p21 is a cyclin-dependent kinase inhibitor.
P21 or P-21 may also refer to:
Proteins edit
- p21/ras, part of the RAt Sarcoma family of proteins
- Transforming protein p21, encoded by the HRAS gene in humans
Vessels edit
- ARA King (P-21), a minelayer and patrol ship of the Argentine Navy
- HMS Oberon (P21), a submarine of the Royal Navy
- LÉ Emer (P21), a patrol vessel of the Irish Navy
- Maltese patrol boat P21, of the Armed Forces of Malta
Other uses edit
- Curtiss XP-21, an American experimental fighter aircraft
- P21 road (Ukraine)
- Papyrus 21, a biblical manuscript
- Yao language
- Partnership for 21st Century Skills; see 21st century skills
- Prophet 21, Distribution Software for businesses published by Epicor
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.