HEADER HYDROLASE 25-FEB-14 4P16 TITLE CRYSTAL STRUCTURE OF THE PAPAIN-LIKE PROTEASE OF MIDDLE-EAST TITLE 2 RESPIRATORY SYNDROME CORONAVIRUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ORF1A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 1482-1801; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN BETACORONAVIRUS 2C EMC/2012; SOURCE 3 ORGANISM_TAXID: 1235996; SOURCE 4 GENE: ORF1AB; SOURCE 5 EXPRESSION_SYSTEM: E.COLI-K.PASTORIS SHUTTLE VECTOR PPPB1GAP; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 1182033 KEYWDS MERS-COV, PAPAIN-LIKE PROTEASE, DEUBIQUITINASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.LEI,J.R.MESTERS,Q.MA,R.HILGENFELD REVDAT 7 30-OCT-24 4P16 1 REMARK REVDAT 6 27-SEP-23 4P16 1 REMARK REVDAT 5 15-JAN-20 4P16 1 SOURCE REMARK REVDAT 4 27-AUG-14 4P16 1 REMARK REVDAT 3 06-AUG-14 4P16 1 JRNL REVDAT 2 04-JUN-14 4P16 1 REMARK REVDAT 1 07-MAY-14 4P16 0 JRNL AUTH J.LEI,J.R.MESTERS,C.DROSTEN,S.ANEMULLER,Q.MA,R.HILGENFELD JRNL TITL CRYSTAL STRUCTURE OF THE PAPAIN-LIKE PROTEASE OF MERS JRNL TITL 2 CORONAVIRUS REVEALS UNUSUAL, POTENTIALLY DRUGGABLE JRNL TITL 3 ACTIVE-SITE FEATURES. JRNL REF ANTIVIRAL RES. V.109C 72 2014 JRNL REFN ISSN 0166-3542 JRNL PMID 24992731 JRNL DOI 10.1016/J.ANTIVIRAL.2014.06.011 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.4 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.60 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 12337 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.189 REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.790 REMARK 3 FREE R VALUE TEST SET COUNT : 591 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 : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.74 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.66 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2873 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2391 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2733 REMARK 3 BIN R VALUE (WORKING SET) : 0.2358 REMARK 3 BIN FREE R VALUE : 0.3026 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.87 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 140 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2461 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 46 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 59.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.28 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.98250 REMARK 3 B22 (A**2) : -34.46850 REMARK 3 B33 (A**2) : 27.48600 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 8.02620 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.342 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.471 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.258 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.488 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.263 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 : 0.893 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.864 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2512 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3404 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 860 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 55 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 364 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2512 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 325 ; 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 : 2812 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.13 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.87 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 20.64 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 4P16 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-14. REMARK 100 THE DEPOSITION ID IS D_1000200473. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-DEC-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PETRA III, DESY REMARK 200 BEAMLINE : P11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 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 : 12337 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 42.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : 0.47000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 2FE8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.056 M SODIUM DIHYDROGENPHOSPHATE REMARK 280 MONOHYDRATE (NAH2PO4), 1.344 M POTASSIUM MONOHYDROGENPHOSPHATE REMARK 280 (K2HPO4), PH 8.0, AND 15% GLYCEROL, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 291K 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 50.44550 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.83300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 50.44550 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.83300 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: 3110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 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 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 A 503 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 GLY A -5 REMARK 465 SER A -4 REMARK 465 HIS A -3 REMARK 465 MET A -2 REMARK 465 ALA A -1 REMARK 465 SER A 0 REMARK 465 ILE A 272 REMARK 465 GLU A 273 REMARK 465 THR A 274 REMARK 465 ALA A 275 REMARK 465 ASP A 320 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 23 CG CD CE NZ REMARK 480 LYS A 48 CG CD CE NZ REMARK 480 LYS A 66 CG CD CE NZ REMARK 480 LYS A 94 CD CE NZ REMARK 480 LYS A 105 CD CE NZ REMARK 480 LYS A 124 CG CD CE NZ REMARK 480 LYS A 127 CD CE NZ REMARK 480 LYS A 304 CD CE NZ REMARK 480 LYS A 306 CD CE NZ REMARK 480 LYS A 316 CD CE NZ 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 LEU A 30 -56.44 -143.99 REMARK 500 SER A 107 133.61 -171.32 REMARK 500 CYS A 181 -140.31 -93.09 REMARK 500 ALA A 260 78.95 46.09 REMARK 500 SER A 294 70.10 51.34 REMARK 500 THR A 308 -80.12 -114.20 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 CYS A 191 SG REMARK 620 2 CYS A 194 SG 112.6 REMARK 620 3 CYS A 226 SG 111.0 99.7 REMARK 620 4 CYS A 228 SG 107.6 115.4 110.4 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 401 DBREF 4P16 A 1 320 UNP K4LC41 K4LC41_9BETC 1482 1801 SEQADV 4P16 GLY A -5 UNP K4LC41 EXPRESSION TAG SEQADV 4P16 SER A -4 UNP K4LC41 EXPRESSION TAG SEQADV 4P16 HIS A -3 UNP K4LC41 EXPRESSION TAG SEQADV 4P16 MET A -2 UNP K4LC41 EXPRESSION TAG SEQADV 4P16 ALA A -1 UNP K4LC41 EXPRESSION TAG SEQADV 4P16 SER A 0 UNP K4LC41 EXPRESSION TAG SEQRES 1 A 326 GLY SER HIS MET ALA SER GLN LEU THR ILE GLU VAL LEU SEQRES 2 A 326 VAL THR VAL ASP GLY VAL ASN PHE ARG THR VAL VAL LEU SEQRES 3 A 326 ASN ASN LYS ASN THR TYR ARG SER GLN LEU GLY CYS VAL SEQRES 4 A 326 PHE PHE ASN GLY ALA ASP ILE SER ASP THR ILE PRO ASP SEQRES 5 A 326 GLU LYS GLN ASN GLY HIS SER LEU TYR LEU ALA ASP ASN SEQRES 6 A 326 LEU THR ALA ASP GLU THR LYS ALA LEU LYS GLU LEU TYR SEQRES 7 A 326 GLY PRO VAL ASP PRO THR PHE LEU HIS ARG PHE TYR SER SEQRES 8 A 326 LEU LYS ALA ALA VAL HIS GLY TRP LYS MET VAL VAL CYS SEQRES 9 A 326 ASP LYS VAL ARG SER LEU LYS LEU SER ASP ASN ASN CME SEQRES 10 A 326 TYR LEU ASN ALA VAL ILE MET THR LEU ASP LEU LEU LYS SEQRES 11 A 326 ASP ILE LYS PHE VAL ILE PRO ALA LEU GLN HIS ALA PHE SEQRES 12 A 326 MET LYS HIS LYS GLY GLY ASP SER THR ASP PHE ILE ALA SEQRES 13 A 326 LEU ILE MET ALA TYR GLY ASN CYS THR PHE GLY ALA PRO SEQRES 14 A 326 ASP ASP ALA SER ARG LEU LEU HIS THR VAL LEU ALA LYS SEQRES 15 A 326 ALA GLU LEU CYS CYS SER ALA ARG MET VAL TRP ARG GLU SEQRES 16 A 326 TRP CYS ASN VAL CYS GLY ILE LYS ASP VAL VAL LEU GLN SEQRES 17 A 326 GLY LEU LYS ALA CYS CYS TYR VAL GLY VAL GLN THR VAL SEQRES 18 A 326 GLU ASP LEU ARG ALA ARG MET THR TYR VAL CYS GLN CYS SEQRES 19 A 326 GLY GLY GLU ARG HIS ARG GLN LEU VAL GLU HIS THR THR SEQRES 20 A 326 PRO TRP LEU LEU LEU SER GLY THR PRO ASN GLU LYS LEU SEQRES 21 A 326 VAL THR THR SER THR ALA PRO ASP PHE VAL ALA PHE ASN SEQRES 22 A 326 VAL PHE GLN GLY ILE GLU THR ALA VAL GLY HIS TYR VAL SEQRES 23 A 326 HIS ALA ARG LEU LYS GLY GLY LEU ILE LEU LYS PHE ASP SEQRES 24 A 326 SER GLY THR VAL SER LYS THR SER ASP TRP LYS CYS LYS SEQRES 25 A 326 VAL THR ASP VAL LEU PHE PRO GLY GLN LYS TYR SER SER SEQRES 26 A 326 ASP MODRES 4P16 CME A 111 CYS MODIFIED RESIDUE HET CME A 111 10 HET ZN A 401 1 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM ZN ZINC ION FORMUL 1 CME C5 H11 N O3 S2 FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *46(H2 O) HELIX 1 AA1 THR A 25 LEU A 30 1 6 HELIX 2 AA2 ASP A 46 ASN A 50 5 5 HELIX 3 AA3 THR A 61 TYR A 72 1 12 HELIX 4 AA4 THR A 78 HIS A 91 1 14 HELIX 5 AA5 ASN A 110 ASP A 121 1 12 HELIX 6 AA6 ILE A 130 GLY A 142 1 13 HELIX 7 AA7 SER A 145 ASN A 157 1 13 HELIX 8 AA8 ASP A 165 ALA A 175 1 11 HELIX 9 AA9 LEU A 204 ALA A 206 5 3 HELIX 10 AB1 THR A 214 ALA A 220 1 7 SHEET 1 AA1 5 ARG A 16 ASN A 21 0 SHEET 2 AA1 5 THR A 3 THR A 9 -1 N VAL A 8 O ARG A 16 SHEET 3 AA1 5 SER A 53 LEU A 56 1 O LEU A 54 N LEU A 7 SHEET 4 AA1 5 VAL A 33 PHE A 35 -1 N PHE A 34 O TYR A 55 SHEET 5 AA1 5 ALA A 38 ASP A 39 -1 O ALA A 38 N PHE A 35 SHEET 1 AA2 2 MET A 95 CYS A 98 0 SHEET 2 AA2 2 VAL A 101 LEU A 104 -1 O SER A 103 N VAL A 96 SHEET 1 AA3 2 ILE A 126 PHE A 128 0 SHEET 2 AA3 2 ALA A 177 LEU A 179 -1 O GLU A 178 N LYS A 127 SHEET 1 AA4 4 GLY A 195 GLN A 202 0 SHEET 2 AA4 4 ARG A 184 CYS A 191 -1 N GLU A 189 O LYS A 197 SHEET 3 AA4 4 GLU A 231 THR A 256 -1 O VAL A 237 N VAL A 186 SHEET 4 AA4 4 MET A 222 VAL A 225 -1 N TYR A 224 O ARG A 232 SHEET 1 AA5 7 CYS A 208 VAL A 210 0 SHEET 2 AA5 7 GLU A 231 THR A 256 1 O SER A 247 N TYR A 209 SHEET 3 AA5 7 ASP A 302 SER A 318 -1 O TRP A 303 N VAL A 255 SHEET 4 AA5 7 ALA A 265 PHE A 269 -1 N ALA A 265 O LEU A 311 SHEET 5 AA5 7 TYR A 279 LYS A 285 -1 O ALA A 282 N PHE A 266 SHEET 6 AA5 7 LEU A 288 PHE A 292 -1 O LEU A 290 N ARG A 283 SHEET 7 AA5 7 VAL A 297 THR A 300 -1 O SER A 298 N LYS A 291 LINK C ASN A 110 N CME A 111 1555 1555 1.35 LINK C CME A 111 N TYR A 112 1555 1555 1.33 LINK SG CYS A 191 ZN ZN A 401 1555 1555 2.24 LINK SG CYS A 194 ZN ZN A 401 1555 1555 2.26 LINK SG CYS A 226 ZN ZN A 401 1555 1555 2.38 LINK SG CYS A 228 ZN ZN A 401 1555 1555 2.34 SITE 1 AC1 4 CYS A 191 CYS A 194 CYS A 226 CYS A 228 CRYST1 100.891 47.666 88.425 90.00 122.35 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 0.009912 0.000000 0.006278 0.00000 SCALE2 0.000000 0.020979 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013387 0.00000