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PCNA (polymerase delta auxiliary protein) is essential for DNA replication and is involved in DNA excision and mismatch repair pathways. PCNA binds to the CDK inhibitor p21, the structure-specific endonucleases Fen1 and XPG, and DNA cytosine 5-methyltransferase (MCMT). PCNA is a potentially useful marker of cells with proliferative potential and for identifying the proliferation status of tumor tissue (i.e. relevant to prognosis). PCNA is a marker for cells in early G1 phase and S phase of the cell cycle. PCNA is found in the nucleus and is a cofactor of DNA polymerase delta, and acts as a homotrimer and helps increase the processing of leading strand synthesis during DNA replication. In response to DNA damage, PCNA is ubiquitinated and is involved in the RAD6-dependent DNA repair pathway. Two transcript variants encoding the same protein have been found for PCNA. Pseudogenes of PCNA have been described on chromosome 4 and on the X chromosome.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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蛋白别名: CG9193-PA; CG9193-PB; Cyclin; DNA polymerase delta auxiliary protein; HGCN8729; LD45889p; MGC8367; mutagen-sensitive 209; Mutagen-sensitive 209 protein; PCNA; PCNA-PA; PCNA-PB; Proliferating cell nuclear antigen; proliferating-cell nuclear antigen; Proliferating-cell-nuclear-antigen
基因别名: 53/13; ATLD2; CG9193; Dmel\CG9193; Dmel_CG9193; DmPCNA; DmPCNA1; dPCNA; l(2)02448; l(2)56F; l(2)56Fa; l(2)s1534; mus 209; MUS209; PCNA; Pcna/cyclin; PCNA/mus209; PCNA1; PCNAR
UniProt ID: (Fruit fly) P17917, (Human) P12004, (Chicken) Q9DEA3, (Rat) P04961, (Mouse) P17918
Entrez Gene ID: (Fruit fly) 37290, (Human) 5111, (Chicken) 373984, (Rat) 25737, (Mouse) 18538