HEADER HYDROLASE 12-OCT-05 2C3S TITLE STRUCTURE OF SARS COV MAIN PROTEINASE AT 1.9 A (PH6.5) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SARS COV 3C-LIKE PROTEINASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.24.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SARS CORONAVIRUS; SOURCE 3 ORGANISM_TAXID: 227859; SOURCE 4 STRAIN: SIN2774; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PMAL-C2X KEYWDS SARS COV, 3C-LIKE PROTEASE, MAIN PROTEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.XU,A.OOI,H.-C.LEE,J.LESCAR REVDAT 4 13-DEC-23 2C3S 1 REMARK REVDAT 3 24-FEB-09 2C3S 1 VERSN REVDAT 2 09-NOV-05 2C3S 1 JRNL REVDAT 1 18-OCT-05 2C3S 0 SPRSDE 18-OCT-05 2C3S 2BW6 JRNL AUTH T.XU,A.OOI,H.-C.LEE,R.WILMOUTH,D.X.LIU,J.LESCAR JRNL TITL STRUCTURE OF THE SARS CORONAVIRUS MAIN PROTEINASE AS AN JRNL TITL 2 ACTIVE C2 CRYSTALLOGRAPHIC DIMER. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 61 964 2005 JRNL REFN ESSN 1744-3091 JRNL PMID 16511208 JRNL DOI 10.1107/S1744309105033257 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 20957 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1077 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1650 REMARK 3 BIN R VALUE (WORKING SET) : 0.2750 REMARK 3 BIN FREE R VALUE : 0.3120 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.25 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 89 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2302 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 211 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.80900 REMARK 3 B22 (A**2) : 0.44500 REMARK 3 B33 (A**2) : 2.36400 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.317 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.820 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.650 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.680 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.070 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.000 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 73.67 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2C3S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-OCT-05. REMARK 100 THE DEPOSITION ID IS D_1290025955. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-NOV-04 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97600 REMARK 200 MONOCHROMATOR : SI111 REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21035 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 54.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.2 REMARK 200 DATA REDUNDANCY IN SHELL : 5.90 REMARK 200 R MERGE FOR SHELL (I) : 0.31000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1UJ1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 27.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES PH 6.5 AND 0.6 M(NH4)2SO4, REMARK 280 PH 6.50 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 53.87100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.44100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 53.87100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.44100 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: PQS 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 44.88200 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 HOH A2101 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 VAL A 303 REMARK 465 THR A 304 REMARK 465 PHE A 305 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 ARG A 60 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 76 CG CD NE CZ NH1 NH2 REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG A 188 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 222 CG CD NE CZ NH1 NH2 REMARK 470 GLY A 302 CA C O REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OG1 THR A 285 OG1 THR A 285 2565 1.78 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 -128.67 57.67 REMARK 500 ASN A 51 82.16 -158.91 REMARK 500 ASN A 84 -125.01 56.33 REMARK 500 TYR A 154 -86.58 77.43 REMARK 500 THR A 190 -169.51 -118.66 REMARK 500 GLN A 192 136.62 -21.66 REMARK 500 ASN A 214 39.03 -98.17 REMARK 500 ASP A 216 70.58 -176.18 REMARK 500 THR A 225 -169.13 -160.25 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1O5S RELATED DB: PDB REMARK 900 STRUCTURE MODEL OF THE CATALYTIC DOMAIN OF SARS- REMARK 900 CORONAVIRUSPOLYMERASE REMARK 900 RELATED ID: 1P76 RELATED DB: PDB REMARK 900 3D STRUCTURE OF THE SUBSTRATE-BOUND SARS CHYMOTRYPSIN-LIKECYSTEINE REMARK 900 PROTEINASE REMARK 900 RELATED ID: 1P9T RELATED DB: PDB REMARK 900 CORONAVIRUS MAIN PROTEINASE (3CLPRO) STRUCTURE : BASIS FORDESIGN OF REMARK 900 ANTI-SARS DRUGS REMARK 900 RELATED ID: 1PA5 RELATED DB: PDB REMARK 900 STRUCTURE OF SARS CORONAVIRUS PROTEINASE REMARK 900 RELATED ID: 1PUK RELATED DB: PDB REMARK 900 3C-LIKE PROTEINASE DOMAIN STRUCTURE OF HUMAN CORONAVIRUS(STRAIN REMARK 900 SARS) MODELED IN-SILICO REMARK 900 RELATED ID: 1Q1X RELATED DB: PDB REMARK 900 CORONAVIRUS MAIN PROTEINASE (3CLPRO) STRUCTURE : BASIS FORDESIGN OF REMARK 900 ANTI-SARS LIGANDS REMARK 900 RELATED ID: 1UJ1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO) REMARK 900 RELATED ID: 1UK2 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO) AT REMARK 900 PH8.0 REMARK 900 RELATED ID: 1UK3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO) AT REMARK 900 PH7.6 REMARK 900 RELATED ID: 1UK4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO) REMARK 900 COMPLEXED WITH AN INHIBITOR REMARK 900 RELATED ID: 1UW7 RELATED DB: PDB REMARK 900 NSP9 REPLICASE PROTEIN FROM SARS-CORONAVIRUS. REMARK 900 RELATED ID: 1WOF RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS-COV MPRO IN COMPLEX WITH ANINHIBITOR N1 REMARK 900 RELATED ID: 2AMD RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS_COV MPRO IN COMPLEX WITH ANINHIBITOR N9 REMARK 900 RELATED ID: 2AMQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS_COV MPRO IN COMPLEX WITH ANINHIBITOR N3 REMARK 900 RELATED ID: 2BX3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE (P43212) REMARK 900 RELATED ID: 2BX4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE (P21212) REMARK 900 RELATED ID: 2D2D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SARS-COV MPRO IN COMPLEX WITH ANINHIBITOR I2 DBREF 2C3S A 1 306 UNP P59641 R1AB_CVHSA 3241 3546 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 THR VAL TYR CYS PRO SEQRES 4 A 306 ARG HIS VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO SEQRES 5 A 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER 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 LEU LEU ARG LEU LYS VAL SEQRES 8 A 306 ASP THR SER 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 HIS 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 LYS 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 LEU 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 ALA LEU LYS GLU LEU LEU GLN SEQRES 22 A 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE 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 FORMUL 2 HOH *211(H2 O) HELIX 1 1 SER A 10 GLY A 15 1 6 HELIX 2 2 HIS A 41 CYS A 44 5 4 HELIX 3 3 GLU A 47 ASN A 51 5 5 HELIX 4 4 ASN A 53 ARG A 60 1 8 HELIX 5 5 SER A 62 PHE A 66 5 5 HELIX 6 6 ILE A 200 ASN A 214 1 15 HELIX 7 7 THR A 226 TYR A 237 1 12 HELIX 8 8 THR A 243 LEU A 250 1 8 HELIX 9 9 LEU A 250 GLY A 258 1 9 HELIX 10 10 ALA A 260 GLY A 275 1 16 HELIX 11 11 THR A 292 SER A 301 1 10 SHEET 1 AA 7 VAL A 73 LEU A 75 0 SHEET 2 AA 7 LEU A 67 ALA A 70 -1 O VAL A 68 N LEU A 75 SHEET 3 AA 7 MET A 17 CYS A 22 -1 O GLN A 19 N GLN A 69 SHEET 4 AA 7 THR A 25 LEU A 32 -1 O THR A 25 N CYS A 22 SHEET 5 AA 7 THR A 35 PRO A 39 -1 O THR A 35 N LEU A 32 SHEET 6 AA 7 LEU A 86 VAL A 91 -1 O LEU A 87 N CYS A 38 SHEET 7 AA 7 VAL A 77 GLN A 83 -1 N ILE A 78 O LYS A 90 SHEET 1 AB 5 LYS A 100 PHE A 103 0 SHEET 2 AB 5 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 102 SHEET 3 AB 5 VAL A 148 ASP A 153 -1 O GLY A 149 N CYS A 160 SHEET 4 AB 5 THR A 111 TYR A 118 -1 O SER A 113 N PHE A 150 SHEET 5 AB 5 SER A 121 ALA A 129 -1 O SER A 121 N TYR A 118 SHEET 1 AC 3 LYS A 100 PHE A 103 0 SHEET 2 AC 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 102 SHEET 3 AC 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 CRYST1 107.742 44.882 54.231 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 0.009281 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022281 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018440 0.00000