HEADER HYDROLASE, VIRAL PROTEIN/INHIBITOR 18-APR-23 8SK4 TITLE CO-STRUCTURE OF SARS-COV-2 (COVID-19 WITH COVALENT PYRAZOLINE BASED TITLE 2 INHIBITORS) 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 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_TAXID: 2697049 KEYWDS INHIBITOR, SARS2, HYDROLASE, VIRAL PROTEIN-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.S.KNAPP,E.ORNELAS REVDAT 3 06-NOV-24 8SK4 1 REMARK REVDAT 2 14-JUN-23 8SK4 1 REMARK REVDAT 1 07-JUN-23 8SK4 0 JRNL AUTH P.MOON,C.M.ZAMMIT,Q.SHAO,D.DOVALA,L.BOIKE,N.J.HENNING, JRNL AUTH 2 M.KNAPP,J.N.SPRADLIN,C.C.WARD,H.WOLLEB,D.FULLER,G.BLAKE, JRNL AUTH 3 J.P.MURPHY,F.WANG,Y.LU,S.A.MOQUIN,L.TANDESKE,M.J.HESSE, JRNL AUTH 4 J.M.MCKENNA,J.A.TALLARICO,M.SCHIRLE,F.D.TOSTE,D.K.NOMURA JRNL TITL DISCOVERY OF POTENT PYRAZOLINE-BASED COVALENT SARS-COV-2 JRNL TITL 2 MAIN PROTEASE INHIBITORS. JRNL REF CHEMBIOCHEM 00116 2023 JRNL REFN ESSN 1439-7633 JRNL PMID 37069799 JRNL DOI 10.1002/CBIC.202300116 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.8 (16-JUL-2021) REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.77 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 17064 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.220 REMARK 3 FREE R VALUE TEST SET COUNT : 890 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 45 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 55.52 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 388 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.3058 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 361 REMARK 3 BIN R VALUE (WORKING SET) : 0.3067 REMARK 3 BIN FREE R VALUE : 0.2941 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.96 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 27 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.000 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2310 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 29 REMARK 3 SOLVENT ATOMS : 128 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 39.19 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.22 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.85790 REMARK 3 B22 (A**2) : 0.69490 REMARK 3 B33 (A**2) : -1.55280 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.79200 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.270 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.235 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.183 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.233 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.183 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2416 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3304 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 785 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 454 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2394 ; 10.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 315 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 1879 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 0.95 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.64 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 15.18 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|* } REMARK 3 ORIGIN FOR THE GROUP (A): 12.1472 -11.7481 5.2671 REMARK 3 T TENSOR REMARK 3 T11: -0.0573 T22: -0.0400 REMARK 3 T33: -0.0022 T12: -0.0152 REMARK 3 T13: 0.0017 T23: 0.0367 REMARK 3 L TENSOR REMARK 3 L11: 0.5817 L22: 1.3297 REMARK 3 L33: 1.1662 L12: 0.2718 REMARK 3 L13: -0.0822 L23: -1.0392 REMARK 3 S TENSOR REMARK 3 S11: -0.0250 S12: 0.0165 S13: 0.1095 REMARK 3 S21: 0.0002 S22: 0.1224 S23: 0.1637 REMARK 3 S31: 0.0614 S32: -0.0150 S33: -0.0974 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS WERE FULLY REFINED WITH ZERO REMARK 3 OCCUPANCY AT NUCLEAR POSITION. REFINEMENT NOTES. NUMBER OF REMARK 3 REFINEMENT NOTES : 1 NOTE 1 : IDEAL-DIST CONTACT TERM CONTACT REMARK 3 SETUP. ALL ATOMS HAVE CCP4 ATOM TYPE FROM LIBRARY REMARK 4 REMARK 4 8SK4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAY-23. REMARK 100 THE DEPOSITION ID IS D_1000273875. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-MAY-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 S 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.7 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17088 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 56.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.2 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 62.1 REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : 1.11200 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MG/ML COVID-19MPRO (25 MM HEPES PH REMARK 280 7.5, 150 MM NACL, 1 MM EDTA) WAS INHIBITED AT 10X MOLAR EXCESS REMARK 280 AND INCUBATED ON ICE FOR 1HR, SOLUTION WAS SPUN DOWN FOR 10MIN REMARK 280 AT 10,000 RPM. CRYSTALS WERE GROWN BY HANGING-DROP VAPOR REMARK 280 DIFFUSION METHOD AT 18C. BY MIXING 1:1, 1:2 AND 2:1 RATIO OF REMARK 280 PROTEIN TO WELL SOLUTION. CRYSTAL GREW OUT OF WELL SOLUTION REMARK 280 COMPOSED OF 25% W/V PEG 1500, 100 MM MIB BUFFER PH 7.0, FROM REMARK 280 PACT SCREEN (NEXTAL BIOTECHNOLOGIES)., VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 57.25500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.87200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 57.25500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 26.87200 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: 3580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24740 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 ASN A 72 CG OD1 ND2 REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG A 217 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 222 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 229 CG OD1 OD2 REMARK 470 MET A 235 CG SD CE REMARK 470 LYS A 236 CG CD CE NZ REMARK 470 PHE A 294 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG A 298 CG CD NE CZ NH1 NH2 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 -132.43 57.60 REMARK 500 ASN A 51 75.11 -157.08 REMARK 500 ASN A 84 -120.26 55.63 REMARK 500 TYR A 154 -86.93 60.23 REMARK 500 REMARK 500 REMARK: NULL DBREF 8SK4 A 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 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 LEU 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 I3R A 401 41 HET IMD A 402 10 HETNAM I3R 2-CHLORO-1-[(5R)-3-PHENYL-5-(QUINOXALIN-5-YL)-4,5- HETNAM 2 I3R DIHYDRO-1H-PYRAZOL-1-YL]ETHAN-1-ONE HETNAM IMD IMIDAZOLE FORMUL 2 I3R C19 H15 CL N4 O FORMUL 3 IMD C3 H5 N2 1+ FORMUL 4 HOH *128(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 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 87 N CYS A 38 SHEET 7 AA1 7 VAL A 77 GLN A 83 -1 N GLN A 83 O VAL A 86 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 LINK SG CYS A 145 C I3R A 401 1555 1555 1.79 CRYST1 114.510 53.744 45.594 90.00 101.53 90.00 C 1 2 1 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 0.008733 0.000000 0.001781 0.00000 SCALE2 0.000000 0.018607 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022384 0.00000