>tr|A0A6P1VKR4|A0A6P1VKR4_9SYNC Photosystem I reaction center subunit IV OS=Synechocystis sp. CACIAM 05 GN=psaE MALNRGDKVRIKRTESYWYGDVGTVASVEKSGILYPVIVRFDRVNYNGFSGSASGVNTNN FAENELELVQAAAK