polyproline

P3O1L1Y4P3R1O1L1I1N1E1

noun

A sequence of several proline residues in a polypeptide or protein; tends to generate an anomalous left-handed helix conformation

OriginEnglish proline ← German Pyrro ← Ancient Greek πῠρρός (pŭrrhós) →
Scrabble 18
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Meanings

nounpolyproline (countable and uncountable, plural polyprolines)

plural polyprolines

  1. countableuncountablebiochemistryA sequence of several proline residues in a polypeptide or protein; tends to generate an anomalous left-handed helix conformation

Origin

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Ancient Greekπῠρρός (pŭrrhós)
  6. GermanPyrro
  7. Englishpyrrole
  8. Englishpyrrolidine
  9. Englishproline
  10. Englishpolyproline

From poly- + proline.

Full word history & related roots →
Cite this entry
APA

polyproline. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/polyproline

MLA

“polyproline.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polyproline. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “polyproline,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/polyproline.

Source: polyproline on Wiktionary, CC BY-SA 4.0.