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 0.429
Publications: 6 Organism: Homo Sapiens, In Vitro
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.306
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.272
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates quantity img/direct-activation.png phosphorylation PTK2 0.291
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 0.915
Publications: 3 Organism: Homo Sapiens
Pathways:Integrin Signaling, VEGF Signaling
+ down-regulates activity img/direct_inhibition.png phosphorylation ACTN1 0.575
Publications: 1 Organism: Chlorocebus Aethiops
Pathways:Axon guidance
+ down-regulates img/direct_inhibition.png phosphorylation ACTN1 0.575
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ img/unknown.png phosphorylation CTNNB1 0.404
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation NANOG 0.275
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.554
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.595
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.499
Publications: 8 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.43
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation ACTN4 0.561
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation TRIO 0.51
Publications: 1 Organism: Chlorocebus Aethiops
+ down-regulates img/direct_inhibition.png phosphorylation ACTN4 0.561
Publications: 2 Organism: Homo Sapiens
+ img/unknown.png phosphorylation SH3GL1 0.437
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
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.538
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png dephosphorylation PTK2 0.243
Publications: 2 Organism: In Vitro
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.822
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.601
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.347
Publications: 1 Organism: Chlorocebus Aethiops
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.291
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.656
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.649
Publications: 8 Organism: Homo Sapiens
Pathways:Axon guidance, Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.734
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.525
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation SRC 0.649
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance, Integrin Signaling
+ down-regulates activity img/direct_inhibition.png phosphorylation CTTN 0.747
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation SHC1 0.676
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.638
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.352
Publications: 2 Organism: In Vitro
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.25
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.551
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.243
Publications: 2 Organism: In Vitro
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.733
Publications: 1 Organism: Homo Sapiens
+ img/unknown.png phosphorylation BCAR1 0.813
Publications: 2
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.264
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation RET 0.638
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation PTK2 0.553
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 0.596
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.538
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.613
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.571
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding TLN1 0.69
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.706
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.63
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation ARHGEF12 0.304
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.598
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.711
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 0.554
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.277
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation WASL 0.693
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/indirect_inhibition.png PTK2 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation PTK2 0.327
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination PTK2 0.324
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.459
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.559
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.47
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.566
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation GSK3B 0.363
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.65
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png phosphorylation IGF1R 0.536
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.2
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/indirect-activation.png PTK2 0.572
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.453
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.578
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.581
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.638
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.483
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.568
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.605
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.515
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation RAC1 0.576
Publications: 1 Organism: Homo Sapiens
Pathways:Axon guidance
+ up-regulates activity img/indirect-activation.png PTK2 0.454
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation PTK2 0.457
Publications: 1 Organism: Rattus Norvegicus
+ up-regulates activity img/indirect-activation.png PTK2 0.558
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png PTK2 0.499
Publications: 1 Organism: Mus Musculus
Pathways:VEGF Signaling
+ up-regulates img/indirect-activation.png PTK2 0.554
Publications: 1
+ up-regulates img/direct-activation.png binding PI3K 0.571
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling, VEGF Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.667
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/indirect-activation.png PTK2 0.491
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png chemical inhibition PTK2 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding PIK3R1 0.556
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 0.684
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ down-regulates img/direct_inhibition.png dephosphorylation PTK2 0.347
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 0.579
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 ARHGEF28 0.461
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.62
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PLD2 0.319
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 0.285
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png binding GRB2 0.707
Publications: 1
Pathways:Integrin Signaling, VEGF Signaling
+ down-regulates activity img/direct_inhibition.png binding PTK2 0.575
Publications: 1 Organism: Chlorocebus Aethiops
Pathways:Axon guidance
+ up-regulates activity img/indirect-activation.png PTK2 0.585
Publications: 1 Organism: Homo Sapiens
Pathways:Integrin Signaling
+ up-regulates activity img/direct-activation.png phosphorylation MYL9 0.287
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PTK2 0.255
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.585
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png PTK2 0.472
Publications: 1 Organism: Homo Sapiens