Search results
1000 results found for “Chagas”
Name
Description
Product #
Price
Quantity
Shipping Method
- View Data Sheet
Name :
G CSF HumanDescription:
Granulocyte-Colony Stimulating Factor Human Recombinant
CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Lenograstim, G-CSF, MGC45931, GCSF.
Product # :
CYT-220Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- Citations
Description
Granulocyte Colony Stimulating Factor Human Recombinant produced in E.coli is a single, non-glycosylated, polypeptide chain containing 175 amino acids and having a molecular mass of 18.8 KD.GCSF is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
GCSF was lyophilized after extensive dialysis against 10mM sodium acetate buffer pH= 4.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The ED50, calculated by the dose-dependant proliferation of murine NFS-60 indicator cells (measured by 3H-thymidine uptake) is < 0.1 ng/ml, corresponding to a Specific Activity of 100,000,000 IU/mg.Citations
More Info
-
Introduction
GCSF is a cytokine that controls the production, differentiation, and function of granulocytes. The active protein is found extracellularly. Three transcript variants encoding three different isoforms have been found for the GCSF gene. Granulocyte/macrophage colony-stimulating factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. This csf induces granulocytes.
-
Synonyms
CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Lenograstim, G-CSF, MGC45931, GCSF.
-
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
-
Stability
Lyophilized GCSF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
-
Solubility
It is recommended to reconstitute the lyophilized GCSF in sterile 20mM AcOH not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
-
Amino Acid Sequence
The sequence of the first five N-terminal amino acids of GCSF was determined and was found to be Met-Thr-Pro-Leu-Gly.
-
Background
What is the molecular weight/Mw of GDF15 HUMAN, HIS Protein?
GDF15 HUMAN, HIS Protein has a total Mw of 18.8kDa.
What is the source or expression system of GDF15 HUMAN, HIS Protein?
Escherichia Coli.
What is the Purity of GDF15 HUMAN, HIS Protein?
GDF15 HUMAN, HIS Protein is >98% pure as determined by SDS-PAGE.
What is the Biological Activity of GDF15 HUMAN, HIS Protein?
The ED50, calculated by the dose-dependant proliferation of murine NFS-60 indicator cells (measured by 3H-thymidine uptake) is < 0.1 ng/ml, corresponding to a Specific Activity of 100,000,000 IU/mg.
What is the amino acid sequence of GDF15 HUMAN, HIS Protein?
GDF15 HUMAN, HIS Protein is composed from 175 amino acids.
What applications can GDF15 HUMAN, HIS Protein be used in?
GDF15 HUMAN, HIS Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for GDF15 HUMAN, HIS Protein?
The endotoxin level is minimal, GDF15 HUMAN, HIS Protein was purified using conventional chromatography techniques.
-
Protein content
GCSF quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.815 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a calibrated solution of GCSF as a Reference Standard.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
TNFRSF8 MouseDescription:
CD30 Ligand Receptor Mouse Recombinant
Tumor Necrosis Factor Receptor Superfamily, Member 8, Lymphocyte Activation Antigen CD30, CD30L Receptor, Ki-1 Antigen, D1S166E, CD30, Cytokine Receptor CD30, CD30 Antigen, Ki-1
Product # :
CYT-1165Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
TNFRSF8 Mouse Recombinant produced in Baculovirus is a single glycosylated polypeptide chain containing 479 amino acids (19-258 aa) and having a molecular mass of 52.2kDa.TNFRSF8 is fused to a 239 amino acid hIgG-His tag at C-terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
TNFRSF8 protein (1mg/ml) contains 10% glycerol and Phosphate-Buffered Saline (pH 7.4).
Purity
Greater than 90.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
Tumor necrosis factor receptor superfamily member 8 (TNFRSF8) is a receptor for TNFSF8/CD30L. TNFRSF8 has a role in the regulation of cellular growth and transformation of activated lymphoblasts. In addition, the TNFRSF8 protein regulates gene expression via activation of NF-kappa-B. TNFRSF8 being a regulator of apoptosis, induces cell death or proliferation, depending on the cell type.
-
Synonyms
Tumor Necrosis Factor Receptor Superfamily, Member 8, Lymphocyte Activation Antigen CD30, CD30L Receptor, Ki-1 Antigen, D1S166E, CD30, Cytokine Receptor CD30, CD30 Antigen, Ki-1
-
Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
FPTDRPLKTT CAGDLSHYPG EAARNCCYQC PSGLSPTQPC PRGPAHCRKQ CAPDYYVNED GKCTACVTCL PGLVEKAPCS GNSPRICECQ PGMHCCTPAV NSCARCKLHC SGEEVVKSPG TAKKDTICEL PSSGSGPNCS NPGDRKTLTS HATPQAMPTL ESPANDSARS LLPMRVTNLV QEDATELVKV PESSSSKARE PSPDPGNAEK NMTLELPSPG TLPDISTSEN SKEPASTAST LEPKSCDKTH TCPPCPAPEL LGGPSVFLFP PKPKDTLMIS RTPEVTCVVV DVSHEDPEVK FNWYVDGVEV HNAKTKPREE QYNSTYRVVS VLTVLHQDWL NGKEYKCKVS NKALPAPIEK TISKAKGQPR EPQVYTLPPS RDELTKNQVS LTCLVKGFYP SDIAVEWESN GQPENNYKTT PPVLDSDGSF FLYSKLTVDK SRWQQGNVFS CSVMHEALHN HYTQKSLSLS PGKHHHHHH
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
H3N2 PanamaDescription:
H3N2 Influenza-A Virus Panama/2007/99
Product # :
IHA-006Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- formulation
- purity
- More Info
- Citations
Description
Allantoic fluid of 10 days old embryonated eggs, inoculated with influenza A virus, strain A/Panama/2007/99. The Influenza Virus was purified by Ultracentrifugation with 10-40 % sucrose gradient.
Formulation
The H3N2 A/Panama/2007/99 solution contains STE, 0.09% sodium azide (NaN3) and 0.005% thimerosal.
Stir thoroughly prior to its use.Purity
Greater than 90.0% as determined byAnalysis by SDS-PAGE.
Citations
More Info
-
Introduction
H3N2 is a subtype of the influenza A virus. Its name derives from the forms of the two kinds of proteinson the surface of its coat, hemagglutinin(H) and neuraminidase(N). H3N2 exchanges genes for internal proteins with other influenza subtypes. H3N2 has tended to dominate in prevalence over H1N1, H1N2, and influenza B. H3N2 strain descended from H2N2 by antigenic shift, in which genes from multiple subtypes re-assorted to form a new virus. Both the H2N2 and H3N2 strains contained genes from avian influenza viruses.
-
Physical Appearance
Opaque suspension.
-
Stability
A/Panama/2007/99 although stable 4°C for 4 weeks, should be stored below -18°C. Please prevent freeze-thaw cycles.
-
Inactivation
Thimerosal and beta propiolactone treatmentThis product has been treated in a manner consistent with methods of inactivation. Generally accepted good laboratory practices appropriate to microbiological/viral safe handling practices and techniques are required at work.
-
Immunological Activity
Tested with anti-influenza A monoclonal antibodies in ELISA.Serological studies of influenza A virus, immunogen for antibody production.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
CXCL8 Human (1-72)Description:
Interleukin-8 (1-72 a.a.) Human Recombinant (CXCL8)
IL-8, CXCL8, Monocyte-derived neutrophil chemotactic factor, MDNCF, T-cell chemotactic factor, Neutrophil-activating protein 1, NAP-1, Protein 3-10C, Granulocyte chemotactic protein 1, GCP-1, Monocyte-derived neutrophil-activating peptide, MONAP, Emoctakin, K60, NAF, LECT, LUCT, 3-10C, LYNAP, SCYB8, TSG-1, AMCF-I, b-ENAP.
Product # :
CHM-231Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- sds-page
- Citations
Description
Interleukin-8 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 72 amino acids and having a molecular mass of 8452 Dalton. The IL-8 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The IL-8 was lyophilized from a concentrated (1mg/ml) solution in water containing no additives.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
Specific Activity of IL8 in chemotaxis of donor PBL neutrophils, threshold concentration corresponding to 10-100 ng/ml corresponding to a Specific Activity of 10,000-100,000IU/mg.sds-page
Citations
More Info
-
Introduction
Interleukin-8 (IL-8) is a chemokine produced by macrophages and other cell types such as epithelial cells. It is also synthesized by endothelial cells, which store IL-8 in their storage vesicles, the Weibel-Palade bodies. When first encountering an antigen, the primary cells to encounter it are the macrophages who phagocytose the particle. Upon processing, they release chemokines to signal other immune cells to come in to the site of inflammation. IL-8 is one such chemokine. It serves as a chemical signal that attracts neutrophils at the site of inflammation, and therefore is also known as Neutrophil Chemotactic Factor.
-
Synonyms
IL-8, CXCL8, Monocyte-derived neutrophil chemotactic factor, MDNCF, T-cell chemotactic factor, Neutrophil-activating protein 1, NAP-1, Protein 3-10C, Granulocyte chemotactic protein 1, GCP-1, Monocyte-derived neutrophil-activating peptide, MONAP, Emoctakin, K60, NAF, LECT, LUCT, 3-10C, LYNAP, SCYB8, TSG-1, AMCF-I, b-ENAP.
-
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
-
Stability
Lyophilized Interleukin-8 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CXCL8 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
-
Solubility
It is recommended to reconstitute the lyophilized Interleukin-8 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
-
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ser-Ala-Lys-Glu-Leu.
-
Background
What is the molecular weight/Mw of CXCL8 HUMAN (1-72) Protein?
CXCL8 HUMAN (1-72) Protein has a total Mw of 8.45kDa.
What is the source or expression system of CXCL8 HUMAN (1-72) Protein?
Escherichia Coli.
What is the Purity of CXCL8 HUMAN (1-72) Protein?
CXCL8 HUMAN (1-72) Protein is >98% pure as determined by SDS-PAGE.
What is the Biological Activity of CXCL8 HUMAN (1-72) Protein?
Specific Activity of IL8 in chemotaxis of donor PBL neutrophils, threshold concentration corresponding to 10-100 ng/ml corresponding to a Specific Activity of 10,000-100,000IU/mg.
What is the amino acid sequence of CXCL8 HUMAN (1-72) Protein?
The sequence of the first five N-terminal amino acids was determined and was found to be Ser-Ala-Lys-Glu-Leu.
What applications can CXCL8 HUMAN (1-72) Protein be used in?
CXCL8 HUMAN (1-72) Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for CXCL8 HUMAN (1-72) Protein?
The endotoxin level is minimal, CXCL8 HUMAN (1-72) Protein was purified using conventional chromatography techniques.
Who supplies recombinant CXCL8 HUMAN (1-72) that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.
Where can I order bulk mg quantities of CXCL8 HUMAN (1-72)?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
TH MouseDescription:
Tyrosine Hydroxylase Mouse Recombinant
Tyrosine 3-monooxygenase, Tyrosine 3-hydroxylase, TH.
Product # :
ENZ-988Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
TH Mouse Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 507 amino acids (1-498a.a.) and having a molecular mass of 57.0kDa (Molecular size on SDS-PAGE will appear at approximately 50-70kDa). TH is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
TH protein solution (0.25mg/ml) containing Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
Tyrosine 3-monooxygenase (Th), is a rate-limiting enzyme in catecholamine synthesis. Th utilizes tetrahydrobiopterin as well as molecular oxygen to convert tyrosine to DOPA. Th regulates dopamine (DA) neurotransmission at the biosynthesis and reuptake steps. Th takes a vital part in the physiology of adrenergic neurons. Furthermore, Th effects overexpression in lymphocytes on the differentiation as well as function of T helper cells.
-
Synonyms
Tyrosine 3-monooxygenase, Tyrosine 3-hydroxylase, TH.
-
Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
ADPMPTPSAS SPQPKGFRRA VSEQDTKQAE AVTSPRFIGR RQSLIEDARK EREAAAAAAA AAVASAEPGN PLEAVVFEER DGNAVLNLLF SLRGTKPSSL SRALKVFETF EAKIHHLETR PAQRPLAGSP HLEYFVRFEV PSGDLAALLS SVRRVSDDVR SAREDKVPWF PRKVSELDKC HHLVTKFDPD LDLDHPGFSD QAYRQRRKLI AEIAFQYKQG EPIPHVEYTK EEIATWKEVY ATLKGLYATH ACREHLEAFQ LLERYCGYRE DSIPQLEDVS HFLKERTGFQ LRPVAGLLSA RDFLASLAFR VFQCTQYIRH ASSPMHSPEP DCCHELLGHV PMLADRTFAQ FSQDIGLASL GASDEEIEKL STVYWFTVEF GLCKQNGELK AYGAGLLSSY GELLHSLSEE PEVRAFDPDT AAVQPYQDQT YQPVYFVSES FSDAKDKLRN YASRIQRPFS VKFDPYTLAI DVLDSPHTIR RSLEGVQDEL HTLTQALSAI SHHHHHH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HCV NS4 (1916-1947 a.a.)Description:
Hepatitis C Virus NS4 (1916-1947 a.a.) Recombinant
Product # :
HCV-202Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- formulation
- purity
- More Info
- Citations
Description
E.coli derived 30 kDa recombinant protein. Artificial mosaic polypeptide composite constructed from diagnostically relevant antigenic regions derived from the NS4 region.
Formulation
1.5M urea, 25mM Tris-HCl pH-8, 0.2% Triton-X & 50% Glycerol.
Purity
HCV NS4 protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
-
Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to IFN-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to IFN-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS4 although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
-
Applications
HCV NS4 antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
-
Specificity
Immunoreactive with sera of HCV-infected individuals.
-
Purification Method
HCV NS4 protein was purified by proprietary chromatographic technique.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HCV NS5BDescription:
Hepatitis C Virus NS5B Recombinant
Product # :
HCV-269Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- formulation
- purity
- More Info
- Citations
Description
The E.coli derived recombinant protein contains the full length of the NS5B immunodominant regions Genotype 1B and fused to a 6xHis tag at C-Terminus.
Formulation
1.5M urea, 25mM Tris-HCl pH 8.0, 0.2% Triton-X and 50% Glycerol.
Purity
Protein is >95% pure as determined by SDS-PAGE.
Citations
More Info
-
Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS5B although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
-
Applications
HCV NS5B antigen in ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
-
Specificity
Immunoreactive with sera of HCV-infected individuals.
-
Purification Method
HCV NS5B Genotype-1b protein was purified by proprietary chromatographic technique.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
SARS Spike (306-515), Sf9Description:
Coronavirus Spike Receptor Binding Domain (306-515 a.a.)Recombinant, Sf9
Spike glycoprotein, S glycoprotein, Peplomer protein, E2 glycoprotein precursor, Severe acute repiratory Syndrome-related Coronavirus, SARS, SRAS-CoV, SARS-CoV1, E2.
Product # :
SARS-047Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- Citations
Description
SARS Spike produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 219 amino acids (306-515 aa) and having a molecular mass of 24.7kDa.SARS Spike is fused to a 6 amino acid His tag at C-terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
The SARS Spike (306-515) solution (0.5mg/ml) contains Phosphate-Buffered Saline (pH 7.4) and 10% Glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Biological Activity
Measured by its binding ability in a functional ELISA with Human ACE-2 (CAT# enz-1159).
Citations
More Info
-
Introduction
SARS Coronavirus is an enveloped virus containing 3 outer structural proteins, namely the membrane (M), envelope (E), and spike (S) proteins. Spike (S)-glycoprotein of the virus interacts with a cellular receptor and mediates membrane fusion to allow viral entry into susceptible target cells. Accordingly, S-protein takes part in virus infection cycle and is the primary target of neutralizing antibodies.
-
Synonyms
Spike glycoprotein, S glycoprotein, Peplomer protein, E2 glycoprotein precursor, Severe acute repiratory Syndrome-related Coronavirus, SARS, SRAS-CoV, SARS-CoV1, E2.
-
Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
ADPRVVPSGD VVRFPNITNL CPFGEVFNAT KFPSVYAWER KKISNCVADY SVLYNSTFFS TFKCYGVSAT KLNDLCFSNV YADSFVVKGD DVRQIAPGQT GVIADYNYKL PDDFMGCVLA WNTRNIDATS TGNYNYKYRY LRHGKLRPFE RDISNVPFSP DGKPCTPPAL NCYWPLNDYG FYTTTGIGYQ PYRVVVLSFE LLNAPATVCG PKLHHHHHH
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HSV-2 gGDescription:
Herpes Simplex Virus-2 gG Recombinant
Product # :
HSV-223Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- formulation
- purity
- More Info
- Citations
Description
The E.Coli derived recombinant protein contains the HSV-2 gG immunodominant regions, 525-578 amino acids, the total MW is 32,100 Dalton, fused with 26 kDa GST-tag.
Formulation
25mM Tris pH 8, 1.5M Urea and 50% glycerol.
Purity
HSV-2 gG protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
-
Introduction
Entry of HSV into the host cell involves interactions of several viral glycoproteins with cell surface receptors. The virus particle is covered by an envelope which, when bound to specific receptors on the cell surface, will fuse with the cell membrane and create an opening, or pore, through which the virus enters the host cell. The sequential stages of HSV entry are analagous to those of other viruses. At first, complementary receptors on the virus and cell surface bring the two membranes into proximity. In an intermediate state, the two membranes begin to merge, forming a hemifusion state. Finally, a stable entry pore is formed through which the viral envelope contents are introduced to the host cell.
-
Physical Appearance
Sterile Filtered clear solution.
-
Stability
HSV-2 gG protein although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
-
Specificity
Immunoreactive with sera of HSV-infected individuals.
-
Purification Method
HSV-2 gG protein was purified by proprietary chromatographic technique.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HCV Core NS3Description:
Hepatitis C Virus Nucleocapsid (core) NS3 Recombinant
Product # :
HCV-008Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
Recombinant HCV protein produced in E.Coli containing the Core (130 a.a.) and NS3 (236 a.a.) excluding NS4 and NS5 domains having a total Mw of 45kDa and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Sterile filtered solution containing PBS, 1M urea and 25mM Arginine.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Physical Appearance
Sterile filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HCV NS3 Genotype-1bDescription:
Hepatitis C Virus NS3 Genotype-1b Recombinant
Product # :
HCV-204Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- formulation
- purity
- More Info
- Citations
Description
The E.coli derived 26.2 kDa recombinant protein contains the HCV NS3 c33c immunodominant regions. The 252 amino acid protein is fused to 6xHis tag.
Formulation
50mM NaPO4 pH 8.3 and 10mM DTT.
Purity
HCV NS3 Genotype-1b protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
-
Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS3 Genotype-1b although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
-
Amino Acid Sequence
Starts: MRDSDSQTFQ
Ends: DSVIDCNTCVT. -
Applications
HCV NS3 Genotype-1b antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
-
Specificity
Immunoreactive with sera of HCV-infected individuals.
-
Purification Method
Purified by proprietary chromatographic technique.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
HCV NS4 MosaicDescription:
Hepatitis C Virus NS4 Mosaic Recombinant
Product # :
HCV-205Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- formulation
- purity
- More Info
- Citations
Description
The E.Coli derived 66kDa recombinant HCV NS4 Mosaic protein fused to a His tag is an artificial mosaic polypeptide composite constructed from diagnostically relevant antigenic regions derived from the NS4 region of different HCV genotypes.The protein contains region 5-1-1 and region 59 containing sequence 1789 - 1867 aa and sequence 2322 - 2423 aa of the HCV NS4 genotype lb and 10 other diagnostically relevant antigenic regions derived from the NS4 region of different HCV genotypes.
Formulation
8M Urea, 20mM Tris, 10 mM DTT, 1mM EDTA and 0.5 Tween-20, pH-9.
Purity
Protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
-
Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS4 Mosaic although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
-
Applications
Antigen in ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
-
Specificity
Immunoreactive with sera of HCV-infected individuals.
-
Purification Method
Purified by proprietary chromatographic technique.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
MFGE8 MouseDescription:
Milk Fat Globule-EGF Factor 8 Protein Mouse Recombinant
Milk fat globule-EGF factor 8 protein, isoform CRA_a, Putative uncharacterized protein, Mfge8, mCG_6301.
Product # :
CYT-1000Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
MFGE8 Mouse Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 413 amino acids (23-426a.a.) and having a molecular mass of 46kDa (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).MFGE8 is expressed with a 6 amino acid His-tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
MFGE8 protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
Milk fat globule-EGF factor 8 protein (Mfge8) is pleiotropic secreted glycoprotein which promotes mammary gland morphogenesis, angiogenesis, and tumor progression. Mfge8 has also an imperative role in tissue homeostasis and the prevention of inflammation. Mfge8 functions as a bridge between phosphatidylserine on apoptotic cells and Integrin alpha V beta 3 on phagocytes, leading to the clearance of apoptotic debris.
-
Synonyms
Milk fat globule-EGF factor 8 protein, isoform CRA_a, Putative uncharacterized protein, Mfge8, mCG_6301.
-
Physical Appearance
Sterile filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
ADLASGDFCD SSLCLNGGTC LTGQDNDIYC LCPEGFTGLV CNETERGPCS PNPCYNDAKC LVTLDTQRGD IFTEYICQCP VGYSGIHCET GCSTQLGMEG GAIADSQISA SSVYMGFMGL QRWGPELARL YRTGIVNAWT ASNYDSKPWI QVNLLRKMRV SGVMTQGASR AGRAEYLKTF KVAYSLDGRK FEFIQDESGG DKEFLGNLDN NSLKVNMFNP TLEAQYIKLY PVSCHRGCTL RFELLGCELH GCSEPLGLKN NTIPDSQMSA SSSYKTWNLR AFGWYPHLGR LDNQGKINAW TAQSNSAKEW LQVDLGTQRQ VTGIITQGAR DFGHIQYVAS YKVAHSDDGV QWTVYEEQGS SKVFQGNLDN NSHKKNIFEK PFMARYVRVL PVSWHNRITL RLELLGCHHH HHH.
-
Background
An Insight into Milk Fat Globule-EGF Factor 8 Protein (Mouse Recombinant): Characteristics, Applications, and Future Directions
Abstract
The Milk Fat Globule-EGF Factor 8 (MFG-E8) protein, particularly in its mouse recombinant form, has emerged as a pivotal player in multiple physiological processes. This paper aims to elucidate its unique characteristics, delve into current methodologies employed in its study, and chart the trajectory for future research directions.
Introduction
Milk Fat Globule-EGF Factor 8 (MFG-E8) is a glycoprotein known for its vital role in several cellular processes, including cell signaling, apoptosis, and phagocytosis. The recombinant form of MFG-E8 derived from mouse models offers a valuable tool for researchers in deciphering its biological relevance.
Characteristics of MFG-E8 (Mouse Recombinant)
1. Structural Profile: The MFG-E8 protein harbors EGF-like domains, which enable its participation in numerous cellular signaling events.
2. Expression Spectrum: While originally identified in mammary epithelial cells, its expression spectrum extends to macrophages, dendritic cells, and other tissues.
3. Biochemical Activity: It plays a key role in facilitating the phagocytic clearance of apoptotic cells by bridging these cells to phagocytes.
Methodologies Employed in MFG-E8 Research
1. Production of Recombinant MFG-E8: Using bacterial expression systems, such as E. coli, mouse MFG-E8 DNA is introduced, followed by protein purification techniques like gel filtration chromatography.
2. Assays: The phagocytosis assays employing fluorescently tagged apoptotic cells and phagocytes enable researchers to quantify MFG-E8's effectiveness in apoptotic cell clearance.
3. Immunoblotting: Through SDS-PAGE and Western blotting, the expression and purification of MFG-E8 can be monitored and validated.
4. Knockout Models: MFG-E8 knockout mice models help decipher its in vivo significance, especially concerning its immune-regulatory roles.
Original Ideas & Implications
The potential for MFG-E8, particularly in its mouse recombinant form, to serve as a therapeutic agent in autoimmune disorders remains a tantalizing prospect. Considering its role in apoptotic cell clearance, dysregulation in MFG-E8 might be implicated in the etiology of autoimmune disorders. Thus, targeting this protein therapeutically may pave the way for innovative treatments.
Conclusions & Future Directions
While the recombinant MFG-E8 protein has elucidated much about the biological implications of this protein, the horizon is rife with potential. Future research might focus on its therapeutic potential, particularly in autoimmunity and inflammation.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
vMIP-IIDescription:
MIP-2 Viral Recombinant
MIP-2 Viral, Viral MIP-2, MIP2 Viral, Viral MIP2, Viral Macrophage inflammatory Protein-2.
Product # :
CHM-376Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- Citations
Description
MIP-2 Viral Recombinant produced in E.Coli is a single,non-glycosylated, polypeptide chain containing 70 amino acids and having a molecular mass of 7.9 kDa. The MIP-2 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from 1mg/ml solution containing 20mM Phospahte Buffer, pH 7.4 % 0.15M NaCl.
Purity
Greater than 97.0% as determined by RP-HPLC & SDS-PAGE.
Biological Activity
Determined by the inhibitory effect on monocyte migration response to human MIP1A using a concentration range of 1µg-10µg/ml of viral MIP2 which will inhibit 25ng/ml of human MIP1A.Citations
More Info
-
Introduction
Viral MIP-2 is closely related to MIP-1α, show amino acid sequence similarity of about 41%. At the amino acid sequence level, Viral MIP-1 and Viral MIP-2 share 48% similarity. Viral MIP-1 and Viral MIP-2 are more closely linked to one another phylogenetically than to other human chemokines, signifying that they have gene duplication within the virus rather than by two independent gene aquisitions. Viral MIP-2 binds to the CCR3 chemokine receptor through which eotaxin and other β chemokines activate eosinophils. Viral MIP-2 activates and chemoattract human eosinphils.
-
Synonyms
MIP-2 Viral, Viral MIP-2, MIP2 Viral, Viral MIP2, Viral Macrophage inflammatory Protein-2.
-
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
-
Stability
Lyophilized MIP-2 Viral protein although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CXCL2 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
-
Solubility
It is recommended to reconstitute the lyophilized CXCL2 Viral in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
-
Amino Acid Sequence
LGASWHRPDK CCLGYQKRPL PQVLLSSWYP TSQLCSKPGV IFLTKRGRQV
CADKSKDWVK KLMQQLPVTA. -
Background
What is the molecular weight/Mw of VMIP-II Protein?
VMIP-II Protein has a total Mw of 7.9kDa.
What is the source or expression system of VMIP-II Protein?
Escherichia Coli.
What is the Purity of VMIP-II Protein?
VMIP-II Protein is >97% pure as determined by SDS-PAGE.
What is the Biological Activity of VMIP-II Protein?
Determined by the inhibitory effect on monocyte migration response to human MIP1A using a concentration range of 1µg-10µg/ml of viral MIP2 which will inhibit 25ng/ml of human MIP1A.
What is the amino acid sequence of VMIP-II Protein?
LGASWHRPDK CCLGYQKRPL PQVLLSSWYP TSQLCSKPGV IFLTKRGRQV
CADKSKDWVK KLMQQLPVTA.
What applications can VMIP-II Protein be used in?
VMIP-II Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for VMIP-II Protein?
The endotoxin level is minimal, VMIP-II Protein was purified using conventional chromatography techniques.
Who supplies recombinant VMIP-II that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.
Where can I order bulk mg quantities of VMIP-II?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
NAA30 HumanDescription:
N Alpha-Acetyltransferase 30, NatC Catalytic Subunit Human Recombinant
N(Alpha)-Acetyltransferase 30, NatC Catalytic Subunit, C14orf35, NAT12, N-Acetyltransferase 12 (GCN5-Related, Putative), N-Acetyltransferase 12, NatC Catalytic Subunit, MAK3, N-Acetyltransferase MAK3 Homolog, Chromosome 14 Open Reading Frame 35, Mak3p, NAT12P, N-Alpha-Acetyltransferase 30, N-Alpha-Acetyltransferase 30, NatC Catalytic Subunit, Putative N-Acetyltransferase, EC 2.3.1.88.
Product # :
ENZ-720Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
NAA30 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 385 amino acids (1-362 a.a) and having a molecular mass of 41.7kDa.NAA30 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
NAA30 protein solution (0.25mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 10% glycerol and 1mM DTT.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
N-alpha-acetyltransferase 30 (NAA30) is catalytic subunit of the N-terminal acetyltransferase C (NatC) complex. NAA30 catalyzes acetylation of the N-terminal methionine residues of peptides beginning with Met-Leu-Ala and Met-Leu-Gly. In addition, NAA30 is essential for the lysosomal localization and function of ARL8B. The disease Eastern equine encephalitis has been associated with NAA30.
-
Synonyms
N(Alpha)-Acetyltransferase 30, NatC Catalytic Subunit, C14orf35, NAT12, N-Acetyltransferase 12 (GCN5-Related, Putative), N-Acetyltransferase 12, NatC Catalytic Subunit, MAK3, N-Acetyltransferase MAK3 Homolog, Chromosome 14 Open Reading Frame 35, Mak3p, NAT12P, N-Alpha-Acetyltransferase 30, N-Alpha-Acetyltransferase 30, NatC Catalytic Subunit, Putative N-Acetyltransferase, EC 2.3.1.88.
-
Physical Appearance
Sterile Filtered clear solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMAEVPPG PSSLLPPPAP PAPAAVEPRC PFPAGAALAC CSEDEEDDEE HEGGGSRSPA GGESATVAAK GHPCLRCPQP PQEQQQLNGL ISPELRHLRA AASLKSKVLS VAEVAATTAT PDGGPRATAT KGAGVHSGER PPHSLSSNAR TAVPSPVEAA AASDPAAARN GLAEGTEQEE EEEDEQVRLL SSSLTADCSL RSPSGREVEP GEDRTIRYVR YESELQMPDI MRLITKDLSE PYSIYTYRYF IHNWPQLCFL AMVGEECVGA IVCKLDMHKK MFRRGYIAML AVDSKYRRNG IGTNLVKKAI YAMVEGDCDE VVLETEITNK SALKLYENLG FVRDKRLFRY YLNGVDALRL KLWLR
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
NANOGP8 HumanDescription:
Nanog Homeobox Pseudogene 8 Human Recombinant
Nanog Homeobox Pseudogene 8, NANOG, NANOGP1, PN8.
Product # :
PRO-1553Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
NANOGP8 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 305 amino acids (1-305) and having a molecular mass of 34.6kDa.NANOGP8 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The NANOGP8 solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.4M Urea and 5% glycerol.
Purity
Greater than 85% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
NANOGP8 belongs to the homeobox family of DNA binding transcription factors which is known to conserve pluripotency of embryonic stem cells. One change only separate NANOGP8 from NANOG – instead of 'Gln-253' in the inferred amino acid sequence in NANOG there is a ‘His-253’ in NANOGP8.
-
Synonyms
Nanog Homeobox Pseudogene 8, NANOG, NANOGP1, PN8.
-
Physical Appearance
Sterile Filtered clear solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MSVDPACPQS LPCFEASDCK ESSPMPVICG PEENYPSLQM SSAEMPHTET VSPLPSSMDL LIQDSPDSST SPKGKQPTSA ENSVAKKEDK VPVKKQKTRT VFSSTQLCVL NDRFQRQKYL SLQQMQELSN ILNLSYKQVK TWFQNQRMKS KRWQKNNWPK NSNGVTQKAS APTYPSLYSS YHQGCLVNPT GNLPMWSNQT WNNSTWSNQT QNIQSWSNHS WNTQTWCTQS WNNQAWNSPF YNCGEESLQS CMHFQPNSPA SDLEAALEAA GEGLNVIQQT TRYFSTPQTM DLFLNYSMNM QPEDV
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
DGCR6L HumanDescription:
DiGeorge Syndrome Critical Region Gene 6-Like Human Recombinant
Protein DGCR6L, DiGeorge syndrome critical region 6-like protein, DGCR6L.
Product # :
PRO-1454Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
DGCR6L Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 243 amino acids (1-220 a.a) and having a molecular mass of 27.3kDa.DGCR6L is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
DGCR6L protein solution (0.5mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.2M NaCl, 50% glycerol, 1mM DTT and 250mM Imidazole.
Purity
Greater than 85.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
DiGeorge syndrome critical region 6-like protein (DGCR6L) shares homology with the Drosophila gonadal protein, it is expressed in gonadal tissues and germ cells, and with the human laminin gamma-1 chain which functions in cell attachment and migration. DGCR6L is located in a region of chromosome 22 involved in the DiGeorge syndrome, one aspect of a wider collection of anomalies referred to as the CATCH 22 syndrome. Moreover, it is one of two functional genes encoding nearly identical proteins which have analogous expression patterns.
-
Synonyms
Protein DGCR6L, DiGeorge syndrome critical region 6-like protein, DGCR6L.
-
Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMERYAAA LEEVADGARQ QERHYQLLSA LQSLVKELPS SFQQRLSYTT LSDLALALLD GTVFEIVQGL LEIQHLTEKS LYNQRLRLQN EHRVLRQALR QKHQEAQQAC RPHNLPVVQA AQQRELEAVE HRIREEQRAM DQKIILELDR KVADQQSTLE KAGVAGFYVT TNPQELMLQM NLLELIRKLQ QRGCRAGNAA LGLGGPWQSP AAQCDQKGSP VPP.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
NEUROG3 HumanDescription:
Neurogenin 3 Human Recombinant
Neurogenin 3, Class A Basic Helix-Loop-Helix Protein 7, Protein Atonal Homolog 5, BHLHA7, Math4B, NGN3, Atoh5.
Product # :
CYT-811Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
NEUROG3 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 234 amino acids (1-214) and having a molecular mass of 25.1 kDa. NEUROG3 is fused to a 20 amino acid His-tag at N-terminus.
Source
Escherichia Coli.
Formulation
The NEUROG3 solution (0.25mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.4M Urea and 10% glycerol.
Purity
Greater than 85% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
NEUROG3 is a common helix-loop-helix (bHLH) transcription factor which takes part in neurogenesis. NEUROG3 functions as a heterodimer with another bHLH protein. Mutations in this gene can result in congenital malabsorptive diarrhea 4 (DIAR4).
-
Synonyms
Neurogenin 3, Class A Basic Helix-Loop-Helix Protein 7, Protein Atonal Homolog 5, BHLHA7, Math4B, NGN3, Atoh5.
-
Physical Appearance
Sterile Filtered clear solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MTPQPSGAPT VQVTRETERS FPRASEDEVT CPTSAPPSPT RTRGNCAEAE EGGCRGAPRK LRARRGGRSR PKSELALSKQ RRSRRKKAND RERNRMHNLN SALDALRGVL PTFPDDAKLT KIETLRFAHN YIWALTQTLR IADHSLYALE PPAPHCGELG SPGGSPGDWG SLYSPVSQAG SLSPAASLEE RPGLLGATSS ACLSPGSLAF SDFL
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
ENO2 MouseDescription:
Enolase-2 Mouse Recombinant
AI837106, D6Ertd375e, Eno-2, NSE, 2-phospho-D-glycerate hydro-lyase, Enolase 2, Neural enolase, Neuron-specific enolase.
Product # :
ENZ-1028Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- Citations
Description
ENO2 Mouse Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 457 amino acids (1-434) and having a molecular mass of 49.7kDa.ENO2 is fused to a 23 amino acid His-tag at N-terminus& purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The ENO2 solution (1mg/ml) contains Phosphate Buffered Saline (pH7.4) and 10% glycerol.
Purity
Greater than 95% as determined by SDS-PAGE.
Biological Activity
Specific activity is > 10,000 pmol/min/µg, and was obtained by measuring the decrease of NAD in absorbance at 340nm resulting from NADH at pH 6.5 at 37°C.Citations
More Info
-
Introduction
Neuron-specificenolase also caled NSE is a glycolytic isoenzyme which is situated in central and peripheral neurons and neuroendocrine cells. Enolase-2 is released into the CSF when neural tissue is injured. Neoplasms derived from neural or neuroendocrine tissue release Enolase-2 into the blood. Enolase-2 is a useful substance that has been detected in patients with certain tumors, such as neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, pancreatic endocrine tumors, and melanoma. ENO2 is 1 of the 3 enolase isoenzymes found in mammals. ENO2 isoenzyme, is found in mature neurons and cells of neuronal origin. An exchange from alpha enolase to gamma enolase occurs in neural tissue during development in rats and primates.
-
Synonyms
AI837106, D6Ertd375e, Eno-2, NSE, 2-phospho-D-glycerate hydro-lyase, Enolase 2, Neural enolase, Neuron-specific enolase.
-
Physical Appearance
Sterile Filtered clear colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMSIEKIW AREILDSRGN PTVEVDLYTA KGLFRAAVPS GASTGIYEAL ELRDGDKQRY LGKGVLKAVD HINSRIAPAL ISSGISVVEQ EKLDNLMLEL DGTENKSKFG ANAILGVSLA VCKAGAAERD LPLYRHIAQL AGNSDLILPV PAFNVINGGS HAGNKLAMQE FMILPVGAES FRDAMRLGAE VYHTLKGVIK DKYGKDATNV GDEGGFAPNI LENSEALELV KEAIDKAGYT EKMVIGMDVA ASEFYRDGKY DLDFKSPADP SRYITGDQLG ALYQDFVRNY PVVSIEDPFD QDDWAAWSKF TANVGIQIVG DDLTVTNPKR IERAVEEKAC NCLLLKVNQI GSVTEAIQAC KLAQENGWGV MVSHRSGETE DTFIADLVVG LCTGQIKTGA PCRSERLAKY NQLMRIEEEL GDEARFAGHN FRNPSVL.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
FCGR2A HumanDescription:
CD32a Human Recombinant
CD32, CD32A, CDw32, FcGR, IGFR2, MGC23887, MGC30032, Low affinity immunoglobulin gamma Fc region receptor II-a, IgG Fc receptor II-a, Fc-gamma-RIIa, FcRII-a, FCG2, FCGR2A1.
Product # :
PRO-029Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
FCGR2A Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 208 amino acids (34-216 a.a) and having a molecular mass of 23.0kDa. FCGR2A is fused to a 25 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
E.coli.
Formulation
FCGR2A protein solution (0.25mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.1M NaCl, 50% glycerol and 1mM DTT.
Purity
Greater than 90% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
CD32a, also known as FCGR2A, belongs to a family of immunoglobulin Fc receptor genes located on the surface of various immune response cells. FCGR2A which is a cell surface receptor found on phagocytic cells like macrophages and neutrophils, takes part in the process of phagocytosis and clearing of immune complexes. FCGR2A initiates cellular responses against pathogens and soluble antigens by binding to IgG. FCGR2A, which is a low affinity receptor, binds to the Fc region of immunoglobulins gamma.
-
Synonyms
CD32, CD32A, CDw32, FcGR, IGFR2, MGC23887, MGC30032, Low affinity immunoglobulin gamma Fc region receptor II-a, IgG Fc receptor II-a, Fc-gamma-RIIa, FcRII-a, FCG2, FCGR2A1.
-
Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSHMQAAPP KAVLKLEPPW INVLQEDSVT LTCQGARSPE SDSIQWFHNG NLIPTHTQPS YRFKANNNDS GEYTCQTGQT SLSDPVHLTV LSEWLVLQTP HLEFQEGETI MLRCHSWKDK PLVKVTFFQN GKSQKFSRLD PTFSIPQANH SHSGDYHCTG NIGYTLFSSK PVTITVQVPS MGSSSPMG.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
Flagellin FliA (H)Description:
Flagellin FliA (H) Recombinant
Product # :
PRO-2718Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
Flagellin FliA (H) Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 302 amino acids and having a molecular mass of approximately 33.1kDa.The Flagellin FliA (H) is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from a 0.2um filtered concentrated solution in PBS, pH 7.4.
Purity
Greater than 97.0% as determined by SDS-PAGE and HPLC analyses.
Citations
More Info
-
Introduction
Flagellin FliA (H), also known as RNA polymerase sigma factor for flagellar operon, Sigma F and Sigma-28, is a part of the FliA subfamily or sigma-70 factor family. This sigma factor controls the expression of flagella-related genes. Flagellin FliA (H) regulates the expression of genes involved in virulence. Flagellin FliA (H) is an initiation factors which endorses the attachment of RNA polymerase to specific initiation sites and are then released.
-
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
-
Stability
Lyophilized Flagellin FliA (H) although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Flagellin should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
-
Solubility
It is recommended to reconstitute the lyophilized Flagellin FliA (H) in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
-
Amino Acid Sequence
MKGLKTGWIE KSVENIKTAY GIEPTGANKL KVTISDDGAY GVLASVTPKT GEFELHIDSS DFEKGDGESG NNIHGKLYDD RIIQHEMTHA VMNDALGIDK MNDLHDKNKL WFIEGTAEAM AGADERVKDI IGNDTQTGID NTKLSKLATR ADALLNGVSW NSSDEDYAAG YLMVKYIASK GIDLKAVMKE IKNTGASGLD NKIDLTNLKI DFKNNLENYI KDISKVHLDW DDDEKDVGSI LGSDHGHGDI KAEDVVKGTT PEKEQPLDKF KIIWPDDNSD NTTGKIQLQV GANEGQSITI LE
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
POR (43-677) HumanDescription:
P450 Oxidoreductase Human Recombinant
P450 (Cytochrome) Oxidoreductase, EC 1.6.2.4, CYPOR, P450R, CPR, NADPH-Dependent Cytochrome P450 Reductase, NADPH--Cytochrome P450 Reductase, NADPH--cytochrome P450 reductase.
Product # :
ENZ-1186Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- Citations
Description
POR Human Recombinant produced in Sf9 Insect cells is a single, glycosylated, polypeptide chain (43-677 a.a) containing a total of 642 amino acids, having a molecular mass of 73.0 kDa. POR is fused to a 6 amino acid His-tag at C-terminus,and is purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
POR protein solution (0.5mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).
Purity
Greater than 95.0% as determined by SDS-PAGE.
Biological Activity
Specific activity is > 1,500 pmol/min/mg. Defined by the amount of enzyme that reduction of 1 pmole cytochrome-C by NADPH/min. at pH-8 25C.
Citations
More Info
-
Synonyms
P450 (Cytochrome) Oxidoreductase, EC 1.6.2.4, CYPOR, P450R, CPR, NADPH-Dependent Cytochrome P450 Reductase, NADPH--Cytochrome P450 Reductase, NADPH--cytochrome P450 reductase.
-
Physical Appearance
Sterile filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
-
Amino Acid Sequence
MLFRKKKEEV PEFTKIQTLT SSVRESSFVE KMKKTGRNII VFYGSQTGTA EEFANRLSKD AHRYGMRGMS ADPEEYDLAD LSSLPEIDNA LVVFCMATYG EGDPTDNAQD FYDWLQETDV DLSGVKFAVF GLGNKTYEHF NAMGKYVDKR LEQLGAQRIF ELGLGDDDGN LEEDFITWRE QFWPAVCEHF GVEATGEESS IRQYELVVHT DIDAAKVYMG EMGRLKSYEN QKPPFDAKNP FLAAVTTNRK LNQGTERHLM HLELDISDSK IRYESGDHVA VYPANDSALV NQLGKILGAD LDVVMSLNNL DEESNKKHPF PCPTSYRTAL TYYLDITNPP RTNVLYELAQ YASEPSEQEL LRKMASSSGE GKELYLSWVV EARRHILAIL QDCPSLRPPI DHLCELLPRL QARYYSIASS SKVHPNSVHI CAVVVEYETK AGRINKGVAT NWLRAKEPAG ENGGRALVPM FVRKSQFRLP FKATTPVIMV GPGTGVAPFI GFIQERAWLR QQGKEVGETL LYYGCRRSDE DYLYREELAQ FHRDGALTQL NVAFSREQSH KVYVQHLLKQ DREHLWKLIE GGAHIYVCGD ARNMARDVQN TFYDIVAELG AMEHAQAVDY IKKLMTKGRY SLDVWSHHHH HH.
-
Background
P450 Oxidoreductase (POR) is a vital enzyme that plays a crucial role in the electron transfer system, specifically in the cytochrome P450 (CYP) enzyme family. POR acts as an electron donor for various CYP enzymes involved in drug metabolism, steroid biosynthesis, and detoxification processes. This research aims to explore the function, regulation, and significance of POR protein in human cells, shedding light on its role in maintaining cellular homeostasis and drug metabolism.
Function of POR Protein:
POR protein serves as an essential component in the redox reactions of the CYP enzymes. It transfers electrons from NADPH to the CYP enzymes, allowing them to catalyze a wide range of reactions involved in the metabolism of endogenous compounds, drugs, and toxins. Through its electron transfer function, POR enables the activation or inactivation of substrates, contributing to the regulation of cellular processes such as hormone synthesis, drug clearance, and xenobiotic detoxification.
Regulation of POR Protein:
The expression and activity of POR protein are tightly regulated to ensure proper functioning of the CYP enzymes. Several factors influence POR expression, including genetic variations, environmental stimuli, and hormonal signals. Transcriptional regulation of POR involves binding of specific transcription factors to its promoter region. Additionally, post-translational modifications, such as phosphorylation and protein-protein interactions, modulate POR activity, influencing its electron transfer efficiency and interaction with CYP enzymes.
Role of POR Protein in Drug Metabolism:
One of the prominent functions of POR protein is its involvement in drug metabolism. POR collaborates with CYP enzymes in the biotransformation of a wide array of drugs, converting them into more soluble and easily excretable forms. The interplay between POR and CYP enzymes determines the pharmacokinetics and therapeutic efficacy of numerous drugs. Understanding the role of POR in drug metabolism is crucial for predicting drug-drug interactions, optimizing drug dosing, and minimizing the risk of adverse reactions.
Significance of POR Protein in Disease States:
Emerging evidence suggests that POR protein dysregulation can contribute to various disease states. Mutations in the POR gene have been linked to disorders such as Antley-Bixler syndrome and disordered steroidogenesis, highlighting the critical role of POR in development and endocrine function. Moreover, altered POR expression and activity have been implicated in drug resistance and toxicity, as well as in the pathogenesis of certain cancers.
Conclusion:
The investigation of P450 Oxidoreductase (POR) protein in human cells provides valuable insights into its function, regulation, and significance in various physiological and pathological processes. Understanding the interplay between POR and CYP enzymes is essential for deciphering drug metabolism pathways, predicting drug interactions, and developing personalized therapeutic strategies. Further research is warranted to unravel the intricate mechanisms governing POR activity and its potential as a therapeutic target.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
PPID MouseDescription:
Peptidylprolyl Isomerase D Mouse Recombinant
Peptidyl-prolyl cis-trans isomerase D, PPIase D, 40 kDa peptidyl-prolyl cis-trans isomerase, Cyclophilin-40, CYP-40, Cyclophilin-related protein, CYP40, CYPD, PPID, Peptidylprolyl Isomerase D.
Product # :
ENZ-1069Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
- Citations
Description
PPID Mouse Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 395 amino acids (1-370a.a.) and having a molecular mass of 43.4kDa. PPID is fused to a 25 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
PPID protein solution (1mg/ml) containing 20mM Tris-Hcl buffer (pH8.0), 10% glycerol and 1mM DTT.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Biological Activity
Specific activity is > 700nmol/min/mg, and is defined as the amount of enzyme that cleaves 1umole of suc-AAFP-PNA per minute at 37°C in Tris–HCl pH 8.0 using chymotrypsin.
Citations
More Info
-
Introduction
Cyclophilin-D is a member of the peptidyl-prolyl cis-trans isomerase (PPIase) family. PPIases catalyze the cis-trans isomerization of proline imidic peptide bonds in oligopeptides and speeds up the protein folding. Cyclophilin-D possess PPIase activity and binds to the immunosuppressant cyclosporin-A. Cyclophilin-D is very well known that its overexpression suppresses the apoptosis in cancer cell. Cyclophilin-D suppresses apoptotic cell death by the use of mitochondrial hexokinase-2 dependent mechanism in cancer cells.
-
Synonyms
Peptidyl-prolyl cis-trans isomerase D, PPIase D, 40 kDa peptidyl-prolyl cis-trans isomerase, Cyclophilin-40, CYP-40, Cyclophilin-related protein, CYP40, CYPD, PPID, Peptidylprolyl Isomerase D.
-
Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
-
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSEFMSHAS PAAKPSNSKN PRVFFDVDIG GERVGRIVLE LFADIVPKTA ENFRALCTGE KGTGSTTGKP LHFKGCPFHR IIKKFMIQGG DFSNQNGTGG ESIYGEKFED ENFHYKHDRE GLLSMANAGP NTNGSQFFIT TVPTPHLDGK HVVFGQVIKG LGVARTLENV EVNGEKPAKL CVIAECGELK EGDDWGIFPK DGSGDSHPDF PEDADIDLKD VDKILLISED LKNIGNTFFK SQNWEMAIKK YAKVLRYVDS SKAVIEKADR SRLQPIALSC VLNIGACKLK MSNWQGAIDS CLEALEMDPS NTKALYRKAQ GWQGLKEYDQ ALADLKKAQE IAPGDKAIQA ELLKVKQMIK AQKDKEKAVY AKMFA.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
TROVE2 HumanDescription:
TROVE Domain Family Member 2 Human Recombinant
60 kDa SS-A/Ro ribonucleoprotein, 60 kDa ribonucleoprotein Ro, RoRNP, 60 kDa Ro protein, Ro 60 kDa autoantigen, TROVE domain family member 2, Sjoegren syndrome type A antigen, SS-A, Sjoegren syndrome antigen A2, TROVE2, RO60, SSA2, RO-60.
Product # :
PRO-329Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
- Citations
Description
RO-60 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain having a molecular mass of 60kDa. RO60 is fused to a 6 amino acid His-Tag at C-terminus and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The protein solution contains 6M Urea, 500mM NaCl, 500mM imidazole and 10mM Tris pH-6.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Citations
More Info
-
Introduction
Ro 60 kDa autoantigen is an RNA-binding protein that binds to several small cytoplasmic RNA molecules known as Y RNAs. SSA2 may stabilize these RNAs from degradation. Sera taken from patients with Systemic Lupus Erythematosus (SLE) often contains antibodies that react with the normal cellular SSA2 protein as if this antigen was foreign.
-
Synonyms
60 kDa SS-A/Ro ribonucleoprotein, 60 kDa ribonucleoprotein Ro, RoRNP, 60 kDa Ro protein, Ro 60 kDa autoantigen, TROVE domain family member 2, Sjoegren syndrome type A antigen, SS-A, Sjoegren syndrome antigen A2, TROVE2, RO60, SSA2, RO-60.
-
Physical Appearance
Sterile Filtered clear solution.
-
Stability
RO-60 although stable at 4°C for 3 weeks, should be stored below -18°C. Please prevent freeze-thaw cycles.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.