GO:0045157 - electron transporter, transferring electrons within the noncyclic electron transport pathway of photosynthesis activity GO:0008266 - poly(U) RNA binding GO:0050660 - flavin adenine dinucleotide binding GO:0045156 - electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity GO:0050661 - NADP binding GO:0004324 - ferredoxin-NADP+ reductase activity GO:0016491 - oxidoreductase activity GO:0005515 - protein binding