purD Phosphoribosylamine--glycine ligase spr0052 Phosphoribosylglycinamide synthetase PUR2_STRR6 MKLLVVGSGGREHAIAKKLLESKDVEKVFVAPGNDGMTLDGLELVNISISEHSKLIDFAKTNDVAWTFIGPDDALAAGIVDDFNQAGLKAFGPTRAAAELEWSKDFAKEIMVKYGVSTAAYGTFSDFEEAKAYIEKHGAPIVVKADGLALGKGVVVAETVEQAVEAAHEMLLDNKFGDSGARVVIEEFLEGEEFSLFAFVNGDKFYIMPTAQDHKRAYDGDKGPNTGGMGAYAPVPHLPQSVVDTAVDTIVKPVLEGIIKEGRPYLGVIYAGLILTADGPKVIEFNSRFGDPETQIILPRLTSDFAQNITDILDGKEPNIMWTDKGVTLGVVVASKGYPLDYERGVELPAKTEGDVITYYAGAKFAENSRALLSNGGRVYMLVTTADTVKEAQASIYQELSQQKIEGLFYRTDIGSKAIK Glycinamide ribonucleotide synthetase GARS 420