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Killer cell immunoglobulin-like receptor 2DL5A or KIR2DL5A is part of the killer cell Ig-like receptor (KIR) family. KIR2DL5A is atype I transmembrane glycoprotein. The protein is detected on the cell membrane as a monomer who, once tyrosine is phosphorylated, recruits the Src homology region 2-includes protein tyrosine phosphatase-2. Hence, KIR2DL5A is an inhibitory receptor gathering a combination of genetic, structural, and functional features unique among KIR, suggesting that KIR2DL5A plays a crucial role in innate immunity.

Fumarylacetoacetate hydrolase domain-containing protein 1 (FAHD1) is a member of the FAH family. FAHD1 is considered to have hydrolase activity and it uses Magnesium and Calcium as cofactors. It seems quite likely that the metal binding sites are involved in an enzymatic activity connected to the catabolism of aromatic amino acids.

FANK1 was localized in the nuclei of identical cells in the seminiferous epithelium. Depending on its nuclear localization, a gene ontology analysis proposes that FANK1 has a DNA binding activity therefor operates as a transcription factor. The extremely controlled expression of FANK1, suggests that it takes part in regulating gene expression in the transition from the meiotic phase to the haploid phase throughout spermatogenesis.

Coiled-Coil Domain Containing 90B (CCDC90B) is a member of the CCDC90 family. The CCDC90B protein is distinguished by the presence of a domain of unknown function, DUF1640. The DUF1640 domain is a characteristic of the entire protein with excluding of the first 23 amino acid residues which are a mitochondrial targeting site and the cleaved CCDC90B is expected to be a mitochondrial protein with no transmembrane spans or segments. CCDC90B is predicted to contain at least 3 specific phospohorylation sites.

Thiosulfate Sulfurtransferase Like Domain Containing 3, also known as TSTD3 contains 1 rhodanese domain which is characterized by an active site cysteine residue that has the ability to bind sulfane sulfur and catalyse sulfur transfer.

Coiled-Coil-Helix-Coiled-Coil-Helix Domain Containing 7, also known as CHCHD7 is a newly recognized member of a multifamily of proteins which contains a conserved (coiled coil 1)-(helix 1)-(coiled coil 2)-(helix 2) domain. The biological function of CHCHD7 is unknown and the gene has up till now not been connected with neoplasia. In addition, CHCHD7 & PLAG1 are located head-to-head about 500 bp apart in 8q12. Molecular analyses of twenty seven tumors exposed CHCHD7-PLAG1 fusions in three tumors, two of them had t(6;8) and t(8;15) translocations as a singular anomalies and one a normal karyotype.

Since April 2012, cases of the Middle East Respiratory Syndrome Coronavirus (MERS-CoV) have been identified in various countries. Coronaviruses are the cause of the common cold, SARS (severe acute respiratory syndrome) and other severe illnesses with high mortality rates, all are classified into coronavirus family. MERS-CoV is a new type of SARS found in the coronavirus family causing severe pneumonia with sudden and serious respiratory illness with high mortality rates as well. Since January 27th 2015, the WHO has reported 956 human cases, including 351 deaths. More cases of the new coronavirus strain are expected. Like in other coronaviruses, large surface spike glycoprotein is a central structural protein of this virus; it is located above the virion surface to bind and enter into the target cell. Spike protein has 2 domains- S1 and S2. The S1 domain is responsible for cellular tropism and interaction with target cell, while the S2 domain is responsible for membrane fusion. The C-terminal of S1 domain contains a receptor binding domain, and is also a potential target for vaccine development and an antigen for diagnosis.

Suppressor of Cytokine Signaling 3, also known as SOCS3 belongs to the SOCS family; in addition SOCS3 is a member of the STAT-induced STAT inhibitor (SSI). The SSI family members are cytokine-inducible negative regulators of cytokine signaling. The expression of SOCS3 is induced by different cytokines, including IL6 and IL10. SOCS3 can bind to JAK2 kinase, and inhibit the activity of JAK2 kinase. Studies of the mouse counterpart of SOCS3 have shown the roles of SOCS3 in the negative regulation of fetal liver hematopoiesis, and placental development.

SARS Coronavirus is an enveloped virus containing three 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 plays an important role in virus infection cycle and is the primary target of neutralizing antibodies.

COMM Domain Containing 7 (COMMD7) composed of 200 amino acid which contains 1 COMM domain. COMMD7 interacts (through COMM domain) with COMMD1 via its COMM domain.COMMD7 also associates with the NF-kappa-B complex and suppresses its transcriptional activity. COMMD7 is highly expressed in lung.