si_0946 Streptococcus_pneumoniae_Vancomycin_Tolerance_Locus ABC transporter membrane-spanning permease, Pep export, Vex1 si_0946 Streptococcus_pneumoniae_Vancomycin_Tolerance_Locus ABC transporter membrane-spanning permease, Pep export, Vex3 si_0946 Streptococcus_pneumoniae_Vancomycin_Tolerance_Locus ABC transporter, ATP-binding protein Vex2 si_0946 Streptococcus_pneumoniae_Vancomycin_Tolerance_Locus Sensor histidine kinase VncS si_0946 Streptococcus_pneumoniae_Vancomycin_Tolerance_Locus Two-component response regulator VncR