TABLE 1 

BCAA transporters

OrganismTransporterEnergy sourceSpecificityaReference(s)
Gram-negative bacteria
    Chlamydia trachomatisLIV-II (brnQ)PMFbILV156
    Escherichia coliLIV-I (livKHMGF)ATPL108–110, 157
LIV-I (livJHMGF)ATPILV
LIV-II (brnQ)PMFILV
    Francisella tularensisilePPMFI114
    Pseudomonas aeruginosaLIV-IATPILV158–162
LIV-II (braB)PMFILV
LIV-III (braZ)PMFILV
    Salmonella TyphimuriumLIV-IATPILV111, 163–166
LIV-II (brnQ)PMFILV
LIV-IIPMFILV
 
Gram-positive bacteria
    Bacillus subtilisbcaPPMFILV118
braBPMFILV
brnQPMFILV
    Corynebacterium glutamicumbrnQPMFILV122
    Lactobacillus delbrueckiibrnQPMFILV121
    Lactococcus lactisbrnQPMFILV116, 117
bcaPPMFILV
    Staphylococcus aureusbrnQ1PMFILV107, 119
brnQ2PMFI
brnQ3NAcNA
bcaPPMFILV
    Streptococcus pneumoniaelivAJHMGFATPILV120
  • a I, isoleucine; L, leucine; V, valine.

  • b PMF, proton motive force.

  • c NA, not applicable.