P-site

noun

A binding site for tRNA in the ribosome, activating after the A-site and before the E-site.

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Meanings

nounP-site (plural P-sites)

plural P-sites

  1. biologyA binding site for tRNA in the ribosome, activating after the A-site and before the E-site.

Origin

Abbreviation of peptidyl.

Full word history & related roots →
Cite this entry
APA

P-site. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/P-site

MLA

“P-site.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/P-site. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “P-site,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/P-site.

Source: P-site on Wiktionary, CC BY-SA 4.0.