B lymphocyte kinase

BLK
Identifiers
Aliases	BLK, MODY11, BLK proto-oncogene, Src family tyrosine kinase
External IDs	OMIM: 191305 MGI: 88169 HomoloGene: 1297 GeneCards: BLK
Gene location (Human)
Chr.	Chromosome 8 (human)
End	11,564,599 bp
Gene location (Mouse)
Chr.	Chromosome 14 (mouse)
End	63,654,486 bp
RNA expression pattern
	Top expressed in
	spleen; ; lymph node; ; appendix; ; bone marrow cells; ; blood; ; thymus; ; stromal cell of endometrium; ; rectum; ; monocyte; ; right lobe of liver;
	Top expressed in
	spleen; ; blood; ; thymus; ; subcutaneous adipose tissue; ; bone marrow; ; axillary lymph node; ; entorhinal cortex; ; white adipose tissue; ; meninges; ; lung;
	More reference expression data
	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
	640
	12143
	ENSG00000136573; ENSG00000285369
	ENSMUSG00000014453
	P51451
	P16277
	NM_001715; NM_001330465
	NM_007549
	NP_001317394; NP_001706
	NP_031575
	Wikidata
View/Edit Human	View/Edit Mouse

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.^[5]^[6] It is of the Src family of tyrosine kinases.

Interactions

The tyrosine-protein kinase BLK has been shown to interact with UBE3A.^[7]

References

^ ^a ^b ^c ENSG00000285369 GRCh38: Ensembl release 89: ENSG00000136573, ENSG00000285369 – Ensembl, May 2017
^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000014453 – Ensembl, May 2017
^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ Drebin JA, Hartzell SW, Griffin C, Campbell MJ, Niederhuber JE (Mar 1995). "Molecular cloning and chromosomal localization of the human homologue of a B-lymphocyte specific protein tyrosine kinase (blk)". Oncogene. 10 (3): 477–86. PMID 7845672.
^ "Entrez Gene: BLK B lymphoid tyrosine kinase".
^ Oda H, Kumar S, Howley PM (August 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.

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.

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[refGRCh38Ensembl-1] ENSG00000285369 GRCh38: Ensembl release 89: ENSG00000136573, ENSG00000285369 – Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000014453 – Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[pmid7845672-5] Drebin JA, Hartzell SW, Griffin C, Campbell MJ, Niederhuber JE (Mar 1995). "Molecular cloning and chromosomal localization of the human homologue of a B-lymphocyte specific protein tyrosine kinase (blk)". Oncogene. 10 (3): 477–86. PMID 7845672.

[entrez-6] "Entrez Gene: BLK B lymphoid tyrosine kinase".

[pmid10449731-7] Oda H, Kumar S, Howley PM (August 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.

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v t e Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

Interactions

References

Further reading