Incubation of [18O2]valine with purified ACV synthetase from Cephalosporium acremonium gave exclusive incorporation of a single 18O label into δ-(L-α-aminoadipoyl)-L-cysteinyl-D-valine (ACV), consistent with the formation of a covalent valinoyl-ACV synthetase complex.
[ 18 O 2 ]缬
氨酸与顶头孢霉的纯化ACV合成酶一起孵育,将单个18 O标记独家掺入δ-(L -α-
氨基己二酰基)-L-半胱
氨酰-
D-缬氨酸(ACV)中,与形成过程一致价戊酰-ACV合成酶复合物的合成。