>1pkzA (A:) observed residues (from ATOM records)
aekpklhyfnargrmestrwllaaagvefeekfiksaedldklrndgylmfqqvpmveid
gmklvqtrailnyiaskynlygkdikeralidmyiegiadlgemilllpvcppeekdakl
alikekiknryfpafekvlkshgqdylvgnklsradihlvellyyveeldsslissfpll
kalktrisnlptvkkflqpgsprkppmdekslee