Tyrosine-protein kinase BLK

Tyrosine-protein kinase BLK, also known as B lymphocyte kinase, is a non-receptor tyrosine kinase that in humans is encoded by the BLK gene. It is of the Src family of tyrosine kinases.

BLK
Identifiers
Aliases	BLK, MODY11, BLK proto-oncogene, Src family tyrosine kinase
External IDs	OMIM: 191305; MGI: 88169; HomoloGene: 1297; GeneCards: BLK; OMA:BLK - orthologs
Gene location (Human) Chr. Chromosome 8 (human) Band 8p23.1 Start 11,486,894 bp End 11,564,599 bp
Gene location (Mouse) Chr. Chromosome 14 (mouse) Band 14 D1|14 33.25 cM Start 63,610,285 bp End 63,654,486 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in spleen testicle lymph node granulocyte appendix mucosa of transverse colon bone marrow cells blood tonsil stromal cell of endometrium Top expressed in spleen mesenteric lymph nodes blood granulocyte thymus subcutaneous adipose tissue bone marrow Ileal epithelium axillary lymph node tunica adventitia of aorta More reference expression data BioGPS More reference expression data
Gene ontology Molecular function transferase activity nucleotide binding protein kinase activity non-membrane spanning protein tyrosine kinase activity kinase activity protein binding protein tyrosine kinase activity signaling receptor binding ATP binding Cellular component membrane extrinsic component of cytoplasmic side of plasma membrane plasma membrane cytosol Biological process B cell receptor signaling pathway cell differentiation intracellular signal transduction phosphorylation transmembrane receptor protein tyrosine kinase signaling pathway protein phosphorylation regulation of cell population proliferation peptidyl-tyrosine autophosphorylation innate immune response positive regulation of insulin secretion cell migration regulation of B cell receptor signaling pathway peptidyl-tyrosine phosphorylation Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 640 12143 Ensembl ENSG00000136573 ENSG00000285369 ENSMUSG00000014453 UniProt P51451 P16277 RefSeq (mRNA) NM_001715 NM_001330465 NM_007549 RefSeq (protein) NP_001317394 NP_001706 NP_031575 Location (UCSC) Chr 8: 11.49 – 11.56 Mb Chr 14: 63.61 – 63.65 Mb PubMed search
Wikidata
View/Edit Human View/Edit Mouse

Interactions

The tyrosine-protein kinase BLK has been shown to interact with UBE3A.

Further reading

• Dymecki SM, Niederhuber JE, Desiderio SV (1990). "Specific expression of a tyrosine kinase gene, blk, in B lymphoid cells". Science. 247 (4940): 332–6. Bibcode:1990Sci...247..332D. doi:10.1126/science.2404338. PMID 2404338.
• Lin YH, Shin EJ, Campbell MJ, Niederhuber JE (1995). "Transcription of the blk gene in human B lymphocytes is controlled by two promoters". J. Biol. Chem. 270 (43): 25968–75. doi:10.1074/jbc.270.43.25968. PMID 7592787.
• Saouaf SJ, Kut SA, Fargnoli J, et al. (1995). "Reconstitution of the B cell antigen receptor signaling components in COS cells". J. Biol. Chem. 270 (45): 27072–8. doi:10.1074/jbc.270.45.27072. PMID 7592958.
• Islam KB, Rabbani H, Larsson C, et al. (1995). "Molecular cloning, characterization, and chromosomal localization of a human lymphoid tyrosine kinase related to murine Blk". J. Immunol. 154 (3): 1265–72. doi:10.4049/jimmunol.154.3.1265. PMID 7822795. S2CID 10329710.
• Donovan JA, Wange RL, Langdon WY, Samelson LE (1994). "The protein product of the c-cbl protooncogene is the 120-kDa tyrosine-phosphorylated protein in Jurkat cells activated via the T cell antigen receptor". J. Biol. Chem. 269 (37): 22921–4. doi:10.1016/S0021-9258(17)31595-8. PMID 8083187.
• Pleiman CM, Clark MR, Gauen LK, et al. (1993). "Mapping of sites on the Src family protein tyrosine kinases p55blk, p59fyn, and p56lyn which interact with the effector molecules phospholipase C-gamma 2, microtubule-associated protein kinase, GTPase-activating protein, and phosphatidylinositol 3-kinase". Mol. Cell. Biol. 13 (9): 5877–87. doi:10.1128/MCB.13.9.5877. PMC 360336. PMID 8395016.
• Malek SN, Yang CH, Earnshaw WC, et al. (1996). "p150TSP, a conserved nuclear phosphoprotein that contains multiple tetratricopeptide repeats and binds specifically to SH2 domains". J. Biol. Chem. 271 (12): 6952–62. doi:10.1074/jbc.271.12.6952. PMID 8636124.
• Bewarder N, Weinrich V, Budde P, et al. (1996). "In vivo and in vitro specificity of protein tyrosine kinases for immunoglobulin G receptor (FcgammaRII) phosphorylation". Mol. Cell. Biol. 16 (9): 4735–43. doi:10.1128/MCB.16.9.4735. PMC 231474. PMID 8756631.
• Saouaf SJ, Wolven A, Resh MD, Bolen JB (1997). "Palmitylation of Src family tyrosine kinases regulates functional interaction with a B cell substrate". Biochem. Biophys. Res. Commun. 234 (2): 325–9. doi:10.1006/bbrc.1997.6638. PMID 9177269.
• Hegde R, Srinivasula SM, Ahmad M, et al. (1998). "Blk, a BH3-containing mouse protein that interacts with Bcl-2 and Bcl-xL, is a potent death agonist". J. Biol. Chem. 273 (14): 7783–6. doi:10.1074/jbc.273.14.7783. PMID 9525867.
• Oda H, Kumar S, Howley PM (1999). "Regulation of the Src family tyrosine kinase Blk through E6AP-mediated ubiquitination". Proc. Natl. Acad. Sci. U.S.A. 96 (17): 9557–62. Bibcode:1999PNAS...96.9557O. doi:10.1073/pnas.96.17.9557. PMC 22247. PMID 10449731.
• Appel S, Filter M, Reis A, et al. (2002). "Physical and transcriptional map of the critical region for keratolytic winter erythema (KWE) on chromosome 8p22-p23 between D8S550 and D8S1759". Eur. J. Hum. Genet. 10 (1): 17–25. doi:10.1038/sj.ejhg.5200750. PMID 11896452.
• Lee S, Ha S, Chung M, et al. (2003). "Mouse DAM1 regulates pro-apoptotic activity of BLK in mammary epithelial cells". Cancer Lett. 188 (1–2): 121–6. doi:10.1016/S0304-3835(02)00055-1. PMID 12406557.
• 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. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Cho JY, Akbarali Y, Zerbini LF, et al. (2004). "Isoforms of the Ets transcription factor NERF/ELF-2 physically interact with AML1 and mediate opposing effects on AML1-mediated transcription of the B cell-specific blk gene". J. Biol. Chem. 279 (19): 19512–22. doi:10.1074/jbc.M309074200. PMID 14970218.