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Motile Sperm Domain Containing 1, also known as MOSPD1 is a protein coding gene which owns one MSP domain.

C-type lectin domain family 4, member E, also known as CLEC4E is a C-type lectin receptor expressed through a wide range of antigens which presents cells including macrophages, neutrophils, dendritic cells as well as B cells; Furthermore, a variety of stimuli including stress are acknowledged to induce the expression of CLEC4E.

Ring Finger & CHY Zinc Finger Domain Containing 1 (RCHY1) acts as an ubiquitin ligase. RCHY1 mediates E3-dependent ubiquitination and proteasomal degradation of target proteins which among them are TP53, HDAC1 and CDKN1B, consequently regulating their levels and cell cycle progression. RCHY1 is also increases AR transcription factor activity.

AN1-type zinc finger protein 1 isoform a (ZFAND1) is a member of the Zinc-finger proteins. Proteins from this family contain DNA-binding domains and have an extensive variety of functions, most of which encompass some form of transcriptional activation or repression. ZFAND1 is a 268 amino acid protein, which contains two AN1-type zinc fingers that are repeatedly found in proteins which contain an ubiquitin-like domain and for that reason have a role in the ubiquitination pathway ZFAND1 is comprised of 6 conserved cysteines and 2 histidines and have a dimetal (zinc)-bound alpha/beta fold. As a result of alternative splicing events two isoforms of ZFAND1 are produced.

Zinc Finger, CCHC Domain Containing 12 (ZCCHC12) which holds 1 CCHC-type zinc finger is a part of the ZCCHC12 family. ZCCHC12 takes part in the bone morphogenetic protein (BMP)-signaling pathway as a transcriptional coactivator. BMP signaling is positively modulated as a result of the interaction between ZCCHC12 with SMAD1 and the association with CBP in the transcription complex.

Enoyl CoA hydratase domain containing 1 (ECHDC1) is a member of the enoyl-CoA hydratase/isomerase family. ECHDC1 is an enzyme which hydrates the double bond between the second and third carbons on acyl-CoA. The ECHDC1 enzyme is crucial to metabolizing fatty acids to supply both acetyl CoA and energy.

MS4A1 is an activated-glycosylated phosphoprotein expressed on the surface of all B-cells. The expression begins at the pro-B phase and until maturity the concentration increases in order to allow optimal B-cell immune response, specifically against T-independent antigens. MS4A1 takes part in the microenvironmental interactions of B cells and also in the regulation of B-cell activation and proliferation. MS4A1 also plays a role as a calcium channel in the cell membrane.

Cell Growth Regulator with EF-Hand Domain 1, also known as CGREF1 is a secreted calcium ion binding protein. CGREF1 includes two EF-hand domains & both EF-hands are essential for function. CGREF1 is most likely digested extracellularly by an unfamiliar serine protease generating extremely hydrophobic bioactive peptides. CGREF1 mediates cell-cell adhesion in a calcium-dependent manner. In addition, CGREF1 is capable to inhibit growth in more than a few cell lines.

TIE-1 (tyrosine kinase with Ig and EGF homology domains 1) and TIE-2/Tek comprise a receptor tyrosine kinase (RTK) subfamily with unique structural characteristics: two immunoglobulin-like domains flanking three epidermal growth factor (EGF)-like domains and followed by three fibronectin type III-like repeats in the extracellular region and a split tyrosine kinase domain in the cytoplasmic region. These receptors are expressed primarily on endothelial and hematopoietic progenitor cells and play critical roles in angiogenesis, vasculogenesis and hematopoiesis. Human TIE-1 cDNA encodes a 1124 amino acid (aa) residue precursor protein with an 18 residue putative signal peptide, a 727 residue extracellular domain and a 354 residue cytoplasmic domain. Whereas two ligands have been described for TIE-2 [angiopoietin-1 (Ang1) and angiopoietin-2 (Ang2)], so far no ligand was found for TIE-1.

Regulation Of Nuclear Pre-MRNA Domain Containing 1A (RPRD1A) is upregulated in cells overexpressing cyclin-dependent kinase inhibitor p15(INK4b) and may have a part in cell cycle regulation. RPRD1A interacts with phosphorylated C-terminal heptapeptide repeat domain (CTD) of the largest RNA polymerase II subunit POLR2A, and partakes in dephosphorylation of the CTD. RPRD1A May function as a negative regulator of cyclin-D1 (CCND1) and cyclin-E (CCNE1) in the cell cycle.

TSC22 domain family protein 3 (TSC22D3) protects T-cells from IL2 deprivation-induced apoptosis through the inhibition of FOXO3A transcriptional activity which initiates the down-regulation of the pro-apoptotic factor BCL2L11. In macrophages, TSC22D3 has a role in the anti-inflammatory and immunosuppressive effects of glucocorticoids and IL10. In T-cells, TSC22D3 hinders anti-CD3-induced NFKB1 nuclear translocation. In vitro, TSC22D3 curbs AP1 and NFKB1 DNA-binding activities.

Fibronectin Type III Domain Containing 5 (Irisin) is a newly discovered hormone, secreted into circulation by muscle, which acts on white adipocytes and promotes WAT “browning”. r-Irisin can reduce body weight and cause induction of brown adipocyte in vivo, including a capacity for thermogenic energy expenditure mediated by uncoupling protein 1 (UCP-1). Irisin mature protein is comprised of 110 amino acid residues and two potential glycosylation sites. High levels of Irisin can be found in the heart whereas Very low expression is found in the colon, pancreas and spleen, if any.

KCTD4 also known as Potassium Channel Tetramerisation Domain Containing 4 has an N-terminal homodimerization domain which contains multiple copies of kelch repeats and C2H2-type zinc fingers. Proteins which include BTB domains are consider being involved in transcriptional regulation through control of chromatin structure and function. In addition, KCTD4 is a 259 amino acid protein which contains one BTB domain, a possible role as a transcriptional regulator may be suggested.

HMGN1 binds to the inner side of the nucleosomal DNA therefore changing the interaction between the DNA and the histone octamer. HMGN1 participates in the development which maintains transcribable genes in an exceptional chromatin conformation. HMGN1 inhibits the phosphorylation of nucleosomal histones H3 and H2A by RPS6KA5/MSK1 and RPS6KA3/RSK2.

EGF Domain-Specific O-Linked N-Acetylglucosamine Transferase (EOGT) takes part in the regulation of Notch receptor. EOGT catalyzes the transfer of a single N-acetylglucosamine from UDP-GlcNAc to a serine/ threonine residue in extracellular proteins resulting in their modification with a beta-linked N-acetylglucosamine (O-GlcNAc). EOGT mainly glycosylates the Thr residue positioned between the fifth and sixth conserved cysteines of folded EGF-like domains.

TATDN3 is a member of the great superfamily of metalloenzymes. TATDN3 binds 2 divalent metal cations per subunit.

Leucine Rich Repeats And Immunoglobulin Like Domains 1 or LRIG1 is a protein, acting as is a pan-negative regulator of EGFR signal transduction. When studied along with ErbB proteins and Met kinase, LRIG1 was found to have regulation activities such as ubiquitination and lysosomal degradation increment of the receptors. Therefore, LRIG1 acts as a suppressor for tumors via cell proliferation control via negative regulation of tyrosine kinase receptors that belongs to the EGF protein family. LRIG1 expression is downregulated in cancer, and acts a prognostic tool for cancer development.

V-Set Domain Containing T Cell Activation Inhibitor 1, also known as VCTN1, is part of the B7 costimulatory protein family. Proteins in this family are located on the surface of antigen-presenting cells and interact with ligand bound to receptors on the surface of T cells. High level of the encoded protein has been associated with tumor progression. VCTN1 also takes part in promoting epithelial cell transformation.

CISD1 protein holds a CDGSH iron-sulfur domain and is known to bind a redox-active [2Fe-2S] cluster. CISD1 is restricted to the outer membrane of mitochondria and takes part in oxidation regulation.

Regulation of nuclear pre-mRNA domain-containing protein 1B (RPRD1B) interacts with phosphorylated C-terminal heptapeptide repeat domain (CTD) of the largest RNA polymerase II subunit POLR2A, and participates in dephosphorylation of the CTD. RPRD1B stimulates binding of RNA polymerase II to the CCDN1 promoter and to the termination region before the poly-A site but decreases its binding after the poly-A site. RPRD1B inhibits RNA polymerase II from reading through the 3' end termination site and may allow it to be drafted back to the promoter through promotion of the formation of a chromatin loop. In addition, RPRD1B enhances the transcription of several other cell cycle-related genes including CDK2, CDK4, CDK6 and cyclin-E but not CDKN1A, CDKN1B or cyclin-A. RPRD1B also promotes cell proliferation.

HECT and RLD Domain Containing E3 Ubiquitin Protein Ligase 5 (HERC5) is a member of the HERC family of ubiquitin ligases, found in a cluster of HERC family genes on chromosome 4. HERC5 is a protein with a HECT domain and 5 RCC1 repeats. The HERC5 protein localizes to the cytoplasm and perinuclear region and serves as an INF-induced E3 protein ligase that mediates ISGylation of protein targets. HERC5 exhibits antiviral activity towards HIV-1, influenza A virus and human papillomavirus. HERC5 is a major E3 ligase for ISG15 conjugation. HERC5 also serves as a positive regulator of innate antiviral response in cells induced by INF. Pro-inflammatory cytokines upregulate HERC5 in endothelial cells. HERC5 is physically connected with polyribosomes, broadly modifies recently synthesized proteins in a cotranslational fashion.

MTHSFD, also known as Methenyltetrahydrofolate Synthetase Domain Containing protein, is linked to Pancreas, Annular and Gastrointestinal Defects. It has also been associated with Immunodeficiency Syndrome. Some of the Gene Ontology annotations that are related to the MTHSFD gene are nucleic acid binding and nucleotide binding.

High Mobility Group Nucleosomal Binding Domain 3 (HMGN3), binds thyroid hormone receptor beta, however it occurs only in the presence of thyroid hormone. Thyroid hormone receptors are hormone-dependent transcription factors which regulate expression of a variety of particular target genes. HMGN3 is considered to reduce the compactness of the chromatin fiber in nucleosomes, in that way enhancing transcription from chromatin templates.

Epidermal Growth Factor­like Domain Multiple 6 (EGFL6) belongs to the EGF repeat superfamily of proteins, whose members are involved in the regulation of cell cycle, proliferation, and developmental processes. EGFL6 gene product contains a signal peptide, suggesting that EGFL6 is secreted; an EGF repeat region consisting of four complete EGF-like repeats and 1 partial EGF-like repeat, 3 of which have a calcium-binding consensus sequence; an arg-gly-asp integrin association motif; and a MAM domain, which is assumed to have an adhesive function. Within shared regions, human EGFL6 shares 75% and 78% amino acid sequence identity with the mouse and rat orthologs, respectively. EGFL6 is expressed in various fetal tissues during early development such as the lung, heart, liver, spleen, cochlea and the placenta, as well as meningioma tumors.