>3kxsD (D:) observed residues (from ATOM records) mdidpykefgatvellsflpsdffpsvrdlldtaaalyrdalespehcsphhtalrqail cwgdlmtlatwvgtnledpasrdlvvsyvntnvglkfrqllwfhiscltfgretvleylv sfgvwirtppaarppnapils