L-aspartyl-L-lysine(in) => L-aspartyl-L-lysine(out)
l-aspartyl-l-lysine(in) => l-aspartyl-l-lysine(out)
L-aspartyl-L-lysine(in) => L-aspartyl-L-lysine(out)
l-aspartyl-l-lysine(in) => l-aspartyl-l-lysine(out)