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 151
Pathways Axon guidance, Integrin Signaling, Tenascin-C in PDAC, VEGF Signaling, YAP/TAZ regulation
Inhibitors N-methyl-N-[3-[[[2-[(2-oxo-1,3-dihydroindol-5-yl)amino]-5-(trifluoromethyl)-4-pyrimidinyl]amino]methyl]-2-pyridinyl]methanesulfonamide; PF-03814735
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 ℹ
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.421
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 0.269
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates quantity img/direct-activation.png phosphorylation PTK2 0.288
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 0.918
Publications: 3 Organism: Homo Sapiens
Pathways:Integrin Signaling, VEGF Signaling
+ down-regulates img/direct_inhibition.png phosphorylation ACTN1 0.589
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ down-regulates activity img/direct_inhibition.png phosphorylation ACTN1 0.589
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 0.606
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.517
Publications: 8 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.566
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.448
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation ACTN4 0.578
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation TRIO 0.526
Publications: 1 Organism: Chlorocebus Aethiops
+ down-regulates img/direct_inhibition.png phosphorylation ACTN4 0.578
Publications: 2 Organism: Homo Sapiens
+ img/unknown.png phosphorylation SH3GL1 0.457
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation ARHGAP42 0.305
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.744
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.288
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.527
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png dephosphorylation PTK2 0.242
Publications: 2 Organism: In Vitro
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.2
Publications: 8 Organism: Homo Sapiens
Tissue: Kidney
Pathways:Axon guidance, Integrin Signaling, VEGF Signaling
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.829
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.661
Publications: 8 Organism: Homo Sapiens
Pathways:Axon guidance, Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.616
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.342
Publications: 1 Organism: Chlorocebus Aethiops
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.664
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.632
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.541
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation SRC 0.661
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance, Integrin Signaling
+ down-regulates activity img/direct_inhibition.png phosphorylation CTTN 0.757
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation SHC1 0.688
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.346
Publications: 2 Organism: In Vitro
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.649
Publications: 3 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.743
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.566
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.242
Publications: 2 Organism: In Vitro
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.248
Publications: 1 Organism: Homo Sapiens
+ img/unknown.png phosphorylation BCAR1 0.82
Publications: 2
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.261
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation RET 0.649
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.568
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.612
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.716
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.638
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.598
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.275
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/direct-activation.png phosphorylation WASL 0.705
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.596
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.568
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.481
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.596
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.593
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PLD2 0.315
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.627
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png PTK2 0.568
Publications: 1
+ up-regulates activity img/direct-activation.png binding TLN1 0.702
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.585
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.695
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation GSK3B 0.357
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png PTK2 0.517
Publications: 1 Organism: Mus Musculus
Pathways:VEGF Signaling
+ down-regulates activity img/direct_inhibition.png binding PTK2 0.589
Publications: 1 Organism: Chlorocebus Aethiops
Pathways:Axon guidance
+ up-regulates activity img/direct-activation.png phosphorylation MYL9 0.284
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination PTK2 0.319
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.497
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 0.608
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation YAP1 0.282
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.634
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.722
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation ARHGEF28 0.481
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation PTK2 0.477
Publications: 1 Organism: Rattus Norvegicus
+ up-regulates activity img/indirect-activation.png PTK2 0.679
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.592
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.324
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.651
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.583
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.619
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 binding PTK2 0.729
Publications: 2 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates activity img/indirect-activation.png PTK2 0.464
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 0.582
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/indirect_inhibition.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.565
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.661
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation RAC1 0.592
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates activity img/direct-activation.png phosphorylation ARHGEF12 0.301
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.588
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.462
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding PIK3R1 0.571
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.2
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/indirect_inhibition.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.529
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates img/direct-activation.png binding PI3K 0.586
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling, VEGF Signaling
+ up-regulates activity img/direct-activation.png binding GRB2 0.718
Publications: 1
Pathways:Integrin Signaling, VEGF Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.572
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png phosphorylation IGF1R 0.549
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.486
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.469
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.505
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.527
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.342
Publications: 1 Organism: Homo Sapiens