CHEBI:7989 - pepstatin A

ChEBI IDCHEBI:7989
ChEBI Namepepstatin A
Stars
DefinitionA pentapeptide isolated from Streptomyces testaceus. It is a potent inhibitor of aspartyl proteases.
Secondary ChEBI IDCHEBI:43324
Last Modified24 September 2020
DownloadsMolfile
FormulaC34H63N5O9
Net Charge0
Average Mass685.904
Monoisotopic Mass685.46258
SMILESCC(C)CC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)[C@@H](O)CC(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)[C@@H](O)CC(=O)O)C(C)C)C(C)C
InChIInChI=1S/C34H63N5O9/c1-17(2)12-23(37-33(47)31(21(9)10)39-34(48)30(20(7)8)38-27(42)14-19(5)6)25(40)15-28(43)35-22(11)32(46)36-24(13-18(3)4)26(41)16-29(44)45/h17-26,30-31,40-41H,12-16H2,1-11H3,(H,35,43)(H,36,46)(H,37,47)(H,38,42)(H,39,48)(H,44,45)/t22-,23-,24-,25-,26-,30-,31-/m0/s1
InChIKeyFAXGPCHRFPCXOO-LXTPJMTPSA-N
Wikipedia
Species of MetaboliteComponentSourceComments
Streptomyces testaceus (ncbitaxon:1883) - DOI (10.7164/antibiotics.23.259)
Roles Classification
Chemical Role:
Bronsted base  A molecular entity capable of accepting a hydron from a donor (Brønsted acid).
Biological Roles:
EC 3.4.23.* (aspartic endopeptidase) inhibitor  An EC 3.4.* (hydrolases acting on peptide bond) inhibitor that interferes with the action of any aspartic endopeptidase (EC 3.4.23.*).
bacterial metabolite  Any prokaryotic metabolite produced during a metabolic reaction in bacteria.
ChEBI Ontology
Outgoing Relation(s)
pepstatin A (CHEBI:7989) has role bacterial metabolite (CHEBI:76969)
pepstatin A (CHEBI:7989) has role EC 3.4.23.* (aspartic endopeptidase) inhibitor (CHEBI:76885)
pepstatin A (CHEBI:7989) is a pentapeptide (CHEBI:48545)
pepstatin A (CHEBI:7989) is a secondary carboxamide (CHEBI:140325)
pepstatin A (CHEBI:7989) is conjugate acid of pepstatin A(1−) (CHEBI:190525)
Incoming Relation(s)
pepstatin A(1−) (CHEBI:190525) is conjugate base of pepstatin A (CHEBI:7989)
IUPAC Name 
N-(3-methylbutanoyl)-L-valyl-N-[(3S,4S)-1-{[(2S)-1-{[(2S,3S)-1-carboxy-2-hydroxy-5-methylhexan-3-yl]amino}-1-oxopropan-2-yl]amino}-3-hydroxy-6-methyl-1-oxoheptan-4-yl]-L-valinamide
INNs  Source
pepstatinWHO MedNet
pepstatineWHO MedNet
pepstatinaWHO MedNet
pepstatinumWHO MedNet
Synonyms  Source
(3S,4S)-3-hydroxy-4-[(2S)-2-[(3S,4S)-3-hydroxy-6-methyl-4-[(2S)-3-methyl-2-[(2S)-3-methyl-2-(3-methylbutanamido)butanamido]butanamido]heptanamido]propanamido]-6-methylheptanoic acidIUPAC
ahpatinin CChemIDplus
pepsin inhibitor S 735AChemIDplus
procidin S 735AChemIDplus
Manual XrefsDatabases
C00773KEGG COMPOUND
IHNPDBeChem
C00018785KNApSAcK
D03818KEGG DRUG
PepstatinWikipedia
LSM-2282LINCS
Registry NumbersSources
Reaxys:2201362Reaxys
CAS:26305-03-3ChemIDplus
Citations