>4ffkA (A:) observed residues (from ATOM records)
svvslkryelpplpynydalepiisaetlryhhdkhhlgyvnganaaldklekylngqlt
didvravsrdfefnygghilhtlywlnmapkgkgggtpggaigdainkffgsfdkfkklf
gdaaknvegvgwailaydpvtgdlrilqvekhnnvvttnlipllavdvfehayyidyrnd
rakyvdswwdlinwddvearyqkalntpklil