endopyrrole A
naturalproductmech:mibig-3749610d08 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REVIEWED records curator sign-off on identity, structure, filing class and producer claims; DEPRECATED retains a superseded or out-of-scope record.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 | KRMWEQCPKUMYBI-DKKFUSLWSA-N |
|---|---|
| SMILES | CC(C)[C@H](NC(=O)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)C1=CC=C[NH]1)C(C)C)C(=O)N[C@@H](C(=O)N[C@@H]1C(=O)N[C@H](CO)C(=O)N[C@@H](CC2=CC=C(O)C=C2)C(=O)N[C@@H](CC2=CC=C(O)C=C2)C(=O)O[C@@H]1C)C(C)C |
| Stereochemistry | fully defined |
| Cross-references | npatlas:NPA032899 |
Filing pathway
Unclassified — 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 nrps, from MIBiG.
Producer organisms 2
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 |
|---|---|---|---|
| Mycetohabitans rhizoxinica HKI 454 NCBITaxon:882378 |
BGC_CHARACTERIZED | mibig:BGC0002048 | PMID:21131495 |
| Mycetohabitans rhizoxinica NCBITaxon:412963 |
BGC_CHARACTERIZED | mibig:BGC0002326 | PMID:31283172 |
Occurrences 1
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 |
|---|---|---|
| Burkholderia rhizoxinica NCBITaxon:412963 |
LOTUS | DOI:10.1021/ACSCHEMBIO.9B00406 |
Biosynthetic gene clusters 2
| Accession | Host | Locus evidence | Genome |
|---|---|---|---|
| mibig:BGC0002048 | Mycetohabitans rhizoxinica HKI 454 NCBITaxon:882378 |
CLUSTER_DEMONSTRATED | genbank:FR687359.1 |
| mibig:BGC0002326 | Mycetohabitans rhizoxinica NCBITaxon:412963 |
CLUSTER_DEMONSTRATED | genbank:MN081797.1 |
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.
Biosynthesis curated
Written by a curator with claim-level evidence on each step; not derived from a source. This is what the rest of the record exists to support.
| Step | Enzyme | Reaction | Substrate → product | Evidence |
|---|---|---|---|---|
| 1 | EpyD UniProtKB:A0A6G7BMN0 |
ungrounded → ungrounded | DOI:10.1021/ACSCHEMBIO.9B00406 |
Step 1: This curates Mycetohabitans rhizoxinica HKI454 MN081797.1 epyD/endopyrrole NRPS A as a proposed protein contributor to endopyrrole A nonribosomal-peptide assembly. The epy cluster is characterized for endopyrrole A production, but individual EpyD module substrates and products are left unexpanded.
Mechanism & Biosynthesis Overview
Causal graph — biosynthesis 3 nodes, 2 edges
Partial Mycetohabitans rhizoxinica HKI454 endopyrrole A biosynthesis graph for the proposed EpyD NRPS assembly contribution from MN081797.1.
| Subject | Predicate | Object | Notes | Evidence |
|---|---|---|---|---|
| EpyD | contributes to | endopyrrole NRPS assembly | EpyD is curated as a proposed NRPS contributor from the MN081797.1 endopyrrole cluster; this edge does not assert individual module substrates or products. | DOI:10.1021/ACSCHEMBIO.9B00406 |
| endopyrrole NRPS assembly | contributes to | endopyrrole A | The epy cluster is characterized for exact endopyrrole A production, but this partial graph leaves the full endopyrrole A assembly order tentative. | DOI:10.1021/ACSCHEMBIO.9B00406 |
Every edge carries its own citation; an uncited edge is refused by the corpus tests.
Explore across X-Mech
Open questions 1
shared-structure — This structure is reported by more than one MIBiG entry: BGC0002048, BGC0002326. Confirm they describe the same compound rather than an upstream cross-reference error.
Provenance
| Source concept | Source | Version |
|---|---|---|
| BGC0002048 | MIBIG | 3 |
| BGC0002326 | MIBIG | 2 |
This page is generated from data/natural_products/unclassified/endopyrrole-a.yaml, which is generated from the committed inventories. Neither is edited by hand.