>tr|A0A8I2BK46|A0A8I2BK46_PROMR Photosystem I reaction center subunit IV OS=Prochlorococcus marinus str. XMU1401 GN=psaE MAISRGDLVRVKRPESYWYNEIGKVASVDTSGIKYNCVVRFDKVNYAGISGTDGGANTNN FAESELEKA