ABBREVIATIONS
FAD, flavin adenosine dinucleotide; FADH-, the anionic
form of reduced FAD; D1, Catalytic distance, i.e., the distance between
substrate αC-H and FAD N(5); KPI , Product
inhibition constant; KIV, α-keto valine; KMTB,
α-Keto-γ-methylthiobutyric acid; epPCR, error-prone polymerase chain
reaction.