DNA夾
DNA夾（英語：，又称滑动压板、滑行夹）是一種蛋白質的三級結構，為DNA複製過程中的持續性-啟動因子（processivity-promoting factor），是DNA聚合酶III全酶的必要組成，可避免DNA聚合酶（DNA polymerase)與DNA模板分離，並提升DNA合成速率。
聚集在一起的人類DNA夾，PCNA蛋白質的三聚體。
參考文獻
- Watson JD, Baker TA, Bell SP, Gann A, Levine M, Losick R. (2004). Molecular Biology of the Gene 5th ed. Benjamin Cummings: Cold Spring Harbor Laboratory Press.
- Gulbis, J.M., Kelman, Z., Hurwitz, J., O`Donnell, M., Kuriyan, J. (1996). Structure of the C-terminal region of p21(WAF1/CIP1) complexed with human PCNA. Cell 87:297-306.
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