A: RetS (Regulator of Exopolysaccharide and Type III Secretion) C: RetS (Regulator of Exopolysaccharide and Type III Secretion) D: RetS (Regulator of Exopolysaccharide and Type III Secretion) B: RetS (Regulator of Exopolysaccharide and Type III Secretion) E: RetS (Regulator of Exopolysaccharide and Type III Secretion) F: RetS (Regulator of Exopolysaccharide and Type III Secretion) G: RetS (Regulator of Exopolysaccharide and Type III Secretion) H: RetS (Regulator of Exopolysaccharide and Type III Secretion) ヘテロ分子