>sp|Q93TN0|PCYA_NOSS1 Phycocyanobilin:ferredoxin oxidoreductase OS=Nostoc sp. GN=pcyA MSLTSIPSLREQQHPLIRQLADCIEEVWHQHLDLSPYHLPAELGYVEGRLEGEKLTIENR CYQTPQFRKMHLELAKVGNMLDILHCVMFPRPEYDLPMFGCDLVGGRGQISAAIADLSPV HLDRTLPESYNSALTSLNTLNFSQPRELPEWGNIFSDFCIFVRPSSPEEEAMFLGRVREF LQVHCQGAIAASPVSAEQKQQILAGQHNYCSKQQQNDKTRRVLEKAFGVDWAENYMTTVL FDLPE