>3i6aA (A:) observed residues (from ATOM records) aekpklhyfngrgrmestrwllaaagvefeekfiksaedldklrndgylmfqqvpmveid gmklvqtrailnyiaskynlygkdikeralidmyiegiadlgemiimlpfcppeekdakl alikekiknryfpafekvlkshgqdylvgnklsradihlvellyyveeldsslissfpll kalktrisnlptvkkflqpgsprkpppdeiyvrtvynif