>1fv3B (B:) observed residues (from ATOM records)
knldcwvdneedidvilkkstilnldinndiisdisgfnssvitypdaqlvpgingkaih
lvnnessevivhkamdieyndmfnnftvsfwlrvpkvsashleqygtneysiissmkkhs
lsigsgwsvslkgnnliwtlkdsagevrqitfrdlpdkfnaylankwvfititndrlssa
nlyingvlmgsaeitglgairednnitlkldrcnnnnqyvsidkfrifckalnpkeiekl
ytsylsitflrdfwgnplrydteyylipvassskdvqlknitdymyltnapsytngklni
yyrrlynglkfiikrytpnneidsfvksgdfiklyvsynnnehivgypkdgnafnnldri
lrvgynapgiplykkmeavklrdlktysvqlklyddknaslglvgthngqigndpnrdil
iasnwyfnhlkdkilgcdwyfvptdegwtnd