Phaseolin is a

prenylated Prenylation (also known as isoprenylation or lipidation) is the addition of hydrophobic molecules to a protein or a biomolecule. It is usually assumed that prenyl groups (3-methylbut-2-en-1-yl) facilitate attachment to cell membranes, similar to ...

pterocarpan found in

French bean Green beans are young, unripe fruits of various cultivars of the common bean ('' Phaseolus vulgaris''), although immature or young pods of the runner bean (''Phaseolus coccineus''), yardlong bean ( ''Vigna unguiculata'' subsp. ''sesquipedalis ...

(''Phaseolus vulgaris'') seeds and in the stems of '' Erythrina subumbrans''.Antibacterial Pterocarpans from Erythrina subumbrans. Thitima Rukachaisirikul, Phongsak Innok, Nuntana Aroonrerk, Woraluk Boonamnuaylap, Saranya Limrangsun, Chanakan Boonyon, Umpawan Woonjina and Apichart Suksamrarn, Journal of Ethnopharmacology, Volume 110, Issue 1, 1 March 2007, Pages 171-175,

References

Pterocarpans Heterocyclic compounds with 5 rings {{aromatic-stub