Regulatory Network in Protein Phosphorylation
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Kinase: BRK PTK6 protein tyrosine kinase 6

Group: TK      Family: Src      Subfamily: SRM

Description: PTK6 protein tyrosine kinase 6

Gene Symbol: PTK6

Synonyms: BRK, FLJ42088

UniprotKB/SwissProt: PTK6_HUMAN (Q13882)

Function: Phosphorylates KHDRBS1, KHDRBS2, KHDRBS3 and STAP2/BKS. May function as an intracellular signal transducer in epithelial tissues. Overexpression in mammary cells leads to mitogenically sensitization to EGF, and results in a partially transformed phenotype. Its presence in the nucleus appears to be linked to suppression of tumor progression.

Subcellular Localization: Cytoplasm. Nucleus. Note=Colocalizes with KHDRBS1, KHDRBS2 or KHDRBS3, within the nucleus. In secretory epithelial cells from prostate adenocarcinoma, nuclear localization is higher in low-grade and lower in high-grade regions of the tumors.

Protein Domain:

The substrate proteins of kinase BRK

No.Gene NameUniProtKB IDProtein DescriptionNumber of kinase-specific phosphorylation sitesView
1KHDRBS1KHDR1_HUMANKH domain-containing, RNA-binding, signal transduction-associatedprotein 1 (p21 Ras GTPase-activating protein-associated p62) (GAP-associated tyrosine phosphoprotein p62) (Src-associated in mitosis 68kDa protein) (Sam68) (p68). 3Show
2PXNPAXI_HUMANPaxillin. 2Show
3PTK6PTK6_HUMANTyrosine-protein kinase 6 (EC (Breast tumor kinase)(Tyrosine-protein kinase BRK). 4Show