>sp|P74564|PSAK2_SYNY3 Photosystem I reaction center subunit PsaK 2 OS=Synechocystis sp. GN=psaK2 MFNTALLLAQASPTTAGWSLSVGIIMCLCNVFAFVIGYFAIQKTGKGKDLALPQLASKKT FGLPELLATMSFGHILGAGMVLGLASSGIL