>3n1fB (B:) SEQRES residues
gsgpgpgrvvgsrrrpprklvplaykqfspnvpektlgasgryegkiarsserfkeltpn
ynpdiifkdeentgadrlmtqrckdrlnslaisvmnqwpgvklrvtegwdedghhseesl
hyegravdittsdrdrnkygllarlaveagfdwvyyeskahvhcsvkse