>sp|P73406|CCMK3_SYNY3 Carboxysome shell protein CcmK3 OS=Synechocystis sp. GN=ccmK3 MPQAVGVIQTLGFPSVLAAADAMLKGGRVTLVYYDLAERGNFVVAIRGPVSEVNLSMKMG LAAVNESVMGGEIVSHYIVPNPPENVLAVLPVEYTEKVARFRT