What is the function of Cdc20?

CDC20 appears to act as a regulatory protein interacting with many other proteins at multiple points in the cell cycle. It is required for two microtubule-dependent processes: nuclear movement prior to anaphase, and chromosome separation.

Is Cdc20 a proto oncogene?

Consistent with the notion that Cdc20 func- tions as a proto-oncogene, a wealth of genetic and histological evidence including the TCGA datasets unveiled that Cdc20 is highly expressed in many human malignancies, which include breast cancer, ovarian cancer, cervical cancer, lung cancer, and gliomas [2].

What is APC Cdc20?

Cdc20 is a highly conserved activator of the anaphase-promoting complex (APC), promoting cell-cycle-regulated ubiquitination and proteolysis of a number of critical cell-cycle-regulatory targets including securin and mitotic cyclins.

What is the function of CDK1?

UniProtKB/Swiss-Prot Summary for CDK1 Gene Plays a key role in the control of the eukaryotic cell cycle by modulating the centrosome cycle as well as mitotic onset; promotes G2-M transition, and regulates G1 progress and G1-S transition via association with multiple interphase cyclins.

Is Cdc20 a phosphatase?

PP2A comprising B56 regulatory subunit isoforms (PP2AB56) is a serine/threonine phosphatase essential for mitosis. A mitotic phosphorylation site on Cdc20, known to be a substrate of PP2AB56, modulates APC/CCdc20 assembly.

What stage of the cycle is completed by the activity of CDC20?

CDC20 is activated at the metaphase-anaphase transition via bonding with highly phosphorylated APC/C, peaking before CDH1’s dephosphorylation15,17. In other words, CDH1 reacts until the end of mitosis but continues into the G1 phase.

What stage of the cycle is completed by the activity of Cdc20?

How do I activate my Cdk1?

CDK1 is activated by binding to B-type cyclins (mainly cyclin B1), which then phosphorylates substrates critical for entry into mitosis. Destruction of cyclin B1 provides a mechanism to rapidly inactivate CDK1 and allow the cell to exit mitosis (Fung and Poon, 2005). CDK1 is present throughout the cell cycle.

What is the role of securin?

Securin is a 22 kDa protein that is crucial for the stability of the cells’ genome. By preventing premature sister-chromatid separation during mitosis, securin is involved in the regulation of accurate cell cycle progression.

What is the function of the CDC20 gene?

The cell-division cycle protein 20 is an essential regulator of cell division that is encoded by the CDC20 gene in humans. To the best of current knowledge its most important function is to activate the anaphase promoting complex (APC/C), a large 11-13 subunit complex that initiates chromatid separation and entrance into anaphase.

What does cdcdc20 stand for?

CDC20 (Cell Division Cycle 20) is a Protein Coding gene. Among its related pathways are CDK-mediated phosphorylation and removal of Cdc6 and Mitotic Roles of Polo Like Kinases . Gene Ontology (GO) annotations related to this gene include enzyme binding and protein C-terminus binding .

What is cdccdc20-homologue 1 (Cdh1)?

CDC20-homologue 1 (Cdh1) plays a complementary role to CDC20 in cell cycle progression. During the time of APC/C Cdc20 activity, Cdh1 is phosphorylated and cannot bind to the APC/C. After metaphase, however, S/M-Cdks are inactivated by APC/C Cdc20, and Cdh1 can exist in a non-phosphorylated state and bind the APC/C.