>sp|Q31BD0|PCYA_PROM9 Phycocyanobilin:ferredoxin oxidoreductase OS=Prochlorococcus marinus GN=pcyA MLSESLTKTKLTDPLILELLQNIREHRSMLEDLKSIKVDPELSNIISNEIGRELYIENEF HKARGFRKLHIEVAEFSKNLKILHCVFFPDPKFDIPIFGMDLVKINDIVSAAIVDLSPAS QNQGVKYEKFLSKVDKSSFTSLREIPKWGEIFSENVFFASLKSKSEENDFCKVVDEYLSI LIKLSKEAKPEFKEEIIKERKNYQKNYCVQQMKNEKTSMVLLKYFDEKWVNNYIKTVLFD F