>sp|Q50757|HIS4_METTL 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Methanothermococcus thermolithotrophicus OX=2186 GN=hisA PE=3 SV=1 MIVIPAVDMKNGKCVQLIQGDPNKKHVELENPVEVAEKWVSEGAEMLHLVDLDGAIEGES VNRELIKEIIQTVNVPVQIGGGISVRCTESNLIEIGAKRIILGTVAVENPDIVEEISKKV GKEKVMVALDAKDGKVVIKGWKEKTKYTPVEMGKILEEKGAGSILFTNVNVEGLLTGMNV EPVETLVEELEIPVIASGGVTTIEDLIKLKAVGVEGVVVGSAIYKNLIDLKEAIKACR