>sp|A7NJG0|BCHB_ROSCS Light-independent protochlorophyllide reductase subunit B OS=Roseiflexus castenholzii GN=bchB MRLALWMYQGTAHHGVGRIANSMRGVHAVFHAPQGDDYVNPIFTMLERTPDFPRMTTSIV SGRDLAQGTVRLPETLRQVDAQVQPDLIIVCASCSTILLQEDLERMAHSAGTRAETLVYD ANPYRMQEVRSADGLFTLLTQRFARSQPPTAVPSVNILGPASLGFHNRSDLICLRRMLAT LGVQVNVVAPLGASIRDLERLPAAWATIAPYRELGQNAARWLDEQFGVPALTDSPIGVQP TLRWLRRLVETLNDAGERLQRLTNPLRLPPLTAFSLDGMSAPSSVPWFARTADMESYSMK RAFVFGDATHTVGMVKFLRDELGMQIVGAGTYLEHEADWVRGELQDYLPADETGSIDTSF LVTEVFQDVARRIADLTPELVCGTQMERHACRKLDLPCMVIAPPTHIENHLLSYRPVLGF DGADVLADTVYTTATLGMEKHLIDMFGDAGLEYEEPRTERREAEFGNQKVETGEPGTGAP VIAHADSNGGVAGSSSTLAAQTVTASPRLVTPVWAPEAQAMLKKVPFFVRGRVQKNVERY AAQHGYATITAEILVEAKEALGG