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- Table of Contents
Facts about Serine/threonine-protein kinase PLK4.
Phosphorylates 'Ser-151' of FBXW5 during the G1/S transition, leading to inhibit FBXW5 ability to ubiquitinate SASS6. Its central role in centriole replication indicates a possible role in tumorigenesis, centrosome aberrations being frequently observed in tumors.
Human | |
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Gene Name: | PLK4 |
Uniprot: | O00444 |
Entrez: | 10733 |
Belongs to: |
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protein kinase superfamily |
EC 2.7.11.21; PLK-4; polo-like kinase 4 (Drosophila); polo-like kinase 4SAKSTK18serine/threonine kinase 18; Sak; serine/threonine protein kinase SAK; Serine/threonine-protein kinase 18; serine/threonine-protein kinase PLK4; Serine/threonine-protein kinase Sak; Snk akin kinase
Mass (kDA):
108.972 kDA
Human | |
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Location: | 4q28.1 |
Sequence: | 4; NC_000004.12 (127880893..127899224) |
Cytoplasm, cytoskeleton, microtubule organizing center, centrosome, centriole. Nucleus, nucleolus. Cleavage furrow. Component of the deuterosome, a structure that promotes de novo centriole amplification in multiciliated cells that can generate more than 100 centrioles. Associates with centrioles throughout the cell cycle. According to PubMed:16244668, it is not present at cleavage furrows.
PMID: 11489907 by Yamashita Y., et al. Sak serine-threonine kinase acts as an effector of Tec tyrosine kinase.
PMID: 8260651 by Mills G.B., et al. Transmembrane signaling by the interleukin-2 receptor: progress and conundrums.