>1v7bB (B:) observed residues (from ATOM records)
tskkemilrtaidyigeysletlsydslaeatglsksgliyhfpsrhalllgmhelladd
wdkelrditrdpedplerlravvvtlaenvsrpellllidapshpdflnawrtvnhqwip
dtddlendahkravylvqlaadglfvhdyihddvlskskrqamletilelip