Definitions for: Protein

[n] any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"

Webster (1913) Definition: Pro"te*in, n. (Physiol. Chem.)
In chemical analysis, the total nitrogenous material in
vegetable or animal substances, obtained by multiplying the
total nitrogen found by a factor, usually 6.25, assuming most
proteids to contain approximately 16 per cent of nitrogen.

Pro"te*in, n. [Gr. prw^tos first: cf. prwtei^on the
first place.] (Physiol. Chem.)
A body now known as alkali albumin, but originally considered
to be the basis of all albuminous substances, whence its
name.

Protein crystal. (Bot.) See Crystalloid, n., 2.

See Also: actomyosin, aleurone, amino acid, aminoalkanoic acid, amyloid, apoenzyme, capsid, compound protein, conjugated protein, cytokine, egg, eggs, enzyme, ferritin, fibrin, gluten, growth factor, hatoglobin, iodinated protein, iodoprotein, legume, macromolecule, meat, milk, nucleoprotein, opsin, phosphoprotein, plasma protein, polypeptide, prostate specific antigen, proteome, PSA, simple protein, supermolecule

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