>1xx9C (C:) observed residues (from ATOM records)
svqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggklenk
tlegwgydyyvfdkvsspvstrmacpdgkkekkfvtaylgdagmlrynsklpivvytpdn
vdvkyrvwkaeekidnavvr