>4r57K (K:) observed residues (from ATOM records)
nsqltlralergdlrfihnlnnnrnimsywfeepyesfdeleelynkhihdnaerrfvve
daqknliglvelieinyihrsaefqiiiapehqgkgfartlinraldysftilnlhkiyl
hvavenpkavhlyeecgfveeghlveeffingryqdvkrmyilqskylnr