HEADER VIRAL PROTEIN, HYDROLASE/INHIBITOR 20-AUG-22 8E5C TITLE CRYSTAL STRUCTURE OF SARS COV-2 MPRO MUTANT L50F WITH NIRMATRELVIR TITLE 2 CAPTURED IN TWO CONFORMATIONAL STATES CAVEAT 8E5C 4WI A 502 HAS WRONG CHIRALITY AT ATOM C5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE NSP5; COMPND 3 CHAIN: A; 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; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_TAXID: 2697049; SOURCE 5 GENE: REP, 1A-1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CORONAVIRUS, COVID-19, COVID, PROTEASE, DRUG RESISTANCE, COMPLEX, KEYWDS 2 HYDROLASE, DURG DISCOVERY, MAIN PROTEASE, MPRO, SUBSTRATE COMPLEX, KEYWDS 3 PFIZER IV COMPOUND, L50F, NIRMATRELVIR, VIRAL PROTEIN, VIRAL KEYWDS 4 PROTEIN-HYDROLASE-INHIBITOR COMPLEX, HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.M.SHAQRA,C.A.SCHIFFER REVDAT 3 24-APR-24 8E5C 1 JRNL REVDAT 2 27-MAR-24 8E5C 1 JRNL REVDAT 1 07-FEB-24 8E5C 0 JRNL AUTH J.M.FLYNN,S.N.ZVORNICANIN,T.TSEPAL,A.M.SHAQRA,N.KURT YILMAZ, JRNL AUTH 2 W.JIA,S.MOQUIN,D.DOVALA,C.A.SCHIFFER,D.N.A.BOLON JRNL TITL CONTRIBUTIONS OF HYPERACTIVE MUTATIONS IN M PRO FROM JRNL TITL 2 SARS-COV-2 TO DRUG RESISTANCE. JRNL REF ACS INFECT DIS. V. 10 1174 2024 JRNL REFN ESSN 2373-8227 JRNL PMID 38472113 JRNL DOI 10.1021/ACSINFECDIS.3C00560 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.41 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 16012 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 801 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 25.4100 - 3.9900 1.00 2679 142 0.1814 0.1986 REMARK 3 2 3.9900 - 3.1700 1.00 2547 134 0.1702 0.2663 REMARK 3 3 3.1700 - 2.7700 1.00 2518 132 0.1990 0.2450 REMARK 3 4 2.7700 - 2.5200 1.00 2496 132 0.2166 0.2948 REMARK 3 5 2.5200 - 2.3400 1.00 2504 131 0.2276 0.3128 REMARK 3 6 2.3400 - 2.2000 1.00 2467 130 0.2255 0.2798 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) : 0.280 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.881 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.67 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 : 0.004 2460 REMARK 3 ANGLE : 1.074 3363 REMARK 3 CHIRALITY : 0.049 376 REMARK 3 PLANARITY : 0.004 430 REMARK 3 DIHEDRAL : 15.605 852 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 8E5C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-AUG-22. REMARK 100 THE DEPOSITION ID IS D_1000267872. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : RIGAKU HYPIX-6000HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO REMARK 200 DATA SCALING SOFTWARE : CRYSALISPRO REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16012 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 25.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : 0.08596 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.2500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.36430 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.950 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 1.19.2_4158 REMARK 200 STARTING MODEL: 7L0D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10-20 % (W/V) PEG 3350, 0.20-0.30 M REMARK 280 NACL, AND 0.1 M BIS-TRIS METHANE PH 5.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z REMARK 290 4555 X+1/2,-Y+1/2,-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 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 22.56450 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.84650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.56450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.84650 REMARK 290 SMTRY3 4 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: 5210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24410 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -109.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 63.69300 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 CL CL A 512 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 771 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 879 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 886 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 887 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 901 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 903 LIES ON A SPECIAL POSITION. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLN A 306 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 ILE A 59 CD1 REMARK 470 ARG A 60 CG CD NE CZ NH1 NH2 REMARK 470 ASN A 72 CG OD1 ND2 REMARK 470 LYS A 102 CG CD CE NZ REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG A 188 CZ NH1 NH2 REMARK 470 LEU A 232 CG CD1 CD2 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 OE2 GLU A 288 O HOH A 601 1.94 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 LYS A 5 95.04 -63.20 REMARK 500 ASP A 33 -123.10 57.67 REMARK 500 ASN A 84 -110.92 58.12 REMARK 500 TYR A 154 -112.96 54.72 REMARK 500 HIS A 164 -43.42 -141.24 REMARK 500 PRO A 184 39.99 -86.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 898 DISTANCE = 5.83 ANGSTROMS REMARK 525 HOH A 899 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A 900 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 901 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 902 DISTANCE = 6.14 ANGSTROMS REMARK 525 HOH A 903 DISTANCE = 6.16 ANGSTROMS REMARK 525 HOH A 904 DISTANCE = 6.99 ANGSTROMS REMARK 525 HOH A 905 DISTANCE = 7.15 ANGSTROMS REMARK 525 HOH A 906 DISTANCE = 7.17 ANGSTROMS REMARK 525 HOH A 907 DISTANCE = 7.66 ANGSTROMS REMARK 525 HOH A 908 DISTANCE = 7.89 ANGSTROMS REMARK 525 HOH A 909 DISTANCE = 8.28 ANGSTROMS REMARK 525 HOH A 910 DISTANCE = 8.37 ANGSTROMS REMARK 525 HOH A 911 DISTANCE = 8.37 ANGSTROMS REMARK 525 HOH A 912 DISTANCE = 8.88 ANGSTROMS REMARK 525 HOH A 913 DISTANCE = 9.08 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 505 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 212 O REMARK 620 2 THR A 257 O 89.3 REMARK 620 3 HOH A 836 O 87.5 32.1 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 508 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 676 O REMARK 620 2 HOH A 738 O 128.3 REMARK 620 N 1 DBREF 8E5C A 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 SEQADV 8E5C PHE A 50 UNP P0DTD1 LEU 3313 ENGINEERED MUTATION SEQRES 1 A 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 A 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 A 306 LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO SEQRES 4 A 306 ARG HIS VAL ILE CYS THR SER GLU ASP MET PHE ASN PRO SEQRES 5 A 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN SEQRES 6 A 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 A 306 GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL SEQRES 8 A 306 ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 A 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS SEQRES 10 A 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 A 306 ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 A 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 A 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 A 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR SEQRES 15 A 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 A 306 THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU SEQRES 17 A 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 A 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 A 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 A 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 A 306 VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN SEQRES 22 A 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU SEQRES 23 A 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 A 306 CYS SER GLY VAL THR PHE GLN HET DMS A 501 4 HET 4WI A 502 70 HET NA A 503 1 HET NA A 504 1 HET NA A 505 1 HET NA A 506 1 HET NA A 507 1 HET NA A 508 1 HET CL A 509 1 HET CL A 510 1 HET CL A 511 1 HET CL A 512 1 HETNAM DMS DIMETHYL SULFOXIDE HETNAM 4WI (1R,2S,5S)-N-{(1E,2S)-1-IMINO-3-[(3S)-2-OXOPYRROLIDIN- HETNAM 2 4WI 3-YL]PROPAN-2-YL}-6,6-DIMETHYL-3-[3-METHYL-N- HETNAM 3 4WI (TRIFLUOROACETYL)-L-VALYL]-3-AZABICYCLO[3.1.0]HEXANE- HETNAM 4 4WI 2-CARBOXAMIDE HETNAM NA SODIUM ION HETNAM CL CHLORIDE ION HETSYN 4WI PF-07321332, BOUND FORM; NIRMATRELVIR, BOUND FORM; HETSYN 2 4WI PAXLOVID, BOUND FORM FORMUL 2 DMS C2 H6 O S FORMUL 3 4WI C23 H34 F3 N5 O4 FORMUL 4 NA 6(NA 1+) FORMUL 10 CL 4(CL 1-) FORMUL 14 HOH *313(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 ASN A 53 ARG A 60 1 8 HELIX 4 AA4 SER A 62 HIS A 64 5 3 HELIX 5 AA5 ILE A 200 ASN A 214 1 15 HELIX 6 AA6 THR A 226 MET A 235 1 10 HELIX 7 AA7 LYS A 236 ASN A 238 5 3 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 GLY A 302 1 11 SHEET 1 AA1 7 VAL A 73 LEU A 75 0 SHEET 2 AA1 7 PHE A 66 ALA A 70 -1 N ALA A 70 O VAL A 73 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 VAL A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 AA1 7 VAL 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 ILE A 78 O LYS A 90 SHEET 1 AA2 5 TYR A 101 PHE A 103 0 SHEET 2 AA2 5 CYS A 156 GLU A 166 1 O PHE A 159 N LYS A 102 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 SER A 123 N ALA A 116 SHEET 1 AA3 3 TYR A 101 PHE A 103 0 SHEET 2 AA3 3 CYS A 156 GLU A 166 1 O PHE A 159 N LYS A 102 SHEET 3 AA3 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 LINK O VAL A 212 NA NA A 505 1555 2665 2.79 LINK O THR A 257 NA NA A 505 1555 1555 2.75 LINK NA NA A 504 O HOH A 770 1555 1555 2.55 LINK NA NA A 505 O HOH A 836 1555 2665 3.19 LINK NA NA A 506 O HOH A 864 1555 1555 2.98 LINK NA NA A 508 O HOH A 676 1555 1455 3.12 LINK NA NA A 508 O HOH A 738 1555 1455 2.94 CRYST1 45.129 63.693 105.323 90.00 90.00 90.00 P 21 21 2 4 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 0.022159 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015700 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009495 0.00000