>sp|P21920|COBK_SINSX Precorrin-6A reductase OS=Sinorhizobium sp OX=42445 GN=cobK PE=1 SV=4 MAGSLFDTSAMEKPRILILGGTTEARELARRLAEDVRYDTAISLAGRTADPRPQPVKTRI GGFGGADGLAHFVHDENIALLVDATHPFAARISHNAADAAQRTGVALIALRRPEWVPLPG DRWTAVDSVVEAVSALGDRRRRVFLAIGRQEAFHFEVAPQHSYVIRSVDPVTPPLNLPDQ EAILATGPFAEADEAALLRSRQIDVIVAKNSGGSATYGKIAAARRLGIEVIMVERRKPAD VPTVGSCDEALNRIAHWLAPA