4.2.1.34 6.5 7 in presence of Cys 5668 4.2.1.34 6.9 - assay at 749072 4.2.1.34 8 - assay at 746828 4.2.1.34 8 8.5 in presence of 2-mercaptoethanol 5668 4.2.1.34 8.2 8.5 - 5665 4.2.1.34 8.5 - with mesaconate as substrate 5667 4.2.1.34 8.7 - with fumarate as substrate 5667 4.2.1.34 9 - S-malate as substrate 5667 4.2.1.34 9.1 - with S-citramalate as substrate 5667