prosthetic group

noun

, Biochemistry.

1. the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.

prosthetic group

noun

1. the nonprotein component of a conjugated protein, such as the lipid group in a lipoprotein

prosthetic group

1. The nonprotein component of a conjugated protein, as the heme group in hemoglobin.

Word History and Origins

Origin of prosthetic group¹

First recorded in 1895–1900

Example Sentences

Autenrieth, F., Tajkhorshid, E., Baudry, J. & Luthey-Schulten, Z. Classical force field parameters for the heme prosthetic group of cytochrome c.

From Nature

Proteids.—These substances are combinations of one or more albumins with a radical of an essentially different nature, termed by Kossel a ``prosthetic group.''

From Project Gutenberg