释义 |
cyclin
cy·clin C0834825 (sī′klĭn)n. Any of a class of proteins that fluctuate in concentration at specific points during the cell cycle and that regulate the cycle by binding to a kinase.cyclin (ˈsaɪklɪn) na type of protein in cell nuclei whose concentration changes cyclically throughout the cell cyclecyclin
cyclin[′sī·klin] (cell and molecular biology) Any member of a family of proteins that regulate the cell cycle and whose cellular levels rise steadily until mitosis, then fall abruptly to zero. As cyclins reach a threshold level, they are thought to drive cells into G2 phase and thus toward mitosis. cyclin
cy·clin (sī'klin), A class of proteins involved in regulation of the cell cycle.cyclin (sī′klĭn)n. Any of a class of proteins that fluctuate in concentration at specific points during the cell cycle and that regulate the cycle by binding to a kinase.PCNA A gene on chromosome 20pter-p12 that encodes a homotrimeric nuclear protein that is a cofactor of DNA polymerase delta. PCNA is ubiquinated in response to DNA damage and is involved in RAD6-dependent DNA repair.AcronymsSeeCCN |