>1s5zB (B:) SEQRES residues
mstnkvnkertflavkpdgvarglvgeiiaryekkgfvlvglkqlvptkdlaeshyaehk
erpffgglvsfitsgpvvamvfegkgvvasarlmigvtnplasapgsirgdfgvdvgrni
ihgsdsvesanreialwfkpeelltevkpnpnlye