phosphatoquinone A

CHEBI:66751 ·resolve ·ANTIMICROBIAL_UNSPECIFIED ·EXACT SEEDED

An organic heterotricyclic compound resulting from the formal epoxidation of the 2-3 double bond of the 1,4-naphthoquinone moiety of phosphatoquinone B. It is isolated from the culture broth of Streptomyces sp.TC-0363 and exhibits inhibitory activity against the enzyme protein tyrosine phosphatase. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:26979 CHEBI:26979
CHEBI:32955 CHEBI:32955
CHEBI:33853 CHEBI:33853
CHEBI:3992 CHEBI:3992

Chemical structure

Computed structure properties
Molecular formula	C21H24O5
Charge	0
Average mass	356.418 Da
Monoisotopic mass	356.16237 Da
Source	ChEBI
InChIKey	QTORDDSSLVGNHO-BGTMZHHNSA-N

SMILES

CC(C)=CCC/C(C)=C/C[C@]12O[C@@]1(C)C(=O)c1c(O)cc(O)cc1C2=O

InChI

InChI=1S/C21H24O5/c1-12(2)6-5-7-13(3)8-9-21-18(24)15-10-14(22)11-16(23)17(15)19(25)20(21,4)26-21/h6,8,10-11,22-23H,5,7,9H2,1-4H3/b13-8+/t20-,21+/m0/s1

Also called

(1aR,7aS)-7a-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-3,5-dihydroxy-1a-methyl-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:8168625

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33281 CHEBI:33281

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:66751`	phosphatoquinone A	`antibioticmech:chebi-6bdf627375`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.