Preferred Name

L-cystine

Synonyms

L-Cystine

(2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid)

L-cystine

L-alpha-Diamino-beta-dithiolactic acid

3,3'-Dithiobis-L-alanine

beta,beta'-diamino-beta,beta'-dicarboxydiethyl disulfide

oxidized L-cysteine

bis(beta-amino-beta-carboxyethyl) disulfide

L-Dicysteine

(R-(R*,R*))-3,3'-Dithiobis(2-aminopropanoic acid)

(R,R)-3,3'-dithiobis(2-aminopropanoic acid)

E921

beta,beta'-dithiodialanine

Definitions

The L-enantiomer of the sulfur-containing amino acid cystine.

ID

http://purl.obolibrary.org/obo/CHEBI_16283

charge

0

database_cross_reference

Reaxys:1728094

CAS:56-89-3

HMDB:HMDB0000192

PMID:24327171

DrugBank:DB00138

KEGG:C00491

PMID:14726201

Drug_Central:4130

PMID:24264736

Beilstein:1728094

KNApSAcK:C00001352

Gmelin:397179

KEGG:D03636

definition

The L-enantiomer of the sulfur-containing amino acid cystine.

formula

C6H12N2O4S2

has exact synonym

L-Cystine

(2R,2'R)-3,3'-disulfanediylbis(2-aminopropanoic acid)

L-cystine

has role

http://purl.obolibrary.org/obo/CHEBI_75772

http://purl.obolibrary.org/obo/CHEBI_64577

http://purl.obolibrary.org/obo/CHEBI_145814

has_alternative_id

CHEBI:6209

CHEBI:21278

CHEBI:13097

has_obo_namespace

chebi_ontology

has_related_synonym

L-alpha-Diamino-beta-dithiolactic acid

3,3'-Dithiobis-L-alanine

beta,beta'-diamino-beta,beta'-dicarboxydiethyl disulfide

oxidized L-cysteine

bis(beta-amino-beta-carboxyethyl) disulfide

L-Dicysteine

(R-(R*,R*))-3,3'-Dithiobis(2-aminopropanoic acid)

(R,R)-3,3'-dithiobis(2-aminopropanoic acid)

E921

beta,beta'-dithiodialanine

id

CHEBI:16283

in_subset

http://purl.obolibrary.org/obo/chebi#3_STAR

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

is conjugate acid of

http://purl.obolibrary.org/obo/CHEBI_63163

is enantiomer of

http://purl.obolibrary.org/obo/CHEBI_35494

is tautomer of

http://purl.obolibrary.org/obo/CHEBI_35491

label

L-cystine

mass

240.30256

monoisotopicmass

240.02385

notation

CHEBI:16283

prefLabel

L-cystine

smiles

N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O

subClassOf

http://purl.obolibrary.org/obo/CHEBI_83824

http://purl.obolibrary.org/obo/CHEBI_17376

http://purl.obolibrary.org/obo/CHEBI_83822

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