4.3.1.B2 7 - assay at 726939, 726941, 728731 4.3.1.B2 8 - assay at 726928, 727736, 728756 4.3.1.B2 8.5 - assay at 748148 4.3.1.B2 6 8 L-glutamine-dependent activity catalyzed by IGP synthase holoenzyme 726928 4.3.1.B2 8 9 ammonia-dependent activity catalyzed by HisF 726928