1.4.99.6 7 8 both methylene blue and 2,6-dichlorophenolindophenol specific enzymes 394974 1.4.99.6 8 - - 695533 1.4.99.6 8 - optimal pH and assay at 705545 1.4.99.6 8.7 - assay at 705583, 748083 1.4.99.6 10.5 - pH-optimum for D-leucine synthesisin glycine-KOH buffer 724092