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ptk2

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Official Full Name
protein tyrosine kinase 2
Background
Focal adhesion kinase subfamily consists of the non-receptor proline-rich protein tyrosine kinases (PTKs). Two members of the family are focal adhesion kinase (FAK) and proline-rich tyrosine kinase 2 (PYK2). These two kinases have molecular mass between 110-125 kDa and are closely related in their structure. The presence<br/>of two proline-rich motifs within the C-terminal domains is conserved. FAK is a nonreceptor and nonmembrane associated PTK which does not contain Src homology 2 (SH2) or SH3 protein interaction domains. The centrally located kinase domain of FAK is flanked by large N- and C-terminal noncatalytic domains. FAK links integrin receptors to intracellular signaling pathways that are important for cell growth, survival, and migration. Integrin receptor engagement with ligands such as fibronectin can stimulate FAK autophosphorylation which enables FAK to function within a network of integrin-stimulated signaling pathways leading to the activation of targets such as the ERK and JNK/mitogen-activated protein kinase pathways. Recent study reveals that FAK is essential for angiogenesis in the embryo, functions in heart development and modulates the response of cardiomyocytes to pressure overload in adult mice.
Synonyms
PTK2; protein tyrosine kinase 2; FAK; FADK; FAK1; FADK 1; FRNK; PPP1R71; pp125FAK; Protein-tyrosine kinase 2; focal adhesion kinase 1; FAK-related non-kinase polypeptide; protein phosphatase 1, regulatory subunit 71; P_001186578.1; EC 2.7.10.2; EC 2.7.10; NP_005598.3; NP_722560.1; OTTHUMP00000226325; OTTHUMP00000226326; OTTHUMP00000226334; OTTHUMP00000226350; OTTHUMP00000226586; OTTHUMP00000226318; OTTHUMP00000226320; PTK2 protein tyrosine kinase 2; protein phosphatase 1; regulatory subunit 71; focal adhesion kinase-related nonkinase; protein phosphatase 1 regulatory subunit 71; p125FAK; p41/p43FRNK