>sp|K9Y7V9|CCMK3_HALP7 Carboxysome shell protein CcmK3 OS=Halothece sp. GN=ccmK3 MPVAVGVIQTDGFPAVLAAADAMVKAASVTLVSFDKAERAQFYVAVRGPVSEVERSMEAG IAAAEETYNGTVITHYMIPNPPDNVETVMPIAYSDEVEPFRV