N(alpha)-formyl-L-methionyl-L-leucyl-L-phenylalanine(in) + 2 H(+)(in) => N(alpha)-formyl-L-methionyl-L-leucyl-L-phenylalanine(out) + 2 H(+)(out)
n(alpha)-formyl-l-methionyl-l-leucyl-l-phenylalanine(in) + 2 h(+)(in) => n(alpha)-formyl-l-methionyl-l-leucyl-l-phenylalanine(out) + 2 h(+)(out)