>4nczC (C:) observed residues (from ATOM records)
qltlralergdlrfihnlnnnrnimsywfeepyesfdeleelynkhihdnaerrfvveda
qknliglvelieinyihrsaefqiiiapehqgkgfartlinraldysftilnlhkiylhv
avenpkavhlyeecgfveeghlveeffingryqdvkrmyilqskylnrse