nigranoic acid
CHEBI:66626
·resolve ·ANTIVIRAL
·EXACT
SEEDED
A tetracyclic triterpenoid that is 3,4-secocycloarta-4(28),24-(Z)-diene substituted by carboxy groups at positions 3 and 26. Isolated from Schisandra henryi and Schisandra propinqua, it exhibits cytotoxic and anti-HIV activities. — 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.
Chemical structure
Computed structure properties
| Molecular formula | C30H46O4 |
|---|
| Charge | 0 |
|---|
| Average mass | 470.694 Da |
|---|
| Monoisotopic mass | 470.33961 Da |
|---|
| Source | ChEBI |
|---|
| InChIKey | NJFOSFIPGRXARF-BRTULJEKSA-N |
SMILES
[H][C@@]12CC[C@@H](C(=C)C)[C@@]3(CCC(=O)O)C[C@]31CC[C@@]1(C)[C@@]2(C)CC[C@]1([H])[C@H](C)CC/C=C(/C)C(=O)O
InChI
InChI=1S/C30H46O4/c1-19(2)22-10-11-24-28(6)14-12-23(20(3)8-7-9-21(4)26(33)34)27(28,5)16-17-30(24)18-29(22,30)15-13-25(31)32/h9,20,22-24H,1,7-8,10-18H2,2-6H3,(H,31,32)(H,33,34)/b21-9-/t20-,22+,23-,24+,27-,28+,29-,30+/m1/s1
Also called
- (2Z,6R)-6-[(1R,3aS,3bS,6S,6aR,7aS,9aR)-6a-(2-carboxyethyl)-3a,9a-dimethyl-6-(prop-1-en-2-yl)dodecahydro-1H-cyclopenta[a]cyclopropa[e]naphthalen-1-yl]-2-methylhept-2-enoic acid (EXACT_SYNONYM)— chebi
- 3,4-secocycloarta-4(28),24-(Z)-diene-3,26-dioic acid (EXACT_SYNONYM)— chebi
Cross-references
Equivalent identifiers for this same structure in other resources.
Activity roles
Every antimicrobial role a source asserts for this compound — the
unreduced evidence behind its antimicrobial_class.
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:66626 |
nigranoic acid |
antibioticmech:chebi-b6db7ba1b7 |
2026-08-30 |
Mechanism summary
- Mode of action
- VIRAL_POLYMERASE_INHIBITION microbial target — Assigned from ChEBI role CHEBI:53756 (HIV-1 reverse transcriptase inhibitor). ChEBI asserts the role on the compound. The role names a target specific to the microbe or virus — see mode_of_action_target_scope. Not a curator's mechanistic review.
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.