>sp|Q8U3M6|PUR5_PYRFU Phosphoribosylformylglycinamidine cyclo-ligase OS=Pyrococcus furiosus GN=purM MLTYAQAGVDEEKTSKALRFIIEAARKTFEFRKGKLGEPGDIGHYSALLDFGNYYLAITT DGVGTKVLVAEAVGKFDTIGIDMIAMNVNDLICVGAEPIALVDYFAIKEPNERVFEEVAK GLYKGAKEAGIAIVGGETAVMPDLVNGYDLAGTAIGIVEKDKVITGEKIRPGDAVIGISS SGIHSNGLTLARKLLIPKYGLDYEYESRKLWEWLLEPTRIYVKPILELLKSVEVHGLAHI TGGGLLNLKRITNYGFRLNMPPINGIFKLIHENGVPLEEMFRVFNMGVGFVVVVSQEDKE EALQILNRYYESFELGTVSERPGIIVENYGVKFI