>3f9bA (A:) observed residues (from ATOM records)
spygpearaelssrlttlrntlapatndprylqacggeklnrfrdiqcrrqtavradlna
nyiqvgntrtiacqyplqsqleshfrmlaenrtpvlavlassseianqrfgmpdyfrqsg
tygsitveskmtqqvglgdgimadmytltireagqktisvpvvhvgnfpdqtavssevtk
alaslvdqtaetkrnmyeskgssavaddsklrpvihcragvgrtaqligamcmndsrnsq
lsvedmvsqmrvqrngimvqkdeqldvliklaegqgrpllns