>sp|Q2S296|HIS4_SALRD 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Salinibacter ruber GN=hisA MPLVIPAIDIRDGRCVRLHQGDYDNETVYFEDPVKMAKLWRVQNAQTLHVVDLDAARGEG EHNRDVIGKMCDALDIPIQLGGGIRSMDQIEAALDRGVYRVILGTAAVRNPDFVERAVEQ FSARRVVVSIDARDGEVRVQGWTEGSGLDAVAFAKDMEQRGVRRLVYTDISRDGTMDGPN IQAYRTLGRQLAHAKVTASGGVGEHDDLLDIQTLQPYGVDSVIVGTALYENRFPCQQFWA WQDKDAVDLDTFSTASLR