>sp|Q603K2|HIS4_METCA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Methylococcus capsulatus GN=hisA MLLIPAIDLKDGKCVRLRQGRMEDDTVFSDDPVAVAGRWVAAGARRLHLVDLDGAFAGKP RNAETIHAIREACPDVEIQVGGGIRDEETIQGYLNAGVDFVIIGTKAVSAPHFVSDVTAE FPNHIIIGLDARDGKVAIDGWSKLSHHDVIDLAQKFEADGVEAIIYTDISRDGMMGGVNI EATSRLARAIHIPVIASGGITTIDDIKALGEIVGDGVIGAITGRAIYEGTLDFAEGLKLA ETF