>sp|Q9RFD6|BCHL_CERS4 Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein OS=Cereibacter sphaeroides GN=bchL MSPKDLTIPTGADGEGSVQVHLDEADKITGAKVFAVYGKGGIGKSTTSSNLSAAFSILGK RVLQIGCDPKHDSTFTLTGSLVPTVIDVLKDVDFHPEELRPEDFVFEGFNGVMCVEAGGP PAGTGCGGYVVGQTVKLLKQHHLLDDTDVVIFDVLGDVVCGGFAAPLQHADQAVVVTAND FDSIYAMNRIIAAVQAKSKNYKVRLAGCVANRSRATDEVDRFCKETNFRRLAHMPDLDAI RRSRLKKKTLFEMDEDQDVLAARAEYIRLAESLWRGLDPIDPHSLPDRDIFELLGFD