>5G3A_1|Chain A|PHOTOSYSTEM II MANGANESE-STABILIZING POLYPEPTIDE|THERMOSYNECHOCOCCUS ELONGATUS (197221) CPTLDDTARGAYPIDSSQTYRIARLCLQPTTFLVKENGEFVPTKLVTRETTSLDQIQGELKVNSDGSLTFVEEDGIDFQPVTVQMAGGERIPLLFTVKNLVASTQPNVTSITTSTDFKGEFNVNGTKGQISLNVAKVDGRTGEIAGTFESEQLSNGHEVKIQGVFYASIEPA