1.14.16.4 6.4 - in the presence of 0.2 mM Fe2+ and 2-mercaptoethanol 438664 1.14.16.4 6.8 - in the presence of 0.2 mM Fe2+, without 2-mercaptoethanol 438664 1.14.16.4 7 - - 704354 1.14.16.4 7 - assay at 675511, 684993, 688765, 689869 1.14.16.4 7.2 - - 438661 1.14.16.4 7.2 - in the presence of 35.5 mM 2-mercaptoethanol 438664 1.14.16.4 7.4 - assay at 688504 1.14.16.4 7.5 - assay at 688501, 688946 1.14.16.4 7.6 - - 438662 1.14.16.4 7.6 - tryptophan hydroxylase form I 438656 1.14.16.4 7.6 - without 2-mercaptoethanol and Fe2+ 438664 1.14.16.4 8 - - 438671 1.14.16.4 8 8.5 soluble enzyme from brain 438666