SDK2
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- For the Japanese game, see Super Donkey Kong 2
Protein sidekick-2 is a protein that in humans is encoded by the SDK2 gene.[1][2][3]
The protein encoded by this gene is a member of the immunoglobulin superfamily. The protein contains two immunoglobulin domains and thirteen fibronectin type III domains. Fibronectin type III domains are present in both extracellular and intracellular proteins and tandem repeats are known to contain binding sites for DNA, heparin and the cell surface. This protein, and a homologous mouse sequence, are very similar to the Drosophila sidekick gene product but the specific function of this superfamily member is not yet known. Evidence for alternative splicing at this gene locus has been observed but the full-length nature of additional variants has not yet been determined.[3]
References
Further reading
- Zody MC, Garber M, Adams DJ, et al. (2006). "DNA sequence of human chromosome 17 and analysis of rearrangement in the human lineage". Nature 440 (7087): 1045–9. doi:10.1038/nature04689. PMC 2610434. PMID 16625196. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=2610434.
- Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=528928.
- Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=139241.
- Nagase T, Kikuno R, Ishikawa K, et al. (2000). "Prediction of the coding sequences of unidentified human genes. XVII. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro". DNA Res. 7 (2): 143–50. doi:10.1093/dnares/7.2.143. PMID 10819331.
- Nguyen DN, Liu Y, Litsky ML, Reinke R (1997). "The sidekick gene, a member of the immunoglobulin superfamily, is required for pattern formation in the Drosophila eye". Development 124 (17): 3303–12. PMID 9310325.
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PDB gallery
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1wf5: Solution structure of the first Fn3 domain of Sidekick-2 protein
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1wfn: The fourth FN3 domain of human sidekick-2
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1wfo: The eighth FN3 domain of human sidekick-2
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1wis: Solution structure of the fifth FNIII domain from human KIAA1514 protein
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