2.5.1.93 2-hydroxybenzoic acid 10% inhibition 5097 2.5.1.93 4-chloro-mercuriphenylsulfonic acid 0.1 mM, completely inhibits 4HB geranyltransferase activity 155456 2.5.1.93 caffeic acid 30% inhibition 426 2.5.1.93 catechol 89% inhibition 156 2.5.1.93 chlorogenic acid 20% inhibition 592 2.5.1.93 Digitonin - 1615 2.5.1.93 homogentisic acid 93% inhibition 30076 2.5.1.93 hydroquinone 98% inhibition 442 2.5.1.93 iodoacetamide 10 mM, completely inhibits 4HB geranyltransferase activity 67 2.5.1.93 additional information blue light effectively represses the PHB geranyltransferase activity 2