>sp|O26325|CPGS_METTH Cyclic 2,3-diphosphoglycerate synthetase OS=Methanothermobacter thermautotrophicus GN=cpgS MFMKATETMICLVDGEHYLPVTRAAVETLDSMEHIDVKALIFIGGTEKLRTSSPEEYTEI MGRPVHFGDDPHRIPYKLIGELIRKYGADTVMDLSDEPVLDYSKRFRIASVVLGEGAVYR GPDFEFQPLTEYDILEKPSLKILGTGKRIGKTAVSAYAARLIHERQYNPCVVAMGRGGPE EPEIVHGDRIEITPEFLMEQSDKGVHAASDHWEDALMSRILTVGCRRCGGGMVGDVFITN MKRGAETANRLDADFVILEGSGAAIPPVKSNRHIVLVGANQPLINIKNFFGPFRIGLADL VIVTMCEEPMAGDEKVREIVDFIESINPEAEVITTVFRPKPLGEIEGKNVLFATTAPDSV KDLLVEYLESEYSCRVVGTTPHLSNRPLLQRDIERYIEDADVMLTELKAAAVDVATKDAL EAGLEVIYCDNIPVVRDGAQDELDDAIISVVERAIADFNLRKTP