>6SCR_1|Chains A, B|Carbon dioxide-concentrating mechanism protein CcmK homolog 4|Synechocystis sp. (strain PCC 6803 / Kazusa) (1111708) MAHHHHASGENLYFQGAMAAQSAVGSIETIGFPGILAAADAMVKAGRITIVGYIRAGSARFTLNIRGDVQEVKTAMAAGIDAINRTEGADVKTWVIIPRPHENVVAVLPIDFSPEVEPFREAAEGLNRRA