>sp|Q8R828|BUK2_CALS4 Probable butyrate kinase 2 OS=Caldanaerobacter subterraneus subsp. tengcongensis GN=buk2 MFKVLVINPGSTSTKVALYEDEKEIVRSDITHDVETLKNYKSVIEQLDLRLEAINKWLSE NGIKVLELSAIVVRGGLIKPVQSGTYVVNDIMLEDLRKGVGGEHPSNLGGIIGRALADPY GIPVYTLDPVAVDEMEDVARISGLPELPRKSQSHALNIKACIHRYARENNLKEEELNMIV AHMGGGISVAAIKGGRIVDVNNANQMGPFSPERTGSLPSMKVVEMCYSGKYTLEEMKKKI VGMGGLVAHLGTNDAREVVKRIEAGDKKAKLVFEAMAYQIAKEIGRMAAVLKGDVKTIIL TGGLAYSKPLIEIIIDMVGFIAPITLYPGGDEMEALRDGALRVLRGQETPKIYG