L-proline (P)

Side chain polarity Reset
Display the imino group as Ball & Stick. Instead of a primary amino group, Pro has a secondary amino group; Pro is sometimes called an imino acid.
Compare the saturated five-membered ring of Pro to the side chain imidazole ring of His.

Some facts on L-proline.

  1. Abbreviation: Pro.
  2. One-letter code: P.
  3. Molecular mass: 115 daltons.
  4. Side chain (or R-group) features:
Return to image of Pro.