FB2026_03 , released September 17, 2026
Chemical: lactacystin
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General Information
Name
lactacystin
FlyBase ID
FBch0002371
ChEBI Name
lactacystin
ChEBI ID
PubChem Name
Lactacystin
PubChem ID
Chemical Structure
Chemical structure of lactacystin
lactacystin
InChIKey

DAQAKHDKYAWHCG-RWTHQLGUSA-N

Definition (ChEBI)

L-Cysteine substituted at nitrogen by an acetyl group and at sulfur by a substituted-lactam carbonyl group. ChEBI: Lactacystin is l-Cysteine substituted at nitrogen by an acetyl group and at sulfur by a substituted-lactam carbonyl group. It is a lactam and a S-substituted L-cysteine.

Roles Classification (ChEBI)
Comment
Synonyms and Secondary IDs (11)
Synonyms
(+)-Lactacystin
(2R)-2-acetamido-3-[(2R,3S,4R)-3-hydroxy-2-[(1S)-1-hydroxy-2-methylpropyl]-4-methyl-5-oxopyrrolidine-2-carbonyl]sulfanylpropanoic acid
(2R,3S,4R)-3-Hydroxy-2-[(1S)-1-hydroxy-2-methylpropyl]-4-methyl-5-oxo-2-pyrrolidinecarboxy-N-acetyl-L-cysteine thioester
133343-34-7
C15H24N2O7S
CHEBI:52722
L-Cysteine, N-acetyl-S-[(3S,4R)-3-hydroxy-2-[(1S)-1-hydroxy-2-methylpropyl]-4-methyl-5-oxo-D-prolyl]-
Lactacystin, Synthetic
N-acetyl-S-({(2R,3S,4R)-3-hydroxy-2-[(1S)-1-hydroxy-2-methylpropyl]-4-methyl-5-oxopyrrolidin-2-yl}carbonyl)-L-cysteine
PubChem:6610292
Secondary FlyBase IDs
    References (3)