gamma-L-Glutamyl-L-cysteine

γ-L-Glutamyl-L-cysteine
Names

Systematic IUPAC name (2S)-2-Amino-5-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-5-oxopentanoic acid
Other names gamma-Glutamylcysteine
Identifiers
CAS Number	686-58-8^Y
3DMet	B01305
Beilstein Reference	1729154
ChEBI	CHEBI:17515^Y
ChEMBL	ChEMBL460831^Y
ChemSpider	110467^Y
DrugBank	DB03408^Y
Jmol interactive 3D	Image
KEGG	C00669^Y
MeSH	gamma-glutamylcysteine
PubChem	123938
InChI InChI=1S/C8H14N2O5S/c9-4(7(12)13)1-2-6(11)10-5(3-16)8(14)15/h4-5,16H,1-3,9H2,(H,10,11)(H,12,13)(H,14,15)/t4-,5-/m0/s1^Y Key: RITKHVBHSGLULN-WHFBIAKZSA-N^Y
SMILES C(CC(=O)N[C@@H](CS)C(=O)O)[C@@H](C(=O)O)N
Properties
Chemical formula	C₈H₁₄N₂O₅S
Molar mass	250.27 g·mol⁻¹
Appearance	White, opaque crystals
log P	−1.168
Acidity (pK_a)	2.214
Basicity (pK_b)	11.783
Related compounds
Related alkanoic acids	Tiopronin Bucillamine Oxalyldiaminopropionic acid N(6)-Carboxymethyllysine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references

γ-L-Glutamyl-L-cysteine (also known as γ-glutamylcysteine) is a precursor of glutathione. It is formed by glutamate—cysteine ligase and used by glutathione synthetase to form glutathione.

Amino acid metabolism metabolic intermediates

K→acetyl-CoA

lysine→	Saccharopine Allysine α-Aminoadipic acid α-Ketoadipate Glutaryl-CoA Glutaconyl-CoA Crotonyl-CoA β-Hydroxybutyryl-CoA

leucine→	α-Ketoisocaproic acid Isovaleryl-CoA 3-Methylcrotonyl-CoA 3-Methylglutaconyl-CoA HMG-CoA

tryptophan→alanine→	N'-Formylkynurenine Kynurenine Anthranilic acid 3-Hydroxykynurenine 3-Hydroxyanthranilic acid 2-Amino-3-carboxymuconic semialdehyde 2-Aminomuconic semialdehyde 2-Aminomuconic acid Glutaryl-CoA

G→pyruvate→citrate

glycine→serine→	3-Phosphoglyceric acid glycine→creatine: Glycocyamine Phosphocreatine Creatinine

G→glutamate→
α-ketoglutarate

histidine→	Urocanic acid Imidazol-4-one-5-propionic acid Formiminoglutamic acid Glutamate-1-semialdehyde

proline→	1-Pyrroline-5-carboxylic acid

arginine→	Agmatine Ornithine Cadaverine Putrescine

other	cysteine+glutamate→glutathione: γ-Glutamylcysteine

G→propionyl-CoA→
succinyl-CoA

valine→	α-Ketoisovaleric acid Isobutyryl-CoA Methacrylyl-CoA 3-Hydroxyisobutyryl-CoA 3-Hydroxyisobutyric acid 2-Methyl-3-oxopropanoic acid

isoleucine→	2,3-Dihydroxy-3-methylpentanoic acid 2-Methylbutyryl-CoA Tiglyl-CoA 2-Methylacetoacetyl-CoA

methionine→	generation of homocysteine: S-Adenosyl methionine S-Adenosyl-L-homocysteine Homocysteine conversion to cysteine: Cystathionine alpha-Ketobutyric acid+Cysteine

threonine→	α-Ketobutyric acid

propionyl-CoA→	Methylmalonyl-CoA

G→fumarate

phenylalanine→tyrosine→	4-Hydroxyphenylpyruvic acid Homogentisic acid 4-Maleylacetoacetic acid

G→oxaloacetate

see urea cycle

Other

Cysteine metabolism	Cysteine sulfinic acid

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