>tr|Q46LY6|Q46LY6_PROMT Carboxysome shell protein CsoS1 OS=Prochlorococcus marinus GN=PMN2A_1878 MASETMGIALGMIETRGLVPAIEAADAMTKAAEVRLIGREFVGGGYVTVLVRGETGAVNA AVRAGADACERVGDGLVAAHIIARPHREVEPALGNGNFLGQKD