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CHEBI:17376 - cystine

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ChEBI Name cystine
ChEBI ID CHEBI:17376
Definition A sulfur-containing amino acid obtained by the oxidation of two cysteine molecules which are then linked via a disulfide bond.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:4052, CHEBI:23513, CHEBI:14062
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Formula C6H12N2O4S2
Net Charge 0
Average Mass 240.30256
Monoisotopic Mass 240.024
InChI InChI=1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)
InChIKey LEVWYRKDKASIDU-UHFFFAOYSA-N
SMILES NC(CSSCC(N)C(O)=O)C(O)=O
Metabolite of Species Details
Homo sapiens (NCBI:9606) See: PubMed
Roles Classification
Chemical Role(s): 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).
mouse metabolite
Any mammalian metabolite produced during a metabolic reaction in a mouse (Mus musculus).
View more via ChEBI Ontology
ChEBI Ontology
Outgoing cystine (CHEBI:17376) has role human metabolite (CHEBI:77746)
cystine (CHEBI:17376) has role mouse metabolite (CHEBI:75771)
cystine (CHEBI:17376) is a cysteine derivative (CHEBI:23509)
cystine (CHEBI:17376) is a organic disulfide (CHEBI:35489)
cystine (CHEBI:17376) is a sulfur-containing amino acid (CHEBI:26834)
cystine (CHEBI:17376) is tautomer of cystine zwitterion (CHEBI:35492)
Incoming Cys-Gly disulfide (CHEBI:133040) has functional parent cystine (CHEBI:17376)
D-cystine (CHEBI:35494) is a cystine (CHEBI:17376)
L-cystine (CHEBI:16283) is a cystine (CHEBI:17376)
cystine residue (CHEBI:50051) is substituent group from cystine (CHEBI:17376)
cystinyl group (CHEBI:50050) is substituent group from cystine (CHEBI:17376)
cystyl group (CHEBI:23514) is substituent group from cystine (CHEBI:17376)
cystine zwitterion (CHEBI:35492) is tautomer of cystine (CHEBI:17376)
IUPAC Names
3,3'-disulfanediylbis(2-aminopropanoic acid)
cystine
Synonyms Sources
3,3'-dithiobis(2-aminopropanoic acid) ChEBI
alpha-Diamino-beta-dithiolactic acid KEGG COMPOUND
cistina ChEBI
Cystin ChEBI
Cystine KEGG COMPOUND
Dicysteine KEGG COMPOUND
Zystin ChEBI
Database Links Databases
C01420 KEGG COMPOUND
Cystine Wikipedia
View more database links
Registry Numbers Types Sources
1728091 Reaxys Registry Number Reaxys
1728091 Beilstein Registry Number Beilstein
83347 Gmelin Registry Number Gmelin
923-32-0 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
18608550 PubMed citation Europe PMC
24327171 PubMed citation Europe PMC
24525029 PubMed citation Europe PMC
24525030 PubMed citation Europe PMC
Last Modified
17 August 2016