>sp|Q7V2C9|RBS_PROMP Ribulose bisphosphate carboxylase small subunit OS=Prochlorococcus marinus subsp. pastoris GN=cbbS MPFQSSVGDYQTVATLETFGFLPPMTQEEIYDQIAYIIAQGWSPVIEHVHPSGSMQTYWS YWKLPFFGEKDLNLVVSELEACHRAYPDHHVRIIGYDAYTQSQGTAFAVFQGR