>sp|B3EP24|BCHB_CHLPB Light-independent protochlorophyllide reductase subunit B OS=Chlorobium phaeobacteroides GN=bchB MRLAFWLYEGTALHGLSRVTNSMKNVHTVYHAPQGDDYITATYTMLERTPEFPALSISVV RGQDLARGVSRLPGTLQQVEEHYHPEVIVVAPSCSTALLQEDLSQLSMHSGVDTGKILVH DVNPFRVQEHESAEGLFTGLVKRYALEQSTTEKPSVNLLGFTSLGFHLRSDLISLRRILK TLGVEVNVVAPWGAGIEDLRNLPAGWVNVVPYHEMGPGAAHHLREKFGMPSLQGIPMGVN PTLDWIRDLLELLNVIAAEKGLPSIEMPPLTDFSLDGLSAPSGVPWFARTADMESFSGKR AFVFGDATHTVGMVKFLKDELGMQIIGAGTYLEQHADWIRDQLEGYLPVPLMVTDKFQEV AKKIEDEMPELVCGTQMERHSCRKLDVPCMVISTPTHIENHLIGYYPILGFDGADILADR VYTSCKLGLEKHLIDFFGDAGLEYEEEEPESISNGHAAAAGSEGGVPDSGEAGDAGDTDG MPWSPDAEKMLRKVPFFVRKKVRKNTENFARENGEATITAEVFKRAKEALGG