Discuss This Drug

L-cysteine

CHEBI:CHEBI_17561

Definition

An optically active form of cysteine having L-configuration.

Chemical Information

Molecular Formula
C3H7NO2S
Molecular Mass
121.15800
Charge
0
SMILES
N[C@@H](CS)C(O)=O
InChI
InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKey
XUJNEKJLAYXESH-REOHCLBHSA-N

Alternative Names

  • C
  • Cys
  • (2R)-2-amino-3-mercaptopropanoic acid
  • (2R)-2-amino-3-sulfanylpropanoic acid
  • (R)-2-amino-3-mercaptopropanoic acid
  • CYSTEINE
  • E 920
  • E-920
  • E920
  • FREE CYSTEINE
  • L-2-Amino-3-mercaptopropionic acid
  • L-Cystein
  • L-cysteine
  • L-Cysteine
  • L-Zystein

Drug Classification

Important Medical Information

⚕️ This information is sourced from ChEBI (Chemical Entities of Biological Interest) database and is intended for educational purposes only.

  • Always consult with a healthcare professional before starting, stopping, or modifying any medication.
  • Side effects may vary and this list may not be comprehensive.
  • Drug interactions may occur with other medications.

Additional Identifiers

oboInOwl#hasDbXref
YMDB:YMDB00046
core#notation
CHEBI:17561

Additional References

🔍 Click on any linked disease name to learn more about the conditions this medication is used to treat, or explore related drug classifications for more information about similar medications.

Additional Attributes

oboInOwl#hasOBONamespace
chebi_ontology
oboInOwl#hasDbXref
YMDB:YMDB00046
oboInOwl#hasAlternativeId
CHEBI:6207
oboInOwl#id
CHEBI:17561
core#notation
CHEBI:17561
RO_0000087
http://purl.obolibrary.org/obo/CHEBI_77703
oboInOwl#inSubset
http://purl.obolibrary.org/obo/chebi#3_STAR
chebi#is_enantiomer_of
http://purl.obolibrary.org/obo/CHEBI_16375
chebi#is_conjugate_acid_of
http://purl.obolibrary.org/obo/CHEBI_32445
chebi#is_conjugate_base_of
http://purl.obolibrary.org/obo/CHEBI_32442
chebi#is_tautomer_of
http://purl.obolibrary.org/obo/CHEBI_35235
22-rdf-syntax-ns#type
http://www.w3.org/2002/07/owl#Class
has_treatment
http://purl.obolibrary.org/obo/DOID_0080778
chebi#has_functional_parent
http://purl.obolibrary.org/obo/CHEBI_83824
owl#someValuesFrom
t307124
owl#annotatedSource
t134278