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Quarantine mismatch Cyclization

TkOSC1

Taraxacum koksaghyz

Asteraceae

Substrate reaction site Product reaction site MCS substructure diff highlighting · RDKit atom mapping
Substrate
2,3-oxidosqualene
PubChem ↗ CC(=CCC/C(=C/CC/C(=C/CC/C=C(\C)/CC/C=C(\C)/CCC1C(O1)(C)C)/C)/C)C
TkOSC1
ΔMass: +0.0000 Da mismatch
Product
taraxasterol
PubChem ↗ C[C@H]1[C@@H]2[C@H]3CC[C@@H]4[C@]5(CC[C@@H](C([C@@H]5CC[C@]4([C…

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; Heterologous expression in Nicotiana benthamiana and Saccharomyces cerevisiae; product identified by GC-MS.

Reaction & quality gates

Mechanism
Cyclization
Evidence type
In vivo
Confidence
High
Data tier
Quarantine
non-CYP auxiliary enzyme (pathway partner, not cytochrome P450)
Substrate class
Other
Product class
Other

Literature & public identifiers

PubMed
PMID:30976052 ↗
DOI
10.1038/s41598-019-42381-w ↗
UniProt
MG646376 ↗
GenBank
MG646376 ↗
NCBI TaxID
333970 ↗

The enzymes OSC1 and CYP716A263 produce a high variety of triterpenoids in the latex of Taraxacum koksaghyz.