HEADER VIRAL PROTEIN 22-FEB-25 9LZQ TITLE CRYSTAL STRUCTURE OF SARS MAIN PROTEASE IN COMPLEX WITH IBUZATRELVIR TITLE 2 POMOTRELVIR COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE NSP5; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO,NON-STRUCTURAL PROTEIN 5, COMPND 5 NSP5,SARS CORONAVIRUS MAIN PROTEINASE; COMPND 6 EC: 3.4.22.69; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME-RELATED SOURCE 3 CORONAVIRUS; SOURCE 4 ORGANISM_COMMON: SARS-COV; SOURCE 5 ORGANISM_TAXID: 694009; SOURCE 6 GENE: REP, 1A-1B; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS VIRAL PROTEIN-INHIBITOR COMPLEX, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.W.LI,J.ZHANG,J.LI REVDAT 1 04-MAR-26 9LZQ 0 JRNL AUTH W.W.LI,J.ZHANG,J.LI JRNL TITL CRYSTAL STRUCTURE OF SARS MAIN PROTEASE IN COMPLEX WITH JRNL TITL 2 IBUZATRELVIR POMOTRELVIR JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.12_2829 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.962 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 49159 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.833 REMARK 3 FREE R VALUE TEST SET COUNT : 2376 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 28.3600 - 5.2606 0.98 2793 129 0.1835 0.2116 REMARK 3 2 5.2606 - 4.1798 0.99 2816 142 0.1653 0.1762 REMARK 3 3 4.1798 - 3.6527 0.99 2795 148 0.1831 0.1834 REMARK 3 4 3.6527 - 3.3193 0.98 2791 150 0.2140 0.2507 REMARK 3 5 3.3193 - 3.0817 0.98 2762 147 0.2192 0.2556 REMARK 3 6 3.0817 - 2.9002 0.98 2769 139 0.2304 0.2832 REMARK 3 7 2.9002 - 2.7551 0.98 2718 153 0.2304 0.2719 REMARK 3 8 2.7551 - 2.6352 0.98 2792 139 0.2387 0.2816 REMARK 3 9 2.6352 - 2.5338 0.97 2736 143 0.2269 0.2461 REMARK 3 10 2.5338 - 2.4464 0.97 2780 147 0.2312 0.2722 REMARK 3 11 2.4464 - 2.3700 0.97 2754 141 0.2382 0.2985 REMARK 3 12 2.3700 - 2.3023 0.97 2721 138 0.2525 0.2916 REMARK 3 13 2.3023 - 2.2417 0.96 2717 142 0.2677 0.3155 REMARK 3 14 2.2417 - 2.1870 0.96 2706 140 0.2789 0.3510 REMARK 3 15 2.1870 - 2.1373 0.96 2709 140 0.2917 0.3256 REMARK 3 16 2.1373 - 2.0919 0.96 2738 129 0.2877 0.3175 REMARK 3 17 2.0919 - 2.0500 0.95 2686 109 0.3296 0.3477 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.253 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.501 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.24 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.88 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 4606 REMARK 3 ANGLE : 0.993 6288 REMARK 3 CHIRALITY : 0.059 727 REMARK 3 PLANARITY : 0.006 813 REMARK 3 DIHEDRAL : 7.644 2654 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9LZQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 26-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1300053650. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL10U2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979183 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49370 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 65.960 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.09200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.49400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH7.5, 10% PEG8000, 8% REMARK 280 ETHYLENE GLYCOL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2030 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 47 CG CD OE1 OE2 REMARK 470 ASP A 48 CG OD1 OD2 REMARK 470 MET A 49 CG SD CE REMARK 470 LEU A 50 CG CD1 CD2 REMARK 470 ASN A 51 CG OD1 ND2 REMARK 470 LEU A 57 CG CD1 CD2 REMARK 470 HIS A 64 CG ND1 CD2 CE1 NE2 REMARK 470 LEU A 67 CG CD1 CD2 REMARK 470 GLN A 69 CG CD OE1 NE2 REMARK 470 ASN A 72 CG OD1 ND2 REMARK 470 GLN A 74 CG CD OE1 NE2 REMARK 470 LEU A 75 CG CD1 CD2 REMARK 470 ARG A 76 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 90 CG CD CE NZ REMARK 470 LYS A 100 CG CD CE NZ REMARK 470 LYS A 102 CG CD CE NZ REMARK 470 LYS A 137 CG CD CE NZ REMARK 470 ASP A 153 CG OD1 OD2 REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP A 155 CG OD1 OD2 REMARK 470 LYS A 180 CG CD CE NZ REMARK 470 THR A 190 OG1 CG2 REMARK 470 LYS A 236 CG CD CE NZ REMARK 470 ARG A 298 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 47 CG CD OE1 OE2 REMARK 470 ASP B 48 CG OD1 OD2 REMARK 470 MET B 49 CG SD CE REMARK 470 LEU B 50 CG CD1 CD2 REMARK 470 ASN B 51 CG OD1 ND2 REMARK 470 HIS B 64 CG ND1 CD2 CE1 NE2 REMARK 470 LEU B 67 CG CD1 CD2 REMARK 470 ASN B 72 CG OD1 ND2 REMARK 470 GLN B 74 CG CD OE1 NE2 REMARK 470 ARG B 76 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 90 CG CD CE NZ REMARK 470 LYS B 100 CG CD CE NZ REMARK 470 LYS B 102 CG CD CE NZ REMARK 470 ASP B 153 CG OD1 OD2 REMARK 470 TYR B 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP B 155 CG OD1 OD2 REMARK 470 ASN B 214 CG OD1 ND2 REMARK 470 ARG B 222 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 227 CG CD1 CD2 REMARK 470 VAL B 233 CG1 CG2 REMARK 470 MET B 235 CG SD CE REMARK 470 LYS B 236 CG CD CE NZ REMARK 470 ASP B 245 CG OD1 OD2 REMARK 470 ASP B 248 CG OD1 OD2 REMARK 470 GLN B 256 CG CD OE1 NE2 REMARK 470 LYS B 269 CG CD CE NZ REMARK 470 GLU B 270 CG CD OE1 OE2 REMARK 470 ASN B 277 CG OD1 ND2 REMARK 470 ARG B 279 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 288 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 NH2 ARG B 4 O HOH B 501 1.99 REMARK 500 O LEU B 75 O HOH B 502 2.10 REMARK 500 O HOH A 606 O HOH B 611 2.13 REMARK 500 O HOH B 557 O HOH B 599 2.17 REMARK 500 NH2 ARG B 298 O HOH B 503 2.18 REMARK 500 O HOH A 519 O HOH A 603 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASP A 33 -129.73 50.56 REMARK 500 ASN A 51 80.02 -160.48 REMARK 500 ASN A 84 -116.09 48.80 REMARK 500 TYR A 154 -120.16 57.29 REMARK 500 GLN A 189 99.20 -69.51 REMARK 500 ALA A 191 87.81 -61.88 REMARK 500 ASP B 33 -126.09 53.97 REMARK 500 ASN B 51 67.56 -168.94 REMARK 500 ASN B 84 -119.86 52.64 REMARK 500 TYR B 154 -116.28 60.93 REMARK 500 REMARK 500 REMARK: NULL DBREF 9LZQ A 2 300 UNP P0C6X7 R1AB_SARS 3242 3540 DBREF 9LZQ B 2 300 UNP P0C6X7 R1AB_SARS 3242 3540 SEQRES 1 A 299 GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL GLU SEQRES 2 A 299 GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR LEU SEQRES 3 A 299 ASN GLY LEU TRP LEU ASP ASP THR VAL TYR CYS PRO ARG SEQRES 4 A 299 HIS VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO ASN SEQRES 5 A 299 TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER PHE SEQRES 6 A 299 LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE GLY SEQRES 7 A 299 HIS SER MET GLN ASN CYS LEU LEU ARG LEU LYS VAL ASP SEQRES 8 A 299 THR SER ASN PRO LYS THR PRO LYS TYR LYS PHE VAL ARG SEQRES 9 A 299 ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS TYR SEQRES 10 A 299 ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET ARG SEQRES 11 A 299 PRO ASN HIS THR ILE LYS GLY SER PHE LEU ASN GLY SER SEQRES 12 A 299 CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS VAL SEQRES 13 A 299 SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR GLY SEQRES 14 A 299 VAL HIS ALA GLY THR ASP LEU GLU GLY LYS PHE TYR GLY SEQRES 15 A 299 PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY THR SEQRES 16 A 299 ASP THR THR ILE THR LEU ASN VAL LEU ALA TRP LEU TYR SEQRES 17 A 299 ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN ARG SEQRES 18 A 299 PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA MET SEQRES 19 A 299 LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL ASP SEQRES 20 A 299 ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA VAL SEQRES 21 A 299 LEU ASP MET CYS ALA ALA LEU LYS GLU LEU LEU GLN ASN SEQRES 22 A 299 GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE LEU SEQRES 23 A 299 GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN CYS SEQRES 1 B 299 GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL GLU SEQRES 2 B 299 GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR LEU SEQRES 3 B 299 ASN GLY LEU TRP LEU ASP ASP THR VAL TYR CYS PRO ARG SEQRES 4 B 299 HIS VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO ASN SEQRES 5 B 299 TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER PHE SEQRES 6 B 299 LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE GLY SEQRES 7 B 299 HIS SER MET GLN ASN CYS LEU LEU ARG LEU LYS VAL ASP SEQRES 8 B 299 THR SER ASN PRO LYS THR PRO LYS TYR LYS PHE VAL ARG SEQRES 9 B 299 ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS TYR SEQRES 10 B 299 ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET ARG SEQRES 11 B 299 PRO ASN HIS THR ILE LYS GLY SER PHE LEU ASN GLY SER SEQRES 12 B 299 CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS VAL SEQRES 13 B 299 SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR GLY SEQRES 14 B 299 VAL HIS ALA GLY THR ASP LEU GLU GLY LYS PHE TYR GLY SEQRES 15 B 299 PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY THR SEQRES 16 B 299 ASP THR THR ILE THR LEU ASN VAL LEU ALA TRP LEU TYR SEQRES 17 B 299 ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN ARG SEQRES 18 B 299 PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA MET SEQRES 19 B 299 LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL ASP SEQRES 20 B 299 ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA VAL SEQRES 21 B 299 LEU ASP MET CYS ALA ALA LEU LYS GLU LEU LEU GLN ASN SEQRES 22 B 299 GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE LEU SEQRES 23 B 299 GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN CYS HET ZQB A 401 32 HET ZQB B 401 32 HETNAM ZQB POMOTRELVIR BOUND FORM FORMUL 3 ZQB 2(C23 H28 CL N5 O3) FORMUL 5 HOH *238(H2 O) HELIX 1 AA1 SER A 10 GLY A 15 1 6 HELIX 2 AA2 HIS A 41 CYS A 44 5 4 HELIX 3 AA3 GLU A 47 ASN A 51 5 5 HELIX 4 AA4 ASN A 53 ARG A 60 1 8 HELIX 5 AA5 SER A 62 HIS A 64 5 3 HELIX 6 AA6 ILE A 200 ASN A 214 1 15 HELIX 7 AA7 THR A 226 TYR A 237 1 12 HELIX 8 AA8 THR A 243 LEU A 250 1 8 HELIX 9 AA9 LEU A 250 GLY A 258 1 9 HELIX 10 AB1 ALA A 260 GLY A 275 1 16 HELIX 11 AB2 THR A 292 CYS A 300 1 9 HELIX 12 AB3 SER B 10 GLY B 15 1 6 HELIX 13 AB4 HIS B 41 CYS B 44 5 4 HELIX 14 AB5 GLU B 47 ASN B 51 5 5 HELIX 15 AB6 ASN B 53 ARG B 60 1 8 HELIX 16 AB7 SER B 62 HIS B 64 5 3 HELIX 17 AB8 ILE B 200 ASN B 214 1 15 HELIX 18 AB9 THR B 226 TYR B 237 1 12 HELIX 19 AC1 THR B 243 LEU B 250 1 8 HELIX 20 AC2 LEU B 250 GLY B 258 1 9 HELIX 21 AC3 ALA B 260 GLY B 275 1 16 HELIX 22 AC4 THR B 292 CYS B 300 1 9 SHEET 1 AA1 7 VAL A 73 LEU A 75 0 SHEET 2 AA1 7 PHE A 66 ALA A 70 -1 N VAL A 68 O LEU A 75 SHEET 3 AA1 7 MET A 17 CYS A 22 -1 N THR A 21 O LEU A 67 SHEET 4 AA1 7 THR A 25 LEU A 32 -1 O LEU A 27 N VAL A 20 SHEET 5 AA1 7 THR A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 AA1 7 LEU A 86 VAL A 91 -1 O LEU A 89 N VAL A 36 SHEET 7 AA1 7 VAL A 77 GLN A 83 -1 N GLY A 79 O LYS A 90 SHEET 1 AA2 5 LYS A 100 PHE A 103 0 SHEET 2 AA2 5 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA2 5 VAL A 148 ASP A 153 -1 N ASN A 151 O SER A 158 SHEET 4 AA2 5 THR A 111 TYR A 118 -1 N SER A 113 O PHE A 150 SHEET 5 AA2 5 SER A 121 ALA A 129 -1 O TYR A 126 N VAL A 114 SHEET 1 AA3 3 LYS A 100 PHE A 103 0 SHEET 2 AA3 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA3 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 SHEET 1 AA4 7 VAL B 73 LEU B 75 0 SHEET 2 AA4 7 PHE B 66 ALA B 70 -1 N ALA B 70 O VAL B 73 SHEET 3 AA4 7 MET B 17 CYS B 22 -1 N THR B 21 O LEU B 67 SHEET 4 AA4 7 THR B 25 LEU B 32 -1 O LEU B 27 N VAL B 20 SHEET 5 AA4 7 THR B 35 PRO B 39 -1 O TYR B 37 N LEU B 30 SHEET 6 AA4 7 LEU B 86 VAL B 91 -1 O LEU B 89 N VAL B 36 SHEET 7 AA4 7 VAL B 77 GLN B 83 -1 N GLN B 83 O LEU B 86 SHEET 1 AA5 5 LYS B 100 PHE B 103 0 SHEET 2 AA5 5 CYS B 156 GLU B 166 1 O PHE B 159 N LYS B 102 SHEET 3 AA5 5 VAL B 148 ASP B 153 -1 N ASN B 151 O SER B 158 SHEET 4 AA5 5 THR B 111 TYR B 118 -1 N SER B 113 O PHE B 150 SHEET 5 AA5 5 SER B 121 ALA B 129 -1 O TYR B 126 N VAL B 114 SHEET 1 AA6 3 LYS B 100 PHE B 103 0 SHEET 2 AA6 3 CYS B 156 GLU B 166 1 O PHE B 159 N LYS B 102 SHEET 3 AA6 3 HIS B 172 THR B 175 -1 O ALA B 173 N MET B 165 LINK SG CYS A 145 C8 ZQB A 401 1555 1555 1.77 LINK SG CYS B 145 C8 ZQB B 401 1555 1555 1.76 CRYST1 55.115 60.358 68.168 93.14 102.50 108.54 P 1 2 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.018144 0.006085 0.004879 0.00000 SCALE2 0.000000 0.017475 0.002353 0.00000 SCALE3 0.000000 0.000000 0.015162 0.00000 CONECT 1051 4457 CONECT 3294 4489 CONECT 4437 4460 4464 CONECT 4438 4447 4464 CONECT 4439 4440 4463 4465 CONECT 4440 4439 4443 4466 CONECT 4441 4442 4466 4467 CONECT 4442 4441 4443 4446 CONECT 4443 4440 4442 CONECT 4444 4445 4467 CONECT 4445 4444 4446 CONECT 4446 4442 4445 CONECT 4447 4438 4464 CONECT 4448 4449 4453 CONECT 4449 4448 4450 CONECT 4450 4449 4451 CONECT 4451 4450 4452 CONECT 4452 4451 4453 4454 CONECT 4453 4448 4452 4455 CONECT 4454 4452 CONECT 4455 4453 4456 CONECT 4456 4455 4457 4458 CONECT 4457 1051 4456 4461 CONECT 4458 4456 4459 CONECT 4459 4458 4460 4462 CONECT 4460 4437 4459 4463 CONECT 4461 4457 CONECT 4462 4459 CONECT 4463 4439 4460 CONECT 4464 4437 4438 4447 CONECT 4465 4439 CONECT 4466 4440 4441 CONECT 4467 4441 4444 4468 CONECT 4468 4467 CONECT 4469 4492 4496 CONECT 4470 4479 4496 CONECT 4471 4472 4495 4497 CONECT 4472 4471 4475 4498 CONECT 4473 4474 4498 4499 CONECT 4474 4473 4475 4478 CONECT 4475 4472 4474 CONECT 4476 4477 4499 CONECT 4477 4476 4478 CONECT 4478 4474 4477 CONECT 4479 4470 4496 CONECT 4480 4481 4485 CONECT 4481 4480 4482 CONECT 4482 4481 4483 CONECT 4483 4482 4484 CONECT 4484 4483 4485 4486 CONECT 4485 4480 4484 4487 CONECT 4486 4484 CONECT 4487 4485 4488 CONECT 4488 4487 4489 4490 CONECT 4489 3294 4488 4493 CONECT 4490 4488 4491 CONECT 4491 4490 4492 4494 CONECT 4492 4469 4491 4495 CONECT 4493 4489 CONECT 4494 4491 CONECT 4495 4471 4492 CONECT 4496 4469 4470 4479 CONECT 4497 4471 CONECT 4498 4472 4473 CONECT 4499 4473 4476 4500 CONECT 4500 4499 MASTER 298 0 2 22 30 0 0 6 4736 2 66 46 END