HEADER HYDROLASE 22-NOV-20 7DK1 TITLE CRYSTAL STRUCTURE OF ZINC BOUND SARS-COV-2 MAIN PROTEASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: MAIN PROTEASE; COMPND 5 EC: 3.4.22.69; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_COMMON: 2019-NCOV; SOURCE 5 ORGANISM_TAXID: 2697049; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-1 KEYWDS SARS-COV-2, MAIN PROTEASE, ZINC, MPRO-ZINC COMPLEX, PEPTIDE BINDING KEYWDS 2 PROTEIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR K.S.SONKAR,L.PANCHARIYA,S.KUILA,W.A.KHAN,A.AROCKIASAMY REVDAT 3 29-NOV-23 7DK1 1 JRNL REVDAT 2 30-MAR-22 7DK1 1 JRNL REVDAT 1 30-JUN-21 7DK1 0 JRNL AUTH L.PANCHARIYA,W.A.KHAN,S.KUILA,K.SONKAR,S.SAHOO,A.GHOSHAL, JRNL AUTH 2 A.KUMAR,D.K.VERMA,A.HASAN,M.A.KHAN,N.JAIN,A.K.MOHAPATRA, JRNL AUTH 3 S.DAS,J.K.THAKUR,S.MAITI,R.K.NANDA,R.HALDER,S.SUNIL, JRNL AUTH 4 A.AROCKIASAMY JRNL TITL ZINC 2+ ION INHIBITS SARS-COV-2 MAIN PROTEASE AND VIRAL JRNL TITL 2 REPLICATION IN VITRO. JRNL REF CHEM.COMMUN.(CAMB.) V. 57 10083 2021 JRNL REFN ESSN 1364-548X JRNL PMID 34514483 JRNL DOI 10.1039/D1CC03563K REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.PANCHARIYA,W.A.KHAN,S.KUILA,K.S.SONKAR,S.SAHOO,A.GHOSHAL, REMARK 1 AUTH 2 A.KUMAR,D.P.VERMA,A.HASAN,S.DAS,J.K.THAKUR,R.HALDER,S.SUNIL, REMARK 1 AUTH 3 A.AROCKIASAMY REMARK 1 TITL ZINC2+ ION INHIBITS SARS-COV-2 MAIN PROTEASE AND VIRAL REMARK 1 TITL 2 REPLICATION IN VITRO REMARK 1 REF BIORXIV 2021 REMARK 1 REFN ISSN 2692-8205 REMARK 1 DOI 10.1101/2021.06.15.448551 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.3 (19-MAR-2020) 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 72.32 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 56431 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) : 0.191 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.120 REMARK 3 FREE R VALUE TEST SET COUNT : 2889 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.92 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : NULL REMARK 3 BIN R VALUE (WORKING + TEST SET) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1066 REMARK 3 BIN R VALUE (WORKING SET) : 0.2269 REMARK 3 BIN FREE R VALUE : 0.2540 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.58 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 63 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 : 4560 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 423 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.17 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 10.31400 REMARK 3 B22 (A**2) : -12.89090 REMARK 3 B33 (A**2) : 2.57690 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) : 0.250 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.142 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.122 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.134 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.119 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 : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.933 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 4719 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 6422 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1560 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 813 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 4719 ; 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 : 626 ; 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 : 4151 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 0.98 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.74 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 16.08 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7DK1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-NOV-20. REMARK 100 THE DEPOSITION ID IS D_1300019549. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-NOV-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 11.2C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.999 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 56431 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 72.320 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.80 REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 2.6900 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) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: 6Y2E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: BIS-TRIS (0.1 M), PEG 3350 (20%), DMSO REMARK 280 (5%), PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 33.81000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 51.17500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 51.10000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 51.17500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.81000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 51.10000 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: 4280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24690 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -93.0 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 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 GLY A 302 REMARK 465 VAL A 303 REMARK 465 THR A 304 REMARK 465 PHE A 305 REMARK 465 GLN A 306 REMARK 465 PHE B 305 REMARK 465 GLN B 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 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 ARG A 76 CZ NH1 NH2 REMARK 470 GLN A 107 CG CD OE1 NE2 REMARK 470 GLN A 110 CG CD OE1 NE2 REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ILE A 249 CG1 CG2 CD1 REMARK 470 GLU B 47 CG CD OE1 OE2 REMARK 470 ILE B 59 CG1 CG2 CD1 REMARK 470 ARG B 60 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 67 CG CD1 CD2 REMARK 470 ASN B 72 CG OD1 ND2 REMARK 470 ARG B 76 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 100 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 GLN B 189 CG CD OE1 NE2 REMARK 470 LEU B 227 CG CD1 CD2 REMARK 470 ASN B 228 CG OD1 ND2 REMARK 470 ASP B 229 CG OD1 OD2 REMARK 470 LEU B 232 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 PHE B 294 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG B 298 CG CD NE CZ NH1 NH2 REMARK 470 SER B 301 OG REMARK 470 VAL B 303 CG1 CG2 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 -131.10 57.46 REMARK 500 ASN A 84 -121.67 57.63 REMARK 500 ASP A 153 -144.23 -112.84 REMARK 500 PRO A 184 30.26 -87.52 REMARK 500 ASP B 33 -131.57 57.36 REMARK 500 ASN B 51 75.68 -160.48 REMARK 500 ASN B 84 -128.89 57.85 REMARK 500 TYR B 154 -111.07 62.31 REMARK 500 REMARK 500 REMARK: NULL 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 ZN A 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 41 NE2 REMARK 620 2 CYS A 145 SG 116.0 REMARK 620 3 HOH A 688 O 104.2 110.3 REMARK 620 4 HOH A 704 O 109.6 122.1 90.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 402 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 153 OD2 REMARK 620 2 ASP A 155 OD1 98.2 REMARK 620 3 CYS A 156 SG 119.4 121.3 REMARK 620 4 GLU B 270 OE2 44.4 123.3 75.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 41 NE2 REMARK 620 2 CYS B 145 SG 115.3 REMARK 620 3 HOH B 628 O 109.8 104.3 REMARK 620 4 HOH B 636 O 104.2 123.1 98.4 REMARK 620 N 1 2 3 DBREF 7DK1 A 1 306 UNP P0DTC1 R1A_SARS2 3264 3569 DBREF 7DK1 B 1 306 UNP P0DTC1 R1A_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 SEQRES 1 B 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 B 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 B 306 LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO SEQRES 4 B 306 ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO SEQRES 5 B 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN SEQRES 6 B 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 B 306 GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL SEQRES 8 B 306 ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 B 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS SEQRES 10 B 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 B 306 ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 B 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 B 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 B 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR SEQRES 15 B 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 B 306 THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU SEQRES 17 B 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 B 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 B 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 B 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 B 306 VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN SEQRES 22 B 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU SEQRES 23 B 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 B 306 CYS SER GLY VAL THR PHE GLN HET ZN A 401 1 HET ZN A 402 1 HET DMS A 403 4 HET GLY A 404 5 HET ZN B 401 1 HET DMS B 402 4 HET CL B 403 1 HET DMS B 404 4 HET GLY B 405 5 HET BTB B 406 14 HETNAM ZN ZINC ION HETNAM DMS DIMETHYL SULFOXIDE HETNAM GLY GLYCINE HETNAM CL CHLORIDE ION HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETSYN BTB BIS-TRIS BUFFER FORMUL 3 ZN 3(ZN 2+) FORMUL 5 DMS 3(C2 H6 O S) FORMUL 6 GLY 2(C2 H5 N O2) FORMUL 9 CL CL 1- FORMUL 12 BTB C8 H19 N O5 FORMUL 13 HOH *423(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 SER A 301 1 10 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 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 SER A 81 O LYS A 88 SHEET 1 AA2 5 TYR A 101 PHE A 103 0 SHEET 2 AA2 5 VAL A 157 GLU A 166 1 O PHE A 159 N LYS A 102 SHEET 3 AA2 5 VAL A 148 ILE A 152 -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 VAL A 157 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 SHEET 1 AA4 7 VAL B 73 LEU B 75 0 SHEET 2 AA4 7 PHE B 66 ALA B 70 -1 N VAL B 68 O LEU B 75 SHEET 3 AA4 7 MET B 17 CYS B 22 -1 N GLN B 19 O GLN B 69 SHEET 4 AA4 7 THR B 25 LEU B 32 -1 O LEU B 27 N VAL B 20 SHEET 5 AA4 7 VAL B 35 PRO B 39 -1 O TYR B 37 N LEU B 30 SHEET 6 AA4 7 VAL B 86 VAL B 91 -1 O LEU B 87 N CYS B 38 SHEET 7 AA4 7 VAL B 77 GLN B 83 -1 N SER B 81 O LYS B 88 SHEET 1 AA5 5 LYS B 100 PHE B 103 0 SHEET 2 AA5 5 CYS B 156 GLU B 166 1 O VAL B 157 N LYS B 100 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 SER B 123 N ALA B 116 SHEET 1 AA6 3 LYS B 100 PHE B 103 0 SHEET 2 AA6 3 CYS B 156 GLU B 166 1 O VAL B 157 N LYS B 100 SHEET 3 AA6 3 HIS B 172 THR B 175 -1 O ALA B 173 N MET B 165 LINK NE2 HIS A 41 ZN ZN A 401 1555 1555 2.07 LINK SG CYS A 145 ZN ZN A 401 1555 1555 2.33 LINK OD2 ASP A 153 ZN ZN A 402 1555 1555 2.04 LINK OD1 ASP A 155 ZN ZN A 402 1555 1555 1.94 LINK SG CYS A 156 ZN ZN A 402 1555 1555 2.30 LINK ZN ZN A 401 O HOH A 688 1555 1555 2.13 LINK ZN ZN A 401 O HOH A 704 1555 1555 2.25 LINK ZN ZN A 402 OE2 GLU B 270 3555 1555 2.30 LINK NE2 HIS B 41 ZN ZN B 401 1555 1555 1.94 LINK SG CYS B 145 ZN ZN B 401 1555 1555 2.36 LINK ZN ZN B 401 O HOH B 628 1555 1555 1.98 LINK ZN ZN B 401 O HOH B 636 1555 1555 2.23 CRYST1 67.620 102.200 102.350 90.00 90.00 90.00 P 21 21 21 8 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 0.014789 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009785 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009770 0.00000