======= BLK =======


== Gene Information ==
  * **<color #00a2e8>Official Symbol</color>**: BLK
  * **<color #00a2e8>Official Name</color>**: BLK proto-oncogene, Src family tyrosine kinase
  * **<color #00a2e8>Aliases and Previous Symbols</color>**: N/A
  * **<color #00a2e8>Entrez ID</color>**: [[https://www.ncbi.nlm.nih.gov/gene/?term=640|640]]
  * **<color #00a2e8>UniProt</color>**: [[https://www.uniprot.org/uniprot/P51451|P51451]]
  * **<color #00a2e8>Interactions</color>**: [[https://thebiogrid.org/search.php?search=BLK&organism=9606|BioGRID]]
  * **<color #00a2e8>PubMed articles</color>**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20BLK|Open PubMed]]
  * **<color #00a2e8>OMIM</color>**: [[https://omim.org/entry/191305|Open OMIM]]

== Function Summary ==
  * **<color #00a2e8>Entrez Summary</color>**:  This gene encodes a nonreceptor tyrosine-kinase of the src family of proto-oncogenes that are typically involved in cell proliferation and differentiation. The protein has a role in B-cell receptor signaling and B-cell development. The protein also stimulates insulin synthesis and secretion in response to glucose and enhances the expression of several pancreatic beta-cell transcription factors. [provided by RefSeq, Aug 2010]. 
  * **<color #00a2e8>UniProt Summary</color>**:  Non-receptor tyrosine kinase involved in B-lymphocyte development, differentiation and signaling. B-cell receptor (BCR) signaling requires a tight regulation of several protein tyrosine kinases and phosphatases, and associated coreceptors. Binding of antigen to the B-cell antigen receptor (BCR) triggers signaling that ultimately leads to B-cell activation. Signaling through BLK plays an important role in transmitting signals through surface immunoglobulins and supports the pro-B to pre-B transition, as well as the signaling for growth arrest and apoptosis downstream of B-cell receptor. Specifically binds and phosphorylates CD79A at 'Tyr-188'and 'Tyr-199', as well as CD79B at 'Tyr-196' and 'Tyr- 207'. Phosphorylates also the immunoglobulin G receptors FCGR2A, FCGR2B and FCGR2C. With FYN and LYN, plays an essential role in pre-B-cell receptor (pre-BCR)-mediated NF-kappa-B activation. Contributes also to BTK activation by indirectly stimulating BTK intramolecular autophosphorylation. In pancreatic islets, acts as a modulator of beta-cells function through the up-regulation of PDX1 and NKX6-1 and consequent stimulation of insulin secretion in response to glucose. {ECO:0000269|PubMed:19667185, ECO:0000269|PubMed:8756631}.

<button type='primary' size='sm' modal='Pfam_Domains'>Pfam Domains</button>
<button type='primary' size='sm' modal='GO_terms'>GO Terms</button>


<modal id='Pfam_Domains' size='lg' title='Pfam Domains'>
|Pkinase Tyr|
|SH2|
|Pkinase|
|SH3 1|
|SH3 2|
</modal>

<modal id='GO_terms' size='lg' title='GO Terms'>
|regulation of B cell receptor signaling pathway|
|peptidyl-tyrosine autophosphorylation|
|non-membrane spanning protein tyrosine kinase activity|
|extrinsic component of cytoplasmic side of plasma membrane|
|regulation of antigen receptor-mediated signaling pathway|
|positive regulation of insulin secretion|
|protein tyrosine kinase activity|
|positive regulation of peptide hormone secretion|
|B cell receptor signaling pathway|
|positive regulation of hormone secretion|
|peptidyl-tyrosine phosphorylation|
|peptidyl-tyrosine modification|
|regulation of insulin secretion|
|protein autophosphorylation|
|regulation of peptide hormone secretion|
|regulation of hormone secretion|
|positive regulation of protein secretion|
|positive regulation of peptide secretion|
|antigen receptor-mediated signaling pathway|
|signaling receptor binding|
|positive regulation of secretion by cell|
|positive regulation of protein transport|
|positive regulation of secretion|
|immune response-activating cell surface receptor signaling pathway|
|positive regulation of establishment of protein localization|
|regulation of protein secretion|
|immune response-regulating cell surface receptor signaling pathway|
|regulation of peptide secretion|
|transmembrane receptor protein tyrosine kinase signaling pathway|
|regulation of hormone levels|
|immune response-activating signal transduction|
|immune response-regulating signaling pathway|
|activation of immune response|
|regulation of protein transport|
|enzyme linked receptor protein signaling pathway|
|regulation of peptide transport|
|regulation of establishment of protein localization|
|regulation of secretion by cell|
|regulation of secretion|
|positive regulation of immune response|
|peptidyl-amino acid modification|
|protein phosphorylation|
|positive regulation of transport|
|regulation of protein localization|
|positive regulation of immune system process|
|regulation of immune response|
|phosphorylation|
|ATP binding|
|regulation of immune system process|
|intracellular signal transduction|
|positive regulation of cell communication|
|positive regulation of signaling|
|regulation of transport|
</modal>
\\

 === CRISPR Data ===
<button type='default' size='small' modal='Compound_Hit'>Compound Hit</button>
<button type='default' size='small' modal='Most_Correlated_Genes'>Most Correlated Genes in Chemogenomics</button>
<button type='primary' size='small' modal='Essential_Avana'>Tissues where Essential in the Avana Dataset (DepMap 20Q1)</button>

<modal id='Compound_Hit' size='lg' title='Compound Hit'>
No hits were found.
</modal>

<modal id='Most_Correlated_Genes' size='lg' title='Most Correlated Genes in Chemogenomics'>
No correlation found to any other genes in chemogenomics.
</modal>

<modal id='Essential_Avana' size='lg' title='Tissues where Essential in the Avana Dataset (DepMap 20Q1)'>
Global Fraction of Cell Lines Where Essential: 0/739
^Tissue^Fraction Of Cell Lines Where Essential^
|1290807.0|0/1|
|909776.0|0/1|
|bile duct|0/28|
|blood|0/28|
|bone|0/26|
|breast|0/33|
|central nervous system|0/56|
|cervix|0/4|
|colorectal|0/17|
|esophagus|0/13|
|fibroblast|0/1|
|gastric|0/16|
|kidney|0/21|
|liver|0/20|
|lung|0/75|
|lymphocyte|0/16|
|ovary|0/26|
|pancreas|0/24|
|peripheral nervous system|0/16|
|plasma cell|0/15|
|prostate|0/1|
|skin|0/24|
|soft tissue|0/9|
|thyroid|0/2|
|upper aerodigestive|0/22|
|urinary tract|0/29|
|uterus|0/5|
</modal>

== Essentiality in NALM6  ==
    * **<color #00a2e8>Essentiality Rank</color>**: 4129
    * **<color #00a2e8>Expression level (log2 read counts)</color>**: 6.24 
<button type='primary' size='small' modal='Dist_expr'>Expression Distribution</button>
<modal id='Dist_expr' size='lg' title='BLK Expression in NALM6 Cells: 6.24'>
{{:chemogenomics:nalm6 dist.png?nolink |}}
</modal>