4.4.1.17 additional information - activity is independent of a potential across the inner mitochondrial membrane generated by N,N,N',N'-tetramethyl-p-phenylenediamine/ascorbate, requires an unidentified cytosolic factor 94057 4.4.1.17 additional information - enzyme activity increases after solubilization from the membrane with Triton X-100 94055 4.4.1.17 additional information - method for determination of activity by HPLC 651895