>1ifvB (B:) SEQRES residues
gvfafedehpsavaqaklfkaltkdsddiipkvieqiqsveivegnggpgtvkkitashg
ghtsyvlhkidaideasfeynysivggtgldeslekitfeskllsgpdggsigkikvkfh
tkgdvlsdavreeakargtglfkavegyvlanpny