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CHEBI:16283 - L-cystine

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name L-cystine
ChEBI ID CHEBI:16283
ChEBI ASCII Name L-cystine
Definition The L-enantiomer of the sulfur-containing amino acid cystine.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:6209, CHEBI:13097, CHEBI:21278
Supplier Information
Save molfile Download Molfile
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)/t3-,4-/m0/s1
InChIKey LEVWYRKDKASIDU-IMJSIDKUSA-N
SMILES N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
Metabolite of Species Details
Mus musculus (NCBI:10090) Source: BioModels - MODEL1507180067 See: PubMed
Saccharomyces cerevisiae (NCBI:4932) Source: yeast.sf.net See: PubMed
Homo sapiens (NCBI:9606) See: DOI
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): Saccharomyces cerevisiae metabolite
Any fungal metabolite produced during a metabolic reaction in Baker's yeast (Saccharomyces cerevisiae ).
mouse metabolite
Any mammalian metabolite produced during a metabolic reaction in a mouse (Mus musculus).
(via cystine )
(via L-alpha-amino acid )
flour treatment agent
A food additive which is added to flour or dough to improve baking quality and/or colour.
human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
(via cystine )
Application(s): flour treatment agent
A food additive which is added to flour or dough to improve baking quality and/or colour.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing L-cystine (CHEBI:16283) has role Saccharomyces cerevisiae metabolite (CHEBI:75772)
L-cystine (CHEBI:16283) has role flour treatment agent (CHEBI:64577)
L-cystine (CHEBI:16283) has role human metabolite (CHEBI:77746)
L-cystine (CHEBI:16283) has role mouse metabolite (CHEBI:75771)
L-cystine (CHEBI:16283) is a L-cysteine derivative (CHEBI:83824)
L-cystine (CHEBI:16283) is a cystine (CHEBI:17376)
L-cystine (CHEBI:16283) is a non-proteinogenic L-α-amino acid (CHEBI:83822)
L-cystine (CHEBI:16283) is conjugate acid of L-cystine anion (CHEBI:63163)
L-cystine (CHEBI:16283) is enantiomer of D-cystine (CHEBI:35494)
L-cystine (CHEBI:16283) is tautomer of L-cystine zwitterion (CHEBI:35491)
Incoming L-cystine di-2-naphthylamide (CHEBI:90428) has functional parent L-cystine (CHEBI:16283)
L-cystine mono-2-naphthylamide (CHEBI:90427) has functional parent L-cystine (CHEBI:16283)
L-cystine anion (CHEBI:63163) is conjugate base of L-cystine (CHEBI:16283)
D-cystine (CHEBI:35494) is enantiomer of L-cystine (CHEBI:16283)
L-cystine residue (CHEBI:50058) is substituent group from L-cystine (CHEBI:16283)
L-cystinyl group (CHEBI:50066) is substituent group from L-cystine (CHEBI:16283)
L-cystyl group (CHEBI:50057) is substituent group from L-cystine (CHEBI:16283)
L-cystine zwitterion (CHEBI:35491) is tautomer of L-cystine (CHEBI:16283)
IUPAC Names
(2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid)
L-cystine
Synonyms Sources
(R,R)-3,3'-dithiobis(2-aminopropanoic acid) ChEBI
(R-(R*,R*))-3,3'-Dithiobis(2-aminopropanoic acid) ChemIDplus
3,3'-Dithiobis-L-alanine ChemIDplus
β,β'-diamino-β,β'-dicarboxydiethyl disulfide NIST Chemistry WebBook
β,β'-dithiodialanine NIST Chemistry WebBook
bis(β-amino-β-carboxyethyl) disulfide NIST Chemistry WebBook
E921 ChEBI
L-alpha-Diamino-beta-dithiolactic acid KEGG COMPOUND
L-Cystine KEGG COMPOUND
L-Dicysteine KEGG COMPOUND
oxidized L-cysteine NIST Chemistry WebBook
Database Links Databases
C00001352 KNApSAcK
C00491 KEGG COMPOUND
D03636 KEGG DRUG
DB00138 DrugBank
HMDB00192 HMDB
View more database links
Registry Numbers Types Sources
1728094 Reaxys Registry Number Reaxys
1728094 Beilstein Registry Number Beilstein
397179 Gmelin Registry Number Gmelin
56-89-3 CAS Registry Number KEGG COMPOUND
56-89-3 CAS Registry Number ChemIDplus
56-89-3 CAS Registry Number NIST Chemistry WebBook
Citations Waiting for Citations Types Sources
24264736 PubMed citation Europe PMC
24327171 PubMed citation Europe PMC
Last Modified
27 January 2016