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The p21 (CIP1/WAF1) protein binds to and inhibits the activity of cyclin-CDK2, -CDK1, and -CDK4 /6 complexes, and thus functions as a regulator of cell cycle progression at G 1 and S phase. [12] [13] The binding of p21 to CDK complexes occurs through p21's N-terminal domain, which is homologous to the other CIP/KIP CDK inhibitors p27 and p57. [6]
p21 activated kinases (PAKs) are members of a family of enzymes. [1] They serve as targets for the small GTP binding proteins CDC42 and Rac and have been implicated in a wide range of biological activities. Members include: PAK1, regulating cell motility and morphology [2] PAK2, possibly playing a role in apoptosis [3]
Download as PDF; Printable version; In other projects ... Appearance. move to sidebar hide. p21 is a cyclin-dependent kinase inhibitor. P21 or P-21 may also refer to ...
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Obtaining the full contents of Wikipedia for reuse presents challenges, since direct cloning via a web crawler is discouraged. [W 112] Wikipedia publishes "dumps" of its contents, but these are text-only; as of 2023, there is no dump available of Wikipedia's images. [W 113] Wikimedia Enterprise is a for-profit solution to this. [250]
Susning.nu: a Swedish online wiki started in 2001; anyone-can-edit encyclopedia until 2004; shut down in 2009; Svensk uppslagsbok (2 editions, 31 and 32 volumes, 1929–1955) Svenska uppslagsverk: [15] a comprehensive bibliography maintained by collector Christofer Psilander; Swedish Wikipedia (Svenskspråkiga Wikipedia)
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The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 11 January 2025, the Wikipedia has 101,246 articles and is the 73rd-largest Wikipedia.