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prosthetic group

American  

noun

Biochemistry.

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

prosthetic group British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
prosthetic group Scientific  

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

Etymology

Origin of prosthetic group

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cytochrome proteins have a prosthetic group of heme.

From Textbooks • Jun. 9, 2022

A prosthetic group is a non- protein molecule required for the activity of a protein.

From Textbooks • Jun. 9, 2022

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

From Nature • Apr. 24, 2018

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.