>sp|A4WJK1|SURE_PYRAR 5'-nucleotidase SurE OS=Pyrobaculum arsenaticum GN=surE MRILITNDDGVHSPGLRLLYEFASPLGAVDVVAPESPKSATGLGITLHKPLRMYETDLCG FKAVATSGTPSDTIYLAAYGLGRRYDLVLSGINLGDNTSLQVILSSGTLGAAFQAALLGI PAVAYSLHAQDWEEVLKNREALEIMKAVVQKSAEFVLKYGLPHGVDVVSINFPRNMKRGV KAKLVRAAKFRFAQKVDRRVDPRGSSYYWLYGTDLAPEPDTDVYTVLVEGQIAVTPLTLD LNALNTDRKLDAEALAKLVRYINEAI