The formation of betalamic acid and muscaflavin by recombinant dopa-dioxygenase from Amanita
作者:Lukas A. Mueller、Ursula Hinz、Jean-Pierre Zryd
DOI:10.1016/s0031-9422(96)00625-5
日期:1997.2
anine (DOPA) to betalamicacid in the key reaction of betalain biosynthesis. In this work, we re-examined the reactivity of DOPA-dioxygenase using a cDNA clone encoding active DOPA-dioxygenase the kinetic parameters of which were comparable to those of the native enzyme. Using l -DOPA as a substrate, the enzyme catalysed the formation of two products. In addition to betalamicacid, the enzyme also