>sp|C0QRW6|HIS4_PERMH 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Persephonella marina GN=hisA MGLRSFVIPAVDIKDGKAVRLYKGDPEAVTVYGDDPVSVAKQWEEKGAKHLHIVDLDGAF EGKPKNIDIVKDIVKTVSIPVEFGGGLRSFEAVKSIVETGVERVVIGSLAYQNRQEFERI VSAYPGKVIVGIDAKDGKVAIKGWLEKTEYTPLDFARMFDDLDIWGFLYTDVNRDGAMVG PNIEGTKYLAQNLKHPVIASGGVGSVEDLKKLYDLKKYGVYGVVVGKALYEGKIKLEQLE D