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Protein vs Polypeptide - What's the difference?

protein | polypeptide |

In biochemistry terms the difference between protein and polypeptide

is that protein is any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds while polypeptide is any such polymer that is not folded into a secondary structure of a protein.

protein

Noun

  • (biochemistry) Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.
  • (nutrition) One of three major classes of food or source of food energy (4 kcal/gram) abundant in animal-derived foods and some vegetables, such as legumes. see carbohydrate and fat for the other two major classes
  • For each dish, select a curry, protein , and spiciness.

    Synonyms

    *

    Meronyms

    * amino acid

    Coordinate terms

    * carbohydrate * fat

    Derived terms

    * green fluorescent protein * proteinic * proteinous

    References

    polypeptide

    English

    Noun

    (en noun)
  • (organic chemistry) Any polymer of (same or different) amino acids joined via peptide bonds.
  • (biochemistry) Any such polymer that is not folded into a secondary structure of a protein.
  • (protein) A small protein containing up to 100 amino acids; see also oligopeptide.
  • See also

    * actinomycin * angiotensin * peptide * proinsulin * secretin