SEQRES 1 E 43 LEU GLY TYR THR GLY LEU THR ASP GLU GLN ALA GLN GLU SEQRES 2 E 43 LEU HIS SER VAL TYR MET SER GLY LEU TRP LEU PHE SER SEQRES 3 E 43 ALA VAL ALA ILE VAL ALA HIS LEU ALA VAL TYR ILE TRP SEQRES 4 E 43 ARG PRO TRP PHE