SEQRES 1 D 53 VAL LYS ALA ARG VAL TYR PRO PHE GLU ASP ASP VAL GLU SEQRES 2 D 53 VAL SER THR GLY ASP ARG VAL ALA PRO GLY ASP VAL LEU SEQRES 3 D 53 ALA ASP GLY GLY LYS VAL LYS SER ASP VAL TYR GLY ARG SEQRES 4 D 53 VAL GLU VAL ASP LEU VAL ARG ASN VAL VAL ARG VAL VAL SEQRES 5 D 53 GLU