>sp|A8G4P8|PSB28_PROM2 Photosystem II reaction center Psb28 protein OS=Prochlorococcus marinus GN=psb28 MTANKTAKIQFYEGTDEPVVPEIRLTRSKDGTTGQALFLFEKPQALSSITDGEITGMRMI DSEGEILTKEVKVKFVDGEPIYLEAVYIWKNSSDFDRFMRFANSYAKSNGLGYSEKK