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Quarantine ΔMass ✓ Cyclization

OC

Peucedanum praeruptorum

Apiaceae

Substrate reaction site Product reaction site MCS substructure diff highlighting · RDKit atom mapping
Substrate
Osthenol
PubChem ↗ CC(=CCC1=C(C=CC2=C1OC(=O)C=C2)O)C
OC
ΔMass: +15.9949 Da fallback:~+16 Da (羟基化/氧化)
Product
Columbianetin
PubChem ↗ CC(C)([C@@H]1CC2=C(O1)C=CC3=C2OC(=O)C=C3)O

Evidence trail

Excerpts are machine-extracted plain text for biochemical provenance. Follow DOI / PubMed links for the primary literature; publisher figures and PDF images are not displayed here.

Source text excerpt ization; ization; OC activity confirmed for Branch C genes; e.g., Pp9.2436-37 (PpOC) from P. praeruptorum in E. coli assays.

Reaction & quality gates

Mechanism
Hydroxylation (+15.99 Da)
Evidence type
In vitro
Confidence
High
Data tier
Quarantine
PDF audit quarantine (enzyme_miss_in_pdf;two_core_fields_in_text;review_structured_partial_core). pdf=39127760.pdf; enzyme_in_pdf=miss; issue=review_structured…
Substrate class
Other
Product class
Other

Literature & public identifiers

PubMed
PMID:39127760 ↗
DOI
10.1038/s41467-024-51285-x ↗
UniProt
E0CWA3 ↗
GenBank
NCBI TaxID
1868705 ↗

The gradual establishment of complex coumarin biosynthetic pathway in Apiaceae.