L-alanyl-L-leucyl-L-alanine(out) + H(+)(out) <=> L-alanyl-L-leucyl-L-alanine(in) + H(+)(in)
l-alanyl-l-leucyl-l-alanine(out) + h(+)(out) <=> l-alanyl-l-leucyl-l-alanine(in) + h(+)(in)
L-alanyl-L-leucyl-L-alanine(out) + H(+)(out) <=> L-alanyl-L-leucyl-L-alanine(in) + H(+)(in)
l-alanyl-l-leucyl-l-alanine(out) + h(+)(out) <=> l-alanyl-l-leucyl-l-alanine(in) + h(+)(in)