>tr|A0A7J9PEW5|A0A7J9PEW5_METMI IMP cyclohydrolase OS=Methanococcus maripaludis GN=purO MYIGRFLVLGKTDEGNPFVTYRVSSRSFPNRVAKVMDDNTVAILPKDLEEMFKNPYITYN CVKLVGDVAIATNGSHTDIIADKIKLGLPIRDALSYSLLTMDYEKDDYNTPRIAVVLTKD SAYMGYVSENDVRIKKVELESGKAYYLSVYEACNITKHQVISVAGKTAEEVTKFVMDYEE FEKPVTAATVLLKDGFKLATL