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ambiguine A isonitrile

naturalproductmech:mibig-a033f9fea7 MINTED SEEDED

Grounding review: No 3-star ChEBI entry shares this structure, so the record keeps a content-hashed identifier.
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REVIEWED records curator sign-off on identity, structure, filing class and producer claims; DEPRECATED retains a superseded or out-of-scope record.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 InChIKeyGHYIJWADNLIVDB-UMIISBCRSA-N
SMILESC[C@@]1([C@@H](C[C@H]2[C@H]([C@H]1[N+]#[C-])C3=C(NC4=CC=CC(=C43)C2(C)C)C(C)(C)C=C)Cl)C=C
Stereochemistryfully defined
Cross-referencespubchem:21610112

Filing pathway

Alkaloids — 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 terpene, other, 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.

TaxonBasisClusterEvidence
Fischerella ambigua UTEX 1903
NCBITaxon:230521
SOURCE_ASSERTION mibig:BGC0001126 PMID:24180436

Occurrences 6

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.

TaxonSourceReference
Fischerella
NCBITaxon:1190
LOTUS DOI:10.1021/NP060495R
Fischerella
NCBITaxon:1190
LOTUS DOI:10.1021/NP060495R.S001
Hapalosiphon delicatulus
NCBITaxon:210996
LOTUS DOI:10.1021/NP9801561
Fischerella ambigua
NCBITaxon:56108
LOTUS DOI:10.1021/JO00029A014
Fischerella ambigua
NCBITaxon:56108
LOTUS DOI:10.1021/NP800751J
Fischerella ambigua
NCBITaxon:56108
CYANOMETDB DOI:10.1021/jo00029a014

Biosynthetic gene clusters 1

AccessionHostLocus evidenceGenome
mibig:BGC0001126 Fischerella ambigua UTEX 1903
NCBITaxon:230521
CLUSTER_DEMONSTRATED genbank:KF664586.1

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

PRODUCERS & OCCURRENCE 1 producer (0 causal) 6 cited occurrences BIOSYNTHETIC LOCUS 1 gene cluster 0 curated pathway steps NATURAL PRODUCT ambiguine A isonitrile naturalproductmech:mibig-a033f9fea7 Alkaloids TARGETS & BIOACTIVITY 0 molecular targets 0 bioactivities · 0 graphs

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Provenance

Source conceptSourceVersion
BGC0001126MIBIG4

This page is generated from data/natural_products/alkaloids/ambiguine-a-isonitrile.yaml, which is generated from the committed inventories. Neither is edited by hand.