>1usbA (A:) observed residues (from ATOM records) aekpklhyfnargrmestrwllaaagvefeekfiksaedldklrndgylmfqqvpmveid gmklvqtrailnyiaskynlygkdikeralidmyiegiadlgemilllpvcppeekdakl alikekiknryfpafekvlkshgqdylvgnklsradihlvellyyveeldsslissfpll kalktrisnlptvkkflqpgsprkppmdeksleehrkifr