EMBL-EBI | Chemical Biology | ChEBI

Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search

CHEBI:65250 - L-cysteiniumyl group

ChEBI IDCHEBI:65250
ChEBI NameL-cysteiniumyl group
Stars
ASCII NameL-cysteiniumyl group
DefinitionThe organic cationic group formed from L-cysteinium; the major structure at pH 7.3 of the L-cystyl group, formed by protonation of the α-amino group.
Last Modified26 February 2024
SubmitterAnne Morgat
DownloadsMolfile
FormulaC3H7NOS
Net Charge+1
Average Mass105.162
Monoisotopic Mass105.02429
SMILES*C(=O)[C@@H]([NH3+])CS
ChEBI Ontology
Outgoing Relation(s)
L-cysteiniumyl group (CHEBI:65250) is a organic cationic group (CHEBI:64769)
L-cysteiniumyl group (CHEBI:65250) is conjugate acid of L-cysteinyl group (CHEBI:32447)
L-cysteiniumyl group (CHEBI:65250) is substituent group from L-cysteinium (CHEBI:32445)
Incoming Relation(s)
S-1,2-diacyl-sn-glyceryl-L-cysteiniumyl group (CHEBI:140656) has functional parent L-cysteiniumyl group (CHEBI:65250)
S-arachidonoyl-L-cysteine group (CHEBI:143202) has functional parent L-cysteiniumyl group (CHEBI:65250)
S-myristoyl-L-cysteine group (CHEBI:143199) has functional parent L-cysteiniumyl group (CHEBI:65250)
S-oleoyl-L-cysteine group (CHEBI:143201) has functional parent L-cysteiniumyl group (CHEBI:65250)
S-palmitoleoyl-L-cysteine group (CHEBI:143203) has functional parent L-cysteiniumyl group (CHEBI:65250)
S-stearoyl-L-cysteine group (CHEBI:143200) has functional parent L-cysteiniumyl group (CHEBI:65250)
L-cysteinyl group (CHEBI:32447) is conjugate base of L-cysteiniumyl group (CHEBI:65250)
IUPAC Names 
(2R)-2-azaniumyl-3-sulfanylpropanoyl
(2R)-2-ammonio-3-sulfanylpropanoyl
Synonyms  Source
L-cysteinyl(1+) groupChEBI
L-cysteinyl(1+)ChEBI
UniProt Name  Source
N-terminal L-cysteine residueUniProt