>sp|P73407|CCMK4_SYNY3 Carboxysome shell protein CcmK4 OS=Synechocystis sp. GN=ccmK4 MSAQSAVGSIETIGFPGILAAADAMVKAGRITIVGYIRAGSARFTLNIRGDVQEVKTAMA AGIDAINRTEGADVKTWVIIPRPHENVVAVLPIDFSPEVEPFREAAEGLNRR