>sp|Q58973|CBIF_METJA Cobalt-precorrin-4 C(11)-methyltransferase OS=Methanocaldococcus jannaschii GN=cbiF MDNNRKVIIVGAGPGDPELITIKGKKAIEEADVIIYAGSLVNEKLLEYNKKNAEIYNSAN MNLEEIIDVMVKAVNQGKKVVRLHTGDPSIYGAIKEQIDELSKYGIDVEIIPGVSSLFAA TASLKVELTLPEVSQTVIITRPEGRTPMPEKEKLRDLAKHQSTMAIFLGVSMIDKVVKEL IEGGYREETPVAVVYHASWDDEKIVRGTLKDIAEKVKKEGIKKTALIIVGEVLNPKYYAY SKLYDKNFEHEYRKSHKKF