2.3.1.47 pyridoxal 5'-phosphate high concentrations 32 2.3.1.47 Pyruvic acid - 1725 2.3.1.47 Semicarbazide - 382 2.3.1.47 trifluoroalanine binding structure, irreversible suicide inhibition of the enzyme, involves decarboxylative defluorination of the inhibitor-PLP aldimine followed by attack of the conjugated imine by the amino group of the active site lysine to afford a covalently bound difluorinated intermediate, which can subsequently undergo further HF losses and hydrolysis to afford a 2-(pyridoximine phosphate) acetoyl protein adduct 135410 2.3.1.47 triphenyltin acetate herbicidal activity (foliar treatment) under greenhouse conditions 87742 2.3.1.47 triphenyltin acetate - 87742 2.3.1.47 Zn2+ weak 14