>sp|A5UJR5|CBIT_METS3 Probable cobalt-precorrin-6B C(15)-methyltransferase (decarboxylating) OS=Methanobrevibacter smithii GN=cbiT MLNDMDFIKTCDVPGPTKEAIRAIILYKSAVTPNDEVVDVGCGTGGITCEFAQRAKKVTS IDTNPDAISVTKQNLEKFNLGDNVELINDSGSNALKNIDNMDIAVVGGSGRELEDILEII DSKLNPKGRIIVTAILVDTKIEAINKLKKLNYNPKIMEVNISNGRVLDRGVMMISENPIA IISANKR