Summary

Name PTK2
Full Name Focal adhesion kinase 1
Synonyms FADK 1, Focal adhesion kinase-related nonkinase, FRNK, Protein phosphatase 1 regulatory subunit 71, PPP1R71, Protein-tyrosine kinase 2, p125FAK, pp125FAK | FAK, FAK1
Primary ID Q05397
Links - -
Type protein
Relations 150
Pathways Axon guidance, Integrin Signaling, Tenascin-C in PDAC, VEGF Signaling, YAP/TAZ regulation
Inhibitors PF-03814735; N-methyl-N-[3-[[[2-[(2-oxo-1,3-dihydroindol-5-yl)amino]-5-(trifluoromethyl)-4-pyrimidinyl]amino]methyl]-2-pyridinyl]methanesulfonamide
Function Non-receptor protein-tyrosine kinase that plays an essential role in regulating cell migration, adhesion, spreading, reorganization of the actin cytoskeleton, formation and disassembly of focal adhesions and cell protrusions, cell cycle progression, cell proliferation and apoptosis. Required for early embryonic development and placenta development. Required for embryonic angiogenesis, normal cardiomyocyte migration and proliferation, and normal heart development. Regulates axon growth and neuronal cell migration, axon branching and synapse formation; required for normal development of the nervous system. Plays a role in osteogenesis and differentiation of osteoblasts. Functions in integrin signal transduction, but also in signaling downstream of numerous growth factor receptors, G-protein coupled receptors (GPCR), EPHA2, netrin receptors and LDL receptors. Forms multisubunit signaling complexes with SRC and SRC family members upon activation; this leads to the phosphorylation of additional tyrosine residues, creating binding sites for scaffold proteins, effectors and substrates. Regulates numerous signaling pathways. Promotes activation of phosphatidylinositol 3-kinase and the AKT1 signaling cascade. Promotes activation of MAPK1/ERK2, MAPK3/ERK1 and the MAP kinase signaling cascade. Promotes localized and transient activation of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs), and thereby modulates the activity of Rho family GTPases. Signaling via CAS family members mediates activation of RAC1. Recruits the ubiquitin ligase MDM2 to P53/TP53 in the nucleus, and thereby regulates P53/TP53 activity, P53/TP53 ubiquitination and proteasomal degradation. Phosphorylates SRC; this increases SRC kinase activity. Phosphorylates ACTN1, ARHGEF7, GRB7, RET and WASL. Promotes phosphorylation of PXN and STAT1; most likely PXN and STAT1 are phosphorylated by a SRC family kinase that is recruited to autophosphorylated PTK2/FAK1, rather than by PTK2/FAK1 itself. Promotes phosphorylation of BCAR1; GIT2 and SHC1; this requires both SRC and PTK2/FAK1. Promotes phosphorylation of BMX and PIK3R1. Isoform 6 (FRNK) does not contain a kinase domain and inhibits PTK2/FAK1 phosphorylation and signaling. Its enhanced expression can attenuate the nuclear accumulation of LPXN and limit its ability to enhance serum response factor (SRF)-dependent gene transcription.

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.431
Publications: 6 Organism: Homo Sapiens, In Vitro
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.303
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.273
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates quantity img/direct-activation.png phosphorylation PTK2 0.292
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation ATP2B4 (isoform 6) 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation, binding PXN 0.912
Publications: 3 Organism: Homo Sapiens
Pathways:Integrin Signaling, VEGF Signaling
+ down-regulates img/direct_inhibition.png phosphorylation ACTN1 0.572
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ down-regulates activity img/direct_inhibition.png phosphorylation ACTN1 0.572
Publications: 1 Organism: Chlorocebus Aethiops
Pathways:Axon guidance
+ img/unknown.png phosphorylation CTNNB1 0.399
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation NANOG 0.273
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.594
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.552
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.494
Publications: 8 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.426
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation ACTN4 0.553
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation TRIO 0.509
Publications: 1 Organism: Chlorocebus Aethiops
+ down-regulates img/direct_inhibition.png phosphorylation ACTN4 0.553
Publications: 2 Organism: Homo Sapiens
+ img/unknown.png phosphorylation SH3GL1 0.43
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation ARHGAP42 0.309
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.2
Publications: 8 Organism: Homo Sapiens
Tissue: Kidney
Pathways:Axon guidance, Integrin Signaling, VEGF Signaling
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.73
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.65
Publications: 8 Organism: Homo Sapiens
Pathways:Axon guidance, Integrin Signaling
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.537
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.658
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.82
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.602
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.292
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.344
Publications: 1 Organism: Chlorocebus Aethiops
+ up-regulates activity img/direct-activation.png dephosphorylation PTK2 0.244
Publications: 2 Organism: In Vitro
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.524
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation SRC 0.65
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance, Integrin Signaling
+ down-regulates activity img/direct_inhibition.png phosphorylation CTTN 0.741
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation SHC1 0.671
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.641
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.356
Publications: 2 Organism: In Vitro
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.55
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.728
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.244
Publications: 2 Organism: In Vitro
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.251
Publications: 1 Organism: Homo Sapiens
+ img/unknown.png phosphorylation BCAR1 0.807
Publications: 2
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.265
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation RET 0.641
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.552
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.599
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination PTK2 0.329
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.608
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.254
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation WASL 0.686
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.567
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PLD2 0.32
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.597
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png chemical inhibition PTK2 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.488
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png chemical inhibition PTK2 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.344
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding PIK3R1 0.554
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/indirect_inhibition.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png PTK2 0.55
Publications: 1
+ up-regulates activity img/indirect-activation.png PTK2 0.452
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation RAC1 0.569
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates activity img/indirect-activation.png PTK2 0.55
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.511
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.575
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.584
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.615
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.584
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png binding PTK2 0.572
Publications: 1 Organism: Chlorocebus Aethiops
Pathways:Axon guidance
+ up-regulates activity img/direct-activation.png phosphorylation MYL9 0.285
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.469
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation ARHGEF28 0.454
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.457
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.467
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.563
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GRB2 0.704
Publications: 1
Pathways:Integrin Signaling, VEGF Signaling
+ up-regulates quantity img/direct-activation.png phosphorylation IGF1R 0.534
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation YAP1 0.283
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation ARHGEF12 0.302
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding PTK2 0.72
Publications: 2 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates activity img/indirect-activation.png PTK2 0.573
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png binding TLN1 0.685
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.665
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ down-regulates activity img/indirect_inhibition.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.594
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation PTK2 0.45
Publications: 1 Organism: Rattus Norvegicus
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.324
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.683
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.553
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png PTK2 0.492
Publications: 1 Organism: Mus Musculus
Pathways:VEGF Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.568
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.451
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding PI3K 0.568
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling, VEGF Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.635
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.478
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.537
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.63
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.563
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.708
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png binding PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.705
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.275
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.576
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.559
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.2
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation GSK3B 0.367
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.649
Publications: 1 Organism: Homo Sapiens