teine molecules (see amino acid).
This often occurs between adjacent
cysteine residues in polypeptides.
The resultant disulphide bridges
(–S–S–) are important in stabilizing
the structure of protein molecules.
cytidine A nucleoside comprising
one cytosine molecule linked to a dribose sugar molecule. The derived
nucleotides, cytidine mono-, di-, and
triphosphate (CMP, CDP, and CTP respectively) participate in various biochemical reactions, notably in
phospholipid synthesis.
cytochrome Any of a group of
proteins, each with an iron-containing *haem group, that form part of
the *electron transport chain in mitochondria and chloroplasts. Electrons are transferred by reversible
changes in the iron atom between
the reduced Fe(II) and oxidized Fe(III)
states.
cytosine A *pyrimidine derivative.
It is one of the principal component
bases of *nucleotides and the nucleic
acids *DNA and *RNA.
cytidine
160
c
0
1
1
0
1
1
1
0
Cytidine
0
0
1
0
Cytosine
CZ See cubic zircona.
CZE Capillary zone electrophoresis. See capillary electrophoresis.
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