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产品型号:S0B1741
更新时间:2025-08-06
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Proliferating cell nuclear antigen (PCNA) is a type of DNA clamp that acts as a DNA polymerase in eukaryotic cells δ. The processing factor of is crucial for replication. PCNA is a homologous trimer that achieves its processability by surrounding DNA, where it serves as a scaffold for recruiting proteins involved in DNA replication, DNA repair, chromatin remodeling, and epigenetics. It is expressed in most tumors as a proliferative antigen.