>sp|Q4ZZG6|HIS3_PSEU2 Phosphoribosyl-AMP cyclohydrolase OS=Pseudomonas syringae pv. syringae GN=hisI MKDWLDEIHWNSDGLVPAIAQDHKTGRVLMMAWMNREALSLTAAENRAIYWSRSRGKLWR KGEESGHVQKLHELRLDCDADVIILMVEQIGGIACHTGRESCFYRVYEKSGWKTVDPVLK DPDAIYPAGH