CHEBI:17561 - L-cysteine

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name L-cysteine
ChEBI ID CHEBI:17561
ChEBI ASCII Name L-cysteine
Definition An optically active form of cysteine having L-configuration.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:13095, CHEBI:41700, CHEBI:41811, CHEBI:41768, CHEBI:41781, CHEBI:41227, CHEBI:6207, CHEBI:21261
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): human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
EC 4.3.1.3 (histidine ammonia-lyase) inhibitor
An EC 4.3.1.* (ammonia-lyase) inhibitor that interferes with the action of histidine ammonia-lyase (EC 4.3.1.3).
flour treatment agent
A food additive which is added to flour or dough to improve baking quality and/or colour.
fundamental metabolite
Any metabolite produced by all living cells.
(via cysteine )
Application(s): flour treatment agent
A food additive which is added to flour or dough to improve baking quality and/or colour.
Related Structures
L-cysteine is a Functional Parent of
Arg-Lys-Cys-Gly
Mass: 462.56700
Formula: C17H34N8O5S
73401
Arg-Phe-Phe-Cys
Mass: 571.69200
Formula: C27H37N7O5S
73402
Arg-Thr-Cys-Cys
Mass: 481.59100
Formula: C16H31N7O6S2
73404
Asn-Trp-Cys-His
Mass: 558.61000
Formula: C24H30N8O6S
73415
Gln-Cys-Cys
Mass: 352.420
Formula: C11H20N4O5S2
144458
N(alpha)-(L-gamma-glutamyl)-hercynyl-L-cysteine sulfoxide
Mass: 461.49000
Formula: C17H27N5O8S
83290
L-cysteine derivative
Definition: A proteinogenic amino acid derivative resulting from the formal reaction of L-cysteine at the amino group, carboxy group, or thiol group, or from the replacement of any hydrogen of L-cysteine by a heteroatom.
Leu-Cys
Mass: 234.31600
Formula: C9H18N2O3S
73582
Phe-Asp-Cys
Mass: 383.41900
Formula: C16H21N3O6S
73629
Pro-Cys
Mass: 218.270
Formula: C8H14N2O3S
157881
Tyr-Cys
Mass: 284.330
Formula: C12H16N2O4S
157903
Ala-Cys
Mass: 192.230
Formula: C6H12N2O3S
157787
Cys-Arg
Mass: 277.340
Formula: C9H19N5O3S
157802
Asp-Met-Met-Cys
Mass: 498.630
Formula: C17H30N4O7S3
176848
Glu-Cys
Mass: 250.270
Formula: C8H14N2O5S
156047
DON-10-S-cysteine
Mass: 417.470
149447
benzylpenicilloyl-cysteine
Mass: 455.54800
Formula: C19H25N3O6S2
60178
DON-13-S-cysteine
Mass: 419.490
149448
Ala-Cys-Gly
Mass: 249.28700
Formula: C8H15N3O4S
73345
Cys-Met-Phe-His
Mass: 536.670
Formula: C23H32N6O5S2
138508
Cys-Met-Gln
Mass: 380.480
Formula: C13H24N4O5S2
144427
Cys-Cys
Mass: 224.303
Formula: C6H12N2O3S2
131608
L-cysteinyl radical
Mass: 120.15128
Formula: C3H6NO2S
32736
Glu-Cys-Cys
Mass: 353.41500
Formula: C11H19N3O6S2
73495
Cys-Gln-Gln
Mass: 377.420
Formula: C13H23N5O6S
156079
Cys-Cys-His-His
Mass: 498.58000
Formula: C18H26N8O5S2
73456
Cys-Met-Met-Met
Mass: 514.74600
Formula: C18H34N4O5S4
73457
Cys-Met-Thr-Tyr
Mass: 516.63100
Formula: C21H32N4O7S2
73459
Cys-Phe-Phe-Gly
Mass: 472.55700
Formula: C23H28N4O5S
73460
Cys-Pro
Mass: 218.27300
Formula: C8H14N2O3S
73461
Cys-Ser
Mass: 208.23500
Formula: C6H12N2O4S
73462
Cys-Asp-Gly
Mass: 293.298
Formula: C9H15N3O6S
140231
L-gamma-glutamyl-L-cysteine
Mass: 250.27324
Formula: C8H14N2O5S
17515
methyl L-cysteinate
Mass: 135.18500
Formula: C4H9NO2S
41531
L-cysteine has Substituent Group(s)
L-cysteine residue
Mass :103.14394
Formula : C3H5NOS
29950 		L-cysteino group
Mass :120.15128
Formula : C3H6NO2S
32448 		L-cysteinyl group
Mass :104.15188
Formula : C3H6NOS
32447 		L-cystein-S-yl group
Mass :120.15128
Formula : C3H6NO2S
32793
L-cysteine is a Structural Derivative of
ammonia
Mass : 17.03056
Formula : H3N
16134
L-cysteine is a Conjugate Acid of
L-cysteinate(1-)
Mass : 120.15128
Formula : C3H6NO2S
32442
L-cysteine is a Conjugate Base of
L-cysteinium
Mass : 122.16716
Formula : C3H8NO2S
32445
L-cysteine is a Enantiomer of
D-cysteine
Mass : 121.15922
Formula : C3H7NO2S
16375
L-cysteine is a Tautomer of
L-cysteine zwitterion
Mass : 121.15922
Formula : C3H7NO2S
35235
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Relationship Types
is a
has part
is conjugate base of
is conjugate acid of
is tautomer of
is enantiomer of
has functional parent
has parent hydride
is substituent group from
has role
Status
Checked
Unchecked