>1yfoA (A:) observed residues (from ATOM records)
kypplpvdkleeeinrrmaddnklfreefnalpacpiqatceaaskeenkeknryvnilp
ydhsrvhltpvegvpdsdyinasfingyqeknkfiaaqgpkeetvndfwrmiweqntati
vmvtnlkerkeckcaqywpdqgcwtygnvrvsvedvtvlvdytvrkfciqqqrlitqfhf
tswpdfgvpftpigmlkflkkvkacnpqyagaivvhcsagvgrtgtfvvidamldmmhse
rkvdvygfvsriraqrcqmvqtdmqyvfiyqallehyly