>1b4sA (A:) SEQRES residues
mstnkvnkertflavkpdgvarglvgeiiaryekkgfvlvglkqlvptkdlaeshyaehk
erpffgglvsfitsgpvvamvfegkgvvasarlmigvtnplasapgsirgdfgvdvgrni
iggsdsvesanreialwfkpeelltevkpnpnlye