1.4.1.13 molecular biology GltA shows 73% identity to the corresponding protein of Oceanobacillus iheyensis 674303 1.4.1.13 molecular biology GltB1 shows 74% identity to the corresponding protein of Oceanobacillus iheyensis 674303 1.4.1.13 molecular biology GltB2 shows 73% identity to the glutamate synthase of Geobacillus kaustophilus 674303 1.4.1.13 molecular biology sequence identity between Salmonella typhimurium and Escherichia coli GOGAT is 91%, Salmonella typhimurium GOGAT region can complement an Escherichia coli mutant defective in GOGAT 675329