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pepstatin A

chemical compound
Class type of: pepstatins Q7166509

Facts

8 properties
Instance of
type of chemical entity
Subclass of
pepstatins
Canonical SMILES
CC(C)CC(C(CC(=O)O)O)NC(=O)C(C)NC(=O)CC(C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C(C(C)C)NC(=O)CC(C)C)O
Chemical formula
C₃₄H₆₃N₅O₉
Found in taxon
Streptomyces, Cyanobacterium
Isomeric SMILES
C[C@@H](C(=O)N[C@@H](CC(C)C)[C@H](CC(=O)O)O)NC(=O)C[C@@H]([C@H](CC(C)C)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)NC(=O)CC(C)C)O
Mass
+685.463
Subject has role
antimalarial, protease inhibitor
🏷️ Also known as
en pepstatin en pepstatin A es pepstatina fa پپستاتین ja ぺプスタチン ja ペプスタチン zh 胃酶抑素
🔖 Identifiers · 24
OpenAlex ID
C2776350231
CAS Registry Number
26305-03-3
ChEBI ID
7989
ChEMBL ID
CHEMBL296588
ChemSpider ID
4586014
DSSTOX compound identifier
DTXCID5026095
DSSTox substance ID
DTXSID7046095
DrugBank ID
DB21282
EC number
247-600-0
ECHA Substance Infocard ID
100.043.258
Freebase ID
/m/02vq26h
InChI
InChI=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
Show all 24 identifiers +12
InChIKey
FAXGPCHRFPCXOO-LXTPJMTPSA-N, FAXGPCHRFPCXOO-JHTFMCFMSA-N
KEGG ID
D03818
Microsoft Academic ID (discontinued)
2776350231
NSC number
272671
PDB ligand ID
IHN
PDB structure ID
4AUC
Probes And Drugs ID
PD013141
PubChem CID
5478883
SPLASH
splash10-0ab9-0122723900-edfdb5217c0ea9024dfe
SureChEMBL ID
50324
UNII
V6Y2T27Q1U
UniChem compound ID
926108

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🔗 Connections
Subject has role 2
antimalarial, protease inhibitor
Found in taxon 1
Streptomyces
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Summary

pepstatin An is a type of chemical entity[1].

Key Facts

  • Canonical SMILES: CC(C)CC(C(CC(=O)O)O)NC(=O)C(C)NC(=O)CC(C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C(C(C)C)NC(=O)CC(C)C)O[2]
  • Chemical formula: C₃₄H₆₃N₅O₉[3]
  • Subclass of: pepstatins[4]
  • Found in taxon: Streptomyces[5], Cyanobacterium[6]
  • Isomeric SMILES: CC@@HNC(=O)CC@@HOC@@HNC(=O)CC@@HO">[7]
  • Mass: 685.463 dalton[8]
  • Subject has role: antimalarial[9], protease inhibitor[10]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . PubChem. Retrieved . wikidata.org.
  2. [3] ↑ . PubChem. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Ahpatinins, new acid protease inhibitors containing 4-amino-3-hydroxy-5-phenylpentanoic acid. wikidata.org.
  5. [6] ↑ . Izenamides A and B, Statine-Containing Depsipeptides, and an Analogue from a Marine Cyanobacterium. wikidata.org.
  6. [7] ↑ . PubChem. Retrieved . wikidata.org.
  7. [8] ↑ . PubChem. Retrieved . wikidata.org.
  8. [9] ↑ . Medical Subject Headings. Retrieved . wikidata.org.
  9. [10] ↑ . Medical Subject Headings. Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). pepstatin A. Retrieved November 3, 2026, from https://4ort.xyz/entity/pepstatin-a
MLA “pepstatin A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/pepstatin-a.
BibTeX @misc{4ortxyz_pepstatin-a_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pepstatin A}}, year = {2026}, url = {https://4ort.xyz/entity/pepstatin-a}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pepstatin A — https://4ort.xyz/entity/pepstatin-a (retrieved 2026-11-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23w ago · Data4chem · 2026-05-23 view diff on Wikidata ↗
    Chemical structure → Pepstatin.svg
    Subclass of → —
    Instance of → —
    DrugBank ID → DB21282
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Chemical structure: Pepstatin.svg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.