>sp|O27199|PYRC_METTH Dihydroorotase OS=Methanothermobacter thermautotrophicus GN=pyrC MFDLSLENCRVDRDLTVNIGVDDGKIVQISRGRIDASEKIDLKGYFVLPGLIDAHVHFRD PGLEYKEDFRTGSMAAAHGGFSTVLDMPNTVPPADNAAEFERKIRIGERKSVVDFGLHAG FRSVSDVKGILRFMPASFKVFMDLTGISTVDGLFRELKDLSAPVPVTVHCENRDVVMKSM KELKDRSDPSAYALARPPLAEEVSVAEVLALSIHHEHPVHICHLSTVKALQLVEPFREYV TCEVTPHHLLLDSGAFRRFGTMVKTNPPLRPPESRIYPEFLDRINIIGTDHAPHGIEEKR KGIWDAPPGIPNLEVVLKLLLTLVSKGRMSLSTIRRMLAEEPARIFGLRSKGRIAEGMDA DFTVIDLKETGRIRSDEFYSKAHYTPFEGFSYTGGPVMTIVRGRAVMRDGEVLEGNGRYI PAEHDGKHGSA