1.2.1.26 6 - assay at 715548 1.2.1.26 7.5 - assay at 719837 1.2.1.26 7.8 - - 719837 1.2.1.26 8 - assay at 763713, 763717 1.2.1.26 8.5 - 2,5-dioxopentanoate + NADP+ 288177