CYS

CYSTEINE

Find entries where: CYS

is present as a standalone ligand in 103 entries

as a non-polymer is covalently linked to polymer or other heterogen groups 36 entries

is present in a polymer sequence 170,771 entries

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Chemical Component Summary
Name	CYSTEINE
Identifiers	(2R)-2-amino-3-sulfanyl-propanoic acid
Formula	C₃ H₇ N O₂ S
Molecular Weight	121.16
Type	L-PEPTIDE LINKING
Isomeric SMILES	C([C@@H](C(=O)O)N)S
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

Chemical Details
Formal Charge	0
Atom Count	14
Chiral Atom Count	1
Bond Count	13
Aromatic Bond Count	0

Drug Info: DrugBank

DrugBank ID	DB00151
Name	Cysteine
Groups	approved nutraceutical
Description	A thiol-containing non-essential amino acid that is oxidized to form cystine.
Synonyms	Cysteine hydrochloride Cisteinum L-Cys L-2-Amino-3-mercaptopropionic acid Free Cysteine Cysteinum Cysteine Cys L-Cystein (2R)-2-amino-3-mercaptopropanoic acid (R)-2-Amino-3-mercaptopropanoic acid (2R)-2-amino-3-sulfanylpropanoic acid Cisteina L-Zystein L-cysteine
Brand Names	Premasol - sulfite-free (Amino Acid) Primene ProcalAmine Hepatasol FreAmine III HepatAmine NephrAmine Distilpure Msm Medi Msm (methyl Sulfonyl Methane) FreAmine HBC TrophAmine Vamin 18 Electrolyte-free L-Cysteine Hydrochloride Nephramine Liq IV Primene 10% L Cysteine HCl Inj 50mg/ml 8.5% Freamine III Vamin N Cicatrin Powder Nouress Cysteine Hydrochloride Primene 10%-liq IV Aminoderm Poudre Elcys Aminosyn HF
Indication	For the prevention of liver damage and kidney damage associated with overdoses of acetaminophen
Categories	Amino Acids Amino Acids, Neutral Amino Acids, Peptides, and Proteins Amino Acids, Sulfur Caloric Agents Cysteine Dietary Supplements Nutritional Support Proteinogenic Amino Acids Sulfhydryl Compounds Sulfur Compounds Supplements
CAS number	52-90-4

Drug Targets

Name	Target Sequence	Pharmacological Action	Actions
Glutamate--cysteine ligase regulatory subunit	MGTDSRAAKALLARARTLHLQTGNLLNWGRLRKKCPSTHSEELHDCIQKT...	unknown
Glutamate--cysteine ligase catalytic subunit	MGLLSQGSPLSWEETKRHADHVRRHGILQFLHIYHAVKDRHKDVLKWGDE...	unknown
Aspartate aminotransferase, cytoplasmic	MAPPSVFAEVPQAQPVLVFKLTADFREDPDPRKVNLGVGAYRTDDCHPWV...	unknown	substrate
Aspartate aminotransferase, mitochondrial	MALLHSGRVLPGIAAAFHPGLAAAASARASSWWTHVEMGPPDPILGVTEA...	unknown	substrate
Cystathionine gamma-lyase	MQEKDASSQGFLPHFQHFATQAIHVGQDPEQWTSRAVVPPISLSTTFKQG...	unknown
Cystathionine beta-synthase	MPSETPQAEVGPTGCPHRSGPHSAKGSLEKGSPEDKEAKEPLWIRPDAPS...	unknown
Cysteine--tRNA ligase, cytoplasmic	MADSSGQQGKGRRVQPQWSPPAGTQPCRLHLYNSLTRNKEVFIPQDGKKV...	unknown	substrate
Methylated-DNA--protein-cysteine methyltransferase	MDKDCEMKRTTLDSPLGKLELSGCEQGLHEIKLLGKGTSAADAVEVPAPA...	unknown
Glutathione synthetase	MATNWGSLLQDKQQLEELARQAVDRALAEGVLLRTSQEPTSSEVVSYAPF...	unknown
Probable cysteine--tRNA ligase, mitochondrial	MLRTTRGPGLGPPLLQAALGLGRAGWHWPAGRAASGGRGRAWLQPTGRET...	unknown	substrate
Cysteine sulfinic acid decarboxylase	MADSEALPSLAGDPVAVEALLRAVFGVVVDEAIQKGTSVSQKVCEWKEPE...	unknown
Cysteine desulfurase, mitochondrial	MLLRAAWRRAAVAVTAAPGPKPAAPTRGLRLRVGDRAPQSAVPADTAAAP...	unknown
Cysteine dioxygenase type 1	MEQTEVLKPRTLADLIRILHQLFAGDEVNVEEVQAIMEAYESDPTEWAMY...	unknown
Monocarboxylate transporter 10	MVLSQEEPDSARGTSEAQPLGPAPTGAAPPPGPGPSDSPEAAVEKVEVEL...	unknown	inhibitor
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Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682