>sp|B5YIB4|HIS4_THEYD 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Thermodesulfovibrio yellowstonii GN=hisA MQIIPAIDLKDGKCVRLRQGKFSEVTVYYDNPEDAALRWQNEGAEVLHVVDLDGAKEGKI GNLPSIKKIREAFRGNIEVGGGIRRIEDIELLLSVGIDRVIVGTIAVQSPDFVKEVCKRF PKKIIVGIDAKDGLVAVKGWVEVTEIRAIELALKMQDYGIWGIIYTDISRDGMLTGPNIE ATKALVESVKVPVIASGGVSSIEDIRKLAEIPQLWGVITGKAIYSGAIDLKEALRIIKGD GVKK