>2r6kA (A:) observed residues (from ATOM records)
aekpklhyfnargrmestrwllaaagvefeekfiksaedldklrndgylmfqqvpmveid
gmklvqtravlnyiaskynlygkdikeralidmyiegiadlgemilllpvcppeekdakl
alikekiknryfpafekvlkshgqdylvgnklsradihlvellyyveeldsslissfpll
kalktrisnlptvkkflqpgsprkppmdeksleearkifrf