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| http://purl.uniprot.org/citations/25483135 | http://www.w3.org/2000/01/rdf-schema#comment | "ABSTRACT Cell cycle checkpoints prevent mitosis from occurring before DNA replication and repair are completed during S and G2 phases. The checkpoint mechanism involves inhibitory phosphorylation of Cdk1, a conserved kinase that regulates the onset of mitosis. Metazoans have two distinct Cdk1 inhibitory kinases with specialized developmental functions: Wee1 and Myt1. Ayeni et al used transgenic Cdk1 phospho-acceptor mutants to analyze how the distinct biochemical properties of these kinases affected their functions. They concluded from their results that phosphorylation of Cdk1 on Y15 was necessary and sufficient for G2/M checkpoint arrest in imaginal wing discs, whereas phosphorylation on T14 promoted chromosome stability by a different mechanism. A curious relationship was also noted between Y15 inhibitory phosphorylation and T161 activating phosphorylation. These unexpected complexities in Cdk1 inhibitory phosphorylation demonstrate that the checkpoint mechanism is not a simple binary "off/on" switch, but has at least three distinct states: "Ready", to prevent chromosome damage and apoptosis, "Set", for developmentally regulated G2 phase arrest, and "Go", when Cdc25 phosphatases remove inhibitory phosphates to trigger Cdk1 activation at the G2/M transition."xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.org/dc/terms/identifier | "doi:10.4161/19336934.2014.969147"xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/author | "Campbell S.D."xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/author | "Ayeni J.O."xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/date | "2014"xsd:gYear |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/name | "Fly (Austin)"xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/pages | "140-147"xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/title | ""Ready, set, go": checkpoint regulation by Cdk1 inhibitory phosphorylation."xsd:string |
| http://purl.uniprot.org/citations/25483135 | http://purl.uniprot.org/core/volume | "8"xsd:string |
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