COMPND MOL_ID: 1; COMPND 2 MOLECULE: Uridylate-specific endoribonuclease; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 EC: 3.1.-.-; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.61 ANGSTORMS DBREF 7KF4 F 1 346 UNP P0DTD1 R1AB_SARS2 6453 6798 SEQRES 1 F 158 LEU PRO GLU THR TYR PHE THR GLN SER ARG ASN LEU GLN SEQRES 2 F 158 GLU PHE LYS PRO ARG SER GLN MET GLU ILE ASP PHE LEU SEQRES 3 F 158 GLU LEU ALA MET ASP GLU PHE ILE GLU ARG TYR LYS LEU SEQRES 4 F 158 GLU GLY TYR ALA PHE GLU HIS ILE VAL TYR GLY ASP PHE SEQRES 5 F 158 SER HIS SER GLN LEU GLY GLY LEU HIS LEU LEU ILE GLY SEQRES 6 F 158 LEU ALA LYS ARG PHE LYS GLU SER PRO PHE GLU LEU GLU SEQRES 7 F 158 ASP PHE ILE PRO MET ASP SER THR VAL LYS ASN TYR PHE SEQRES 8 F 158 ILE THR ASP ALA GLN THR GLY SER SER LYS CYS VAL CYS SEQRES 9 F 158 SER VAL ILE ASP LEU LEU LEU ASP ASP PHE VAL GLU ILE SEQRES 10 F 158 ILE LYS SER GLN ASP LEU SER VAL VAL SER LYS VAL VAL SEQRES 11 F 158 LYS VAL THR ILE ASP TYR THR GLU ILE SER PHE MET LEU SEQRES 12 F 158 TRP CYS LYS ASP GLY HIS VAL GLU THR PHE TYR PRO LYS SEQRES 13 F 158 LEU GLN