>1y6lA (A:) observed residues (from ATOM records)
stsakriqkelaeitldpppncsagpkgdniyewrstilgppgsvyeggvfflditfspd
ypfkppkvtfrtriyhcninsqgvicldilkdnwspaltiskvllsicslltdcnpadpl
vgsiatqymtnraehdrmarqwtkryat