glycyl-L-lysine(out) + 2 H(+)(out) <=> glycyl-L-lysine(in) + 2 H(+)(in)
glycyl-l-lysine(out) + 2 h(+)(out) <=> glycyl-l-lysine(in) + 2 h(+)(in)
glycyl-L-lysine(out) + 2 H(+)(out) <=> glycyl-L-lysine(in) + 2 H(+)(in)
glycyl-l-lysine(out) + 2 h(+)(out) <=> glycyl-l-lysine(in) + 2 h(+)(in)