prosthetic group

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

Origin:
1895–1900

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World English Dictionary
prosthetic group
 
n
the nonprotein component of a conjugated protein, such as the lipid group in a lipoprotein

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
prosthetic group  
The nonprotein component of a conjugated protein, as the heme group in hemoglobin.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
All enzymes are proteins with a prosthetic group attached.
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