Rabbit Polyclonal Phospho-PYK2 (Y580) antibody (STJ90770)


Reactivity: Human, Mouse, Rat
Applications: WB, IHC, ELISA
Conjugation: Unconjugated
Supplier: St John’s Laboratory Ltd.

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Rabbit Polyclonal Phospho-PYK2 (Y580) antibody (STJ90770)

Supplier: St John’s Laboratory Ltd.

Recommended applications: WB, IHC, ELISA

Recommended dilution: WB 1:500-1:2000; IHC 1:100-1:300; ELISA 1:40000;

Recommended protocols: check protocols

Image descriptions:

Click or hover above images to see image description for PYK2 (phospho Tyr580) Polyclonal Antibody.

Alternative names:

Check alternative names for the antibody


PTK2B antibody, FAK2 antibody, PYK2 antibody, RAFTK antibody,|CADTK antibody||Anti-PYK2 antibody [YE353] (ab32571)
SCBT cat No: sc-293142|sc-81512|sc-101790|sc-11767|sc-16822|sc-16824|sc-16823|sc-16825|sc-374260|sc-26054|sc-32910|sc-376039|sc-26052|sc-241639|sc-130071|sc-398898|



PYK2 (phospho Tyr580) Polyclonal Antibody

Catalogue No.



Human, Mouse, Rat


Phospho-PYK2 (Y580) Polyclonal Antibody detects endogenous levels of PYK2 protein only when phosphorylated at Y580.


Synthesized phospho-peptide derived from PYK2 (phospho Tyr580) at AA range 520-600





Recommended dilution

WB 1:500-1:2000; IHC 1:100-1:300; ELISA 1:40000;







Molecular weight

130 kDa


PYK2 (phospho Tyr580) Antibody was tube-contained. Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.


1 mg/ml


PYK2 (phospho Tyr580) Antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.


-20 Celsius degree. Avoid repeated freeze/thaw cycles.

Alternative antibody names

Protein-tyrosine kinase 2-beta antibody, Calcium-dependent tyrosine kinase antibody, CADTK antibody, Calcium-regulated non-receptor proline-rich tyrosine kinase antibody, Cell adhesion kinase beta antibody, CAK-beta antibody, CAKB antibody, Focal adhesion kinase 2 antibody, FADK 2 antibody, Proline-rich tyrosine kinase 2 antibody, Related adhesion focal tyrosine kinase antibody, RAFTK antibody

Database links

Human UniProt/Swiss-Prot:Q14289;Mouse UniPort/Swiss-Prot: Q9QVP9;Rat UniProt/Swiss-Port: P70600;Human Entrez Gene: 2185;Mouse Entrez Gene: 19229;Rat Entrez Gene: Rn.11025

Protein names

Protein-tyrosine kinase 2-beta , Calcium-dependent tyrosine kinase , CADTK , Calcium-regulated non-receptor proline-rich tyrosine kinase , Cell adhesion kinase beta , CAK-beta , CAKB , Focal adhesion kinase 2 , FADK 2 , Proline-rich tyrosine kinase 2 , Related adhesion focal tyrosine kinase , RAFTK

Protein function

Non-receptor protein-tyrosine kinase that regulates reorganization of the actin cytoskeleton, cell polarization, cell migration, adhesion, spreading and bone remodeling. Plays a role in the regulation of the humoral immune response, and is required for normal levels of marginal B-cells in the spleen and normal migration of splenic B-cells. Required for normal macrophage polarization and migration towards sites of inflammation. Regulates cytoskeleton rearrangement and cell spreading in T-cells, and contributes to the regulation of T-cell responses. Promotes osteoclastic bone resorption; this requires both PTK2B/PYK2 and SRC. May inhibit differentiation and activity of osteoprogenitor cells. Functions in signaling downstream of integrin and collagen receptors, immune receptors, G-protein coupled receptors (GPCR), cytokine, chemokine and growth factor receptors, and mediates responses to cellular stress. 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 of the AKT1 signaling cascade. Promotes activation of NOS3. Regulates production of the cellular messenger cGMP. Promotes activation of the MAP kinase signaling cascade, including activation of MAPK1/ERK2, MAPK3/ERK1 and MAPK8/JNK1. Promotes activation of Rho family GTPases, such as RHOA and RAC1. Recruits the ubiquitin ligase MDM2 to P53/TP53 in the nucleus, and thereby regulates P53/TP53 activity, P53/TP53 ubiquitination and proteasomal degradation. Acts as a scaffold, binding to both PDPK1 and SRC, thereby allowing SRC to phosphorylate PDPK1 at ‘Tyr-9, ‘Tyr-373’, and ‘Tyr-376’. Promotes phosphorylation of NMDA receptors by SRC family members, and thereby contributes to the regulation of NMDA receptor ion channel activity and intracellular Ca2+ levels. May also regulate potassium ion transport by phosphorylation of potassium channel subunits. Phosphorylates SRC; this increases SRC kinase activity. Phosphorylates ASAP1, NPHP1, KCNA2 and SHC1. Promotes phosphorylation of ASAP2, RHOU and PXN; this requires both SRC and PTK2/PYK2. / ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate. / Activated in response to stimuli that lead to increased intracellular Ca2+ levels; this activation is indirect and may be mediated by calcium-mediated production of reactive oxygen species (ROS). Activated by autophosphorylation at Tyr-402; this creates a binding site for SRC family kinases and leads to phosphorylation at additional tyrosine residues. Phosphorylation at Tyr-402, Tyr-579 and Tyr-580 is required for optimal kinase activity. Inhibited by PF-562,271, BIRB796, PF-4618433 and by PF-431396, PF-2318841 and their derivatives. Inhibited by sulfoximine-substituted trifluoromethylpyrimidines. Inhibited by 4-amino and 5-aryl substituted pyridinone compounds.

Protein tissue specificity

Most abundant in the brain, with highest levels in amygdala and hippocampus. Low levels in kidney (at protein level). Also expressed in spleen and lymphocytes.

Involvement in disease

Note: Aberrant PTK2B/PYK2 expression may play a role in cancer cell proliferation, migration and invasion, in tumor formation and metastasis. Elevated PTK2B/PYK2 expression is seen in gliomas, hepatocellular carcinoma, lung cancer and breast cancer.

Protein sequence and domain

Belongs to the protein kinase superfamily. Tyr protein kinase family. FAK subfamily. / Contains 1 FERM domain. / Contains 1 protein kinase domain.

Protein post-translational modifications

Phosphorylated on tyrosine residues in response to various stimuli that elevate the intracellular calcium concentration; this activation is indirect and may be mediated by production of reactive oxygen species (ROS). Tyr-402 is the major autophosphorylation site, but other kinases can also phosphorylate Tyr-402. Autophosphorylation occurs in trans, i.e. one subunit of the dimeric receptor phosphorylates tyrosine residues on the other subunit. Phosphorylation at Tyr-402 promotes interaction with SRC and SRC family members, leading to phosphorylation at Tyr-579; Tyr-580 and Tyr-881. Phosphorylation at Tyr-881 is important for interaction with GRB2. Phosphorylated on tyrosine residues upon activation of FGR and PKC. Recruitment by NPHP1 to cell matrix adhesions initiates Tyr-402 phosphorylation. In monocytes, adherence to substrata is required for tyrosine phosphorylation and kinase activation. Angiotensin II, thapsigargin and L-alpha-lysophosphatidic acid (LPA) also induce autophosphorylation and increase kinase activity. Phosphorylation by MYLK promotes ITGB2 activation and is thus essential to trigger neutrophil transmigration during lung injury. Dephosphorylated by PTPN12.

Protein cellular localization

Cytoplasm / Cytoplasm > perinuclear region / Cell membrane; Peripheral membrane protein; Cytoplasmic side / Cell junction > focal adhesion / Cell projection > lamellipodium / Cytoplasm > cell cortex / Nucleus

Research area

All research areas>Kinases and Phosphatases>PYK2
(View all antibody categories related to Kinases and Phosphatases)


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St John’s Laboratory Ltd.

Product type

Primary antibody


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