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CHEBI:139233 - 3,3-dimethylcystein-S-yl group

ChEBI IDCHEBI:139233
ChEBI Name3,3-dimethylcystein-S-yl group
Stars
ASCII Name3,3-dimethylcystein-S-yl group
DefinitionA penicillin-derived group formed from benzylpenicillin via cleavage of the β-lactam and thiazolidine rings to afford a dimethyl-substituted cysteine entity able to link to the thiol group of a protein cysteine residue through a sulfur‒sulfur bond.
Last Modified6 December 2017
SubmitterMarcus Ennis
DownloadsMolfile
FormulaC5H10NO2S
Net Charge0
Average Mass148.207
Monoisotopic Mass148.04322
SMILES*SC(C)(C)C(N)C(=O)O
Roles Classification
Biological Role:
epitope  The biological role played by a material entity when bound by a receptor of the adaptive immune system. Specific site on an antigen to which an antibody binds.
ChEBI Ontology
Outgoing Relation(s)
3,3-dimethylcystein-S-yl group (CHEBI:139233) has role epitope (CHEBI:53000)
3,3-dimethylcystein-S-yl group (CHEBI:139233) is a penicillin-derived group (CHEBI:139226)
3,3-dimethylcystein-S-yl group (CHEBI:139233) is substituent group from penicillamine (CHEBI:50868)
IUPAC Name 
(1-amino-1-carboxy-2-methylpropan-2-yl)sulfanyl
Synonyms  Source
3,3-dimethylcystein-S-ylChEBI
penicillamin-S-ylChEBI
penicillamin-S-yl groupChEBI
Citations