>tr|I7KD59|I7KD59_METBM Precorrin-3B C17-methyltransferase OS=Methanoculleus bourgensis (strain ATCC 43281 / DSM 3045 / OCM 15 / MS2) OX=1201294 GN=cbiH PE=4 SV=1 MGVLLLQSRDNRGRLYIVSTGPGNLLHMTPRALKALGEAECVIGNGFYLDLVMPMLAGKE VIRSSMGREVDRAKKALALSEDRVVAMVSGGDAGIYGMASIVLEVAERSGTAVPVEVVPG ITAAVSAASRLGSPLSGDYVTMSLSDLLTPWEEIERRLDLAFQMRVPVVLYNPRSRGRPH NLGAAIGIARRHLPAETPVGVVRNAYREGEERLITTLGEFEDHFAFVDMHSIVFVGGEET RIWRDEGDERGIITPRGYHRKYVY