>tr|A0A1Q1EUU9|A0A1Q1EUU9_9CYAN Photosystem I reaction center subunit IV OS=Prochlorococcus sp. RS01 GN=psaE MAISRGDLVRVKRPESYWYNEIGKVASVDTSGIKYNCVVRFDKVNYAGISGTDGGANTNN FAESELEKA