prosthetic group
The non-amino acid portion of a conjugated protein. Examples include
cofactors
such as flavines or
cytochromes
as well as
lipids
and
polysaccharides
, which are the prosthetic groups of
lipoproteins
and
glycoproteins
, respectively.
Source:
PAC, 1992,
64
, 143
(Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992))
on page 163