>6htxD (D:) observed residues (from ATOM records)
mdidpykefgatvellsflpsdffpsvrdlldtasalyrealespehcsphhtalrqail
cwgelmtlatwvgvnledpasrdlvvsyvntnmglkfrqllwfhiscltfgretvieylv
sfgvwirtppayrppnapilstlpettvvrr