CHEBI:15356 - cysteine

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ChEBI Name cysteine
ChEBI ID CHEBI:15356
Definition A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:23508, CHEBI:4050, CHEBI:14061
Supplier Information
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Roles Classification
Chemical Role(s): Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Biological Role(s): fundamental metabolite
Any metabolite produced by all living cells.
Related Structures
cysteine is a Functional Parent of
Se-L-selenocysteine-S-L-cysteine residue
Mass : 251.166
142235 		cysteine derivative
Definition : An amino acid derivative resulting from reaction of cysteine at the amino group, carboxy group, or thiol group, or from the replacement of any hydrogen of cysteine by a heteroatom. The definition normally excludes peptides containing cysteine residues.
 cysteinyl radical
Mass : 120.15128
Formula : C3H6NO2S
32740 		gammaGluCys(IAN)Glu
Mass : 533.55400
Formula : C23H27N5O8S
64978
cysteine has Substituent Group(s)
cysteino group
Mass :120.15128
Formula : C3H6NO2S
32459 		cysteine residue
Mass :103.14394
Formula : C3H5NOS
32460 		cystein-S-yl group
Mass :120.15128
Formula : C3H6NO2S
32795 		cysteinyl group
Mass :104.15188
Formula : C3H6NOS
23511
cysteine is a Structural Derivative of
ammonia
Mass : 17.03056
Formula : H3N
16134
cysteine is a Conjugate Acid of
cysteinate(1-)
Mass : 120.15128
Formula : C3H6NO2S
32456
cysteine is a Conjugate Base of
cysteinium
Mass : 122.16716
Formula : C3H8NO2S
32458
cysteine is a Tautomer of
cysteine zwitterion
Mass : 121.15922
Formula : C3H7NO2S
35237
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