>sp|P61820|CBIT_METMP Probable cobalt-precorrin-6B C(15)-methyltransferase (decarboxylating) OS=Methanococcus maripaludis GN=cbiT MIQDSEFFRMEGVPITKEEIRAVSIGKLNLDPEDVVLDIGCGSGGMSVEISKRSKFVYSI DNSEDAKNTTLNNLKKFNVENCTVSLGNAEDLISKFDFNKVFIGGTQNIEQILEILKEKN IERIVVNTIVLENSVKIINKFEELGYNVDFVNVSVSYGKKINSGHIMLSKNPITIITATL K