>sp|P0A328|CSOS1_PROMA Carboxysome shell protein CsoS1 OS=Prochlorococcus marinus (strain SARG / CCMP1375 / SS120) OX=167539 GN=csoS1 PE=3 SV=1 MANETMGIALGMIETRGLVPAIEAADAMTKAAEVRLIGREFVGGGYVTVLVRGETGAVNA AVRAGADACERVGDGLVAAHIIARPHREVEPALGNGNFLGQKD