PLK1 Antibody – Mouse Monoclonal

The Ser/Thr protein kinase encoded by this gene belongs to the CDC5/Polo subfamily. It is highly expressed during mitosis and elevated levels are found in many different types of cancer. Depletion of this protein in cancer cells dramatically inhibited cell proliferation and induced apoptosis; hence, it is a target for cancer therapy. [provided by RefSeq, Sep 2015]

PLK1: a kinase of the PLK family. Contains a polo-box domain (PBD), a specific phosphoserine or phosphothreonine binding domain. Substrates include BRCA2, Myt1, NudC, Cdc25C, cyclin B1, Nlp and other mitotic proteins. Inhibited by ATR. Plays a role in regulation of cytokinesis and coordinating M-phase events.

Protein type: Protein kinase, Ser/Thr (non-receptor); Protein kinase, Other; EC 2.7.11.21; Kinase, protein; Other group; PLK family

Chromosomal Location of Human Ortholog: 16p12.2

Cellular Component: spindle pole; centrosome; cytosol; kinetochore; nucleoplasm; microtubule cytoskeleton; spindle microtubule; cytoplasm; nucleolus; spindle; spindle midzone; midbody; nucleus

Molecular Function: protein serine/threonine kinase activity; protein binding; microtubule binding; kinase activity; protein kinase binding; ATP binding; protein kinase activity

Biological Process: positive regulation of ubiquitin-protein ligase activity during mitotic cell cycle; positive regulation of proteolysis; regulation of cell cycle; regulation of mitotic cell cycle; mitotic nuclear envelope disassembly; protein ubiquitination; anaphase-promoting complex activation during mitotic cell cycle; cytokinesis; negative regulation of transcription from RNA polymerase II promoter; protein amino acid phosphorylation; response to antibiotic; establishment of protein localization; cytokinesis after mitosis; centrosome organization and biogenesis; anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process; positive regulation of ubiquitin-protein ligase activity; mitotic cell cycle spindle assembly checkpoint; G2/M transition of mitotic cell cycle; mitosis; protein destabilization; mitotic sister chromatid segregation; organelle organization and biogenesis; regulation of mitotic metaphase/anaphase transition; negative regulation of cyclin-dependent protein kinase activity; cell proliferation; peptidyl-serine phosphorylation; regulation of ubiquitin-protein ligase activity during mitotic cell cycle; positive regulation of proteasomal ubiquitin-dependent protein catabolic process; regulation of protein binding; polar body extrusion after meiotic divisions; mitotic cell cycle; G2/M transition DNA damage checkpoint; mitotic metaphase/anaphase transition; microtubule bundle formation; negative regulation of apoptosis