GlcN6P deaminase NAGB_STRR6 Catalyzes the reversible isomerization-deamination of glucosamine 6-phosphate (GlcN6P) to form fructose 6-phosphate (Fru6P) and ammonium ion (By similarity). Glucosamine-6-phosphate isomerase Glucosamine-6-phosphate deaminase 235 nagB spr1272 MKVIKVENQVQGGKVAFEILKEKLANGAQTLGLATGSSPLEFYKEIVESNLDFSNLTSVNLDEYVGLDGDNPQSYRYFMQENLFNQKPFKESFLPRGVKDNAEAEVERYNQILADHPVDLQILGIGRNGHIGFNEPGTPFDSQTHLVELDQSTIEANARFFAKIEDVPTQAISMGIKNILDAKSIILFAYGESKAEAIAGTVSGPVTENLPASSLQNHPDVTIIADAEALSLLEK