1.4.7.1 E1013A dramatically lowered activity 687217 1.4.7.1 E1013D dramatically lowered activity 687217 1.4.7.1 E1013N dramatically lowered activity 687217 1.4.7.1 H1144Q ratio between the ferredoxin-dependent and the methyl viologen-dependent GOGAT activities is decreased by 18.7fold 763549 1.4.7.1 L1270F retains wild type activity, in vivo: reduced mitochondrial serine hydroxymethyltransferase activity 700740 1.4.7.1 M1K targeted to the mitochondrion 700740 1.4.7.1 M3I targeted to the chloroplast 700740 1.4.7.1 additional information C6410T was found in a photorespiratory mutant, retains wild type activity, in vivo: reduced mitochondrial serine hydroxymethyltransferase activity 700740 1.4.7.1 additional information knockout mutant glu1-2, with a T-DNA insertion in the Fd-GOGAT1, lacks expression of Fd-GOGAT1, transcriptional profiling of glu1-2 showing activation of multiple stress responses, mimicking cold, heat, drought and oxidative stress, overview. NMR analysis of glu1-2 mutant leaves and roots reveal differences in amino acid contents compared to the wild-type, overview 711597 1.4.7.1 additional information residues Gln467, His1144, Asn1147, Arg1162, and Trp676 constitute key binding residues in the interface of a glutamate synthase:ferredoxin complex. All interfacial mutants studied are able to form a complex under low ionic strength, but show significantly less ferredoxin-dependent activities, while still retaining enzymatic activity 763549 1.4.7.1 N1147A ratio between the ferredoxin-dependent and the methyl viologen-dependent GOGAT activities is decreased by 47.4fold 763549 1.4.7.1 Q467A ratio between the ferredoxin-dependent and the methyl viologen-dependent GOGAT activities is decreased by 5.5fold 763549 1.4.7.1 R1162A ratio between the ferredoxin-dependent and the methyl viologen-dependent GOGAT activities is decreased by 4.7fold 763549 1.4.7.1 W676A ratio between the ferredoxin-dependent and the methyl viologen-dependent GOGAT activities is decreased by 6.7fold 763549 1.4.7.1 W676F ratio between the ferredoxin-dependent and the methyl viologen-dependent GOGAT activities is decreased by 7.9fold 763549