>sp|Q9F715|BCHB_CHLTE Light-independent protochlorophyllide reductase subunit B OS=Chlorobaculum tepidum GN=bchB MRLAFWLYEGTALHGVSRVTNSMKGVHTVYHAPQGDDYITATYTMLERTPEFPKLSISVV RGQDLARGTSRLPGTVEQVDKHYKPELIVVAPSCSTALLQEDLGQMARASGVDQSKIMVY AVNPFRVAENEAAEGLFTELVRRFAAEQPKTEKPSVNLLGFTSLGFHLRSNLTSLRRMLK TLGIEVNVVAPWGAGIDDLKKLPAAWVNIAPFREIGCQAAGYLKEKFGMPSITEAPLGVN ATLRWLRAIIAEVNKIGAEKGMAPMAMPELRDFSLDGQSAPSSVPWFARTADMESFSNKR AFVFGDATQVVGVTKFLKDELGMKIIGAGTYLPKQADWVREQLEGYLPGELMVTDKFQEV SAFIEEEMPELVCGTQMERHSCRKLDVPCMVISAPTHIENHLLGYYPFFGFDGADVMADR VYTSAKLGLEKHLIDFFGDAGLEYEAEEPEAFTEPTMSGNGTVASVSSAEAPSEAAVVTA TATGELSWTAEAEKMLGKVPFFVRKKVRKNTDNYAREIGEPVVTADVFRKAKEHLGG