>sp|P72761|CCMK2_SYNY3 Carboxysome shell protein CcmK2 OS=Synechocystis sp. GN=ccmK2 MSIAVGMIETRGFPAVVEAADSMVKAARVTLVGYEKIGSGRVTVIVRGDVSEVQASVSAG IEAANRVNGGEVLSTHIIARPHENLEYVLPIRYTEEVEQFRTY