>3ZPN_1|Chains A, B, C, D|PHOTOSYSTEM II REACTION CENTER PSB28 PROTEIN|THERMOSYNECHOCOCCUS ELONGATUS (146786) MRGSHHHHHHGLVPRGSVGAMAEIQFIRGINEEVVPDVRLTRARDGSSGQAMFYFDNPKIVQEGNLEVTGMYMVDEEGEIVTRDVNAKFINGQPVAIEATYTMRSPQEWDRFIRFMDRYAASHGLGFQKSENS