tetronasin
naturalproductmech:mibig-af3f2e942e MINTED SEEDED
What these status tags mean
Curation status describes a workflow state. SEEDED means the record entered through the source-seeding workflow; it does not imply that no later curation occurred. PROPOSED marks an addition awaiting review; REVIEWED records curator sign-off on identity, structure, filing class and producer claims; DEPRECATED retains a superseded or out-of-scope record. These are workflow decisions, not independently verified human review. Agent-assisted contributions may appear in the record history.
Grounding describes the identifier mapping: EXACT uses an ontology identity asserted by the source; MINTED keeps a local identifier when no defensible ontology identity is available; REVIEW_NEEDED flags an exact structure whose ontology identity needs adjudication. The grounding note retains any unresolved alternatives. These tags do not establish the strength of producer or activity evidence.
Structure
| Standard InChIKey | XZJAKURZQBNKKX-QFQDJZPHSA-N |
|---|---|
| SMILES | C[C@@H]1CCC[C@@H]([C@H]1[C@H](C)/C(=C\2/C(=O)COC2=O)/O)/C=C(\CO)/[C@H]3[C@@H](CC[C@H](O3)/C=C/[C@H](C)[C@H]4[C@H](C[C@@H](O4)[C@H](C)OC)C)C |
| Stereochemistry | fully defined |
| Cross-references | pubchem:54688688 |
Filing pathway
Polyketides — computed by NPClassifier npclassifier.gnps2.org@2026-09-07, which is why it is pinned rather than recomputed. The gene cluster's asserted class is pks, from MIBiG.
Producer organisms 1
A claim that this taxon makes the compound. The basis says what the evidence addressed — a knockout and a database assertion are not the same claim.
| Taxon | Basis | Cluster | Evidence |
|---|---|---|---|
| Streptomyces longisporoflavus NCBITaxon:28044 |
SOURCE_ASSERTION | mibig:BGC0000163 | PMID:8449312 |
Occurrences 3
Somebody found the compound in this organism and cited it. That is not a claim that the organism makes it, and nothing here promotes one to the other.
| Taxon | Source | Reference |
|---|---|---|
| Streptomyces NCBITaxon:1883 |
LOTUS | DOI:10.1021/ACS.JNATPROD.6B00996 |
| Streptomyces longisporoflavus NCBITaxon:28044 |
LOTUS | DOI:10.1039/C39810001073 |
| Streptomyces longisporoflavus NCBITaxon:28044 |
LOTUS | DOI:10.1111/J.1365-2958.1994.TB00355.X |
Biosynthetic gene clusters 1
| Accession | Host | Locus evidence | Genome |
|---|---|---|---|
| mibig:BGC0000163 | Streptomyces longisporoflavus NCBITaxon:28044 |
CLUSTER_UNSTATED | genbank:FJ462704.1 |
A locus claim and a taxon claim are different questions. Heterologous expression settles the first and leaves the second where the isolation report left it.
Mechanism & Biosynthesis Overview
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Provenance
| Source concept | Source | Version |
|---|---|---|
| BGC0000163 | MIBIG | 5 |
This page is generated from data/natural_products/polyketides/tetronasin.yaml, which is generated from the committed inventories. Neither is edited by hand.