PLK2
UniProt ID: Q9NYY3
Entrez ID: 10769
Protein name: Serine/threonine-protein kinase PLK2 (EC 2.7.11.21) (Polo-like kinase 2) (PLK-2) (hPlk2) (Serine/threonine-protein kinase SNK) (hSNK) (Serum-inducible kinase)
External links: UniprotKB HGNC RefSeq COSMIC
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FUNCTION: Tumor suppressor serine/threonine-protein kinase involved in synaptic plasticity, centriole duplication and G1/S phase transition. Polo-like kinases act by binding and phosphorylating proteins are that already phosphorylated on a specific motif recognized by the POLO box domains. Phosphory...
FUNCTION: Tumor suppressor serine/threonine-protein kinase involved in synaptic plasticity, centriole duplication and G1/S phase transition. Polo-like kinases act by binding and phosphorylating proteins are that already phosphorylated on a specific motif recognized by the POLO box domains. Phosphorylates CENPJ, NPM1, RAPGEF2, RASGRF1, SNCA, SIPA1L1 and SYNGAP1. Plays a key role in synaptic plasticity and memory by regulating the Ras and Rap protein signaling: required for overactivity-dependent spine remodeling by phosphorylating the Ras activator RASGRF1 and the Rap inhibitor SIPA1L1 leading to their degradation by the proteasome. Conversely, phosphorylates the Rap activator RAPGEF2 and the Ras inhibitor SYNGAP1, promoting their activity. Also regulates synaptic plasticity independently of kinase activity, via its interaction with NSF that disrupts the interaction between NSF and the GRIA2 subunit of AMPARs, leading to a rapid rundown of AMPAR-mediated current that occludes long term depression. Required for procentriole formation and centriole duplication by phosphorylating CENPJ and NPM1, respectively. Its induction by p53/TP53 suggests that it may participate in the mitotic checkpoint following stress. {ECO:0000269|PubMed:15242618, ECO:0000269|PubMed:19001868, ECO:0000269|PubMed:20352051, ECO:0000269|PubMed:20531387}.
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GO - Biological processes (BP):
DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest [GO:0006977]; G1/S transition of mitotic cell cycle [GO:0000082]; long-term synaptic depression [GO:0060292]; long-term synaptic potentiation [GO:0060291]; memory [GO:0007613]; mitotic cell cycle [GO:000027...
DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest [GO:0006977]; G1/S transition of mitotic cell cycle [GO:0000082]; long-term synaptic depression [GO:0060292]; long-term synaptic potentiation [GO:0060291]; memory [GO:0007613]; mitotic cell cycle [GO:0000278]; mitotic spindle organization [GO:0007052]; negative regulation of angiogenesis [GO:0016525]; negative regulation of apoptotic process [GO:0043066]; negative regulation of apoptotic process in bone marrow cell [GO:0071866]; negative regulation of cellular senescence [GO:2000773]; negative regulation of inflammatory response to antigenic stimulus [GO:0002862]; peptidyl-serine phosphorylation [GO:0018105]; positive regulation of autophagy [GO:0010508]; positive regulation of cell migration involved in sprouting angiogenesis [GO:0090050]; positive regulation of I-kappaB kinase/NF-kappaB signaling [GO:0043123]; positive regulation of protein catabolic process [GO:0045732]; protein phosphorylation [GO:0006468]; Rap protein signal transduction [GO:0032486]; Ras protein signal transduction [GO:0007265]; regulation of centriole replication [GO:0046599]; regulation of cytokinesis [GO:0032465]; regulation of synaptic plasticity [GO:0048167]
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GO - Molecular function (MF):
ATP binding [GO:0005524]; ATP-dependent protein binding [GO:0043008]; protein serine/threonine/tyrosine kinase activity [GO:0004712]; protein serine/threonine kinase activity [GO:0004674]; protein serine kinase activity [GO:0106310]...
ATP binding [GO:0005524]; ATP-dependent protein binding [GO:0043008]; protein serine/threonine/tyrosine kinase activity [GO:0004712]; protein serine/threonine kinase activity [GO:0004674]; protein serine kinase activity [GO:0106310]
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GO - Cellular component (CC):
centriole [GO:0005814]; centrosome [GO:0005813]; chromatin [GO:0000785]; cytoplasm [GO:0005737]; cytosol [GO:0005829]; dendrite [GO:0030425]; nucleus [GO:0005634]; spindle pole [GO:0000922]...
centriole [GO:0005814]; centrosome [GO:0005813]; chromatin [GO:0000785]; cytoplasm [GO:0005737]; cytosol [GO:0005829]; dendrite [GO:0030425]; nucleus [GO:0005634]; spindle pole [GO:0000922]
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PLK2
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*NOTE: the Kaplan plots were collected from OncoLnc