>sp|A0JVK7|HIS3_ARTS2 Phosphoribosyl-AMP cyclohydrolase OS=Arthrobacter sp. GN=hisI
MSEQPAPAPVPVLPAEVADALKRDAAGLVAAVVQQFDTNEVLMLGWMDDEALRRTMTSGR
VTFYSRSRQEYWRKGDTSGHVQWVKSVALDCDGDALLVRVDQVGAACHTGTRTCFDGRGL
PVVAGDAGAAGNAS