HEADER HYDROLASE 01-APR-10 3MF8 TITLE CRYSTAL STRUCTURE OF NATIVE CIS-CAAD COMPND MOL_ID: 1; COMPND 2 MOLECULE: CIS-3-CHLOROACRYLIC ACID DEHALOGENASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 2-118; COMPND 5 EC: 3.8.1.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CORYNEFORM BACTERIUM; SOURCE 3 ORGANISM_TAXID: 1728; SOURCE 4 GENE: CIS-CAAD; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21-GOLD(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET3 KEYWDS BETA-ALPHA-BETA MOTIF, TAUTOMERASE, CIS-3-CHLOROACRYLIC ACID KEYWDS 2 DEHALOGANASE, ISOMERASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.GUO,H.SERRANO,S.R.ERNST,W.H.JOHNSON JR.,M.L.HACKERT,C.P.WHITMAN REVDAT 5 06-SEP-23 3MF8 1 REMARK REVDAT 4 08-NOV-17 3MF8 1 REMARK REVDAT 3 29-FEB-12 3MF8 1 VERSN REVDAT 2 02-FEB-11 3MF8 1 JRNL REVDAT 1 12-JAN-11 3MF8 0 JRNL AUTH Y.GUO,H.SERRANO,W.H.JOHNSON JR.,S.ERNST,M.L.HACKERT, JRNL AUTH 2 C.P.WHITMAN JRNL TITL CRYSTAL STRUCTURES OF NATIVE AND INACTIVATED JRNL TITL 2 CIS-3-CHLOROACRYLIC ACID DEHALOGENASE: IMPLICATIONS FOR THE JRNL TITL 3 CATALYTIC AND INACTIVATION MECHANISMS. JRNL REF BIOORG.CHEM. V. 39 1 2011 JRNL REFN ISSN 0045-2068 JRNL PMID 21074239 JRNL DOI 10.1016/J.BIOORG.2010.10.001 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 7398 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) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 356 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.01 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.06 REMARK 3 REFLECTION IN BIN (WORKING SET) : 549 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1960 REMARK 3 BIN FREE R VALUE SET COUNT : 19 REMARK 3 BIN FREE R VALUE : 0.3150 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 912 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 101 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.18 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.26000 REMARK 3 B22 (A**2) : 0.26000 REMARK 3 B33 (A**2) : -0.39000 REMARK 3 B12 (A**2) : 0.13000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.139 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.178 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.118 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.277 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.936 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.902 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 932 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1261 ; 1.412 ; 1.918 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 116 ; 5.707 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 48 ;40.170 ;23.750 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 148 ;17.800 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;17.688 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 135 ; 0.106 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 728 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 417 ; 0.233 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 607 ; 0.307 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 83 ; 0.224 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 54 ; 0.185 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 15 ; 0.392 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 594 ; 0.968 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 921 ; 1.605 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 379 ; 5.300 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 340 ; 4.508 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 973 ; 5.925 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 106 ; 4.866 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 912 ; 2.816 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3MF8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000058470. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-MAR-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : BLUE MAX-FLUX OPTICAL SYSTEM REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7768 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 51.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 10.70 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 51.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : 9.80 REMARK 200 R MERGE FOR SHELL (I) : 0.09000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: CASPR REMARK 200 STARTING MODEL: PDB ENTRY 2FLT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THREE MICRO LITER OF 14 MG/ML CIS-CAAD REMARK 280 PROTEIN SAMPLE MIXED WITH THREE MICRO LITER CRYSTALLIZATION REMARK 280 SOLUTION: 8 M (NH4)2SO4, 0.1 M BICINE BUFFER (PH 9.0), HANGING REMARK 280 DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 29.14850 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 29.14850 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.14850 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13360 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -100.0 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 -0.500000 -0.866025 0.000000 29.49350 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 51.08424 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -29.49350 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 51.08424 REMARK 350 BIOMT3 3 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 172 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 PHE A 118 REMARK 465 LEU A 119 REMARK 465 PRO A 120 REMARK 465 GLN A 121 REMARK 465 PRO A 122 REMARK 465 GLY A 123 REMARK 465 HIS A 124 REMARK 465 GLU A 125 REMARK 465 GLY A 126 REMARK 465 GLU A 127 REMARK 465 TRP A 128 REMARK 465 PHE A 129 REMARK 465 ASP A 130 REMARK 465 ASN A 131 REMARK 465 LEU A 132 REMARK 465 SER A 133 REMARK 465 SER A 134 REMARK 465 ASP A 135 REMARK 465 GLU A 136 REMARK 465 ARG A 137 REMARK 465 ALA A 138 REMARK 465 PHE A 139 REMARK 465 MET A 140 REMARK 465 GLU A 141 REMARK 465 THR A 142 REMARK 465 ASN A 143 REMARK 465 VAL A 144 REMARK 465 ASP A 145 REMARK 465 VAL A 146 REMARK 465 SER A 147 REMARK 465 ARG A 148 REMARK 465 THR A 149 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 150 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3MF7 RELATED DB: PDB DBREF 3MF8 A 1 149 UNP Q6VPE5 Q6VPE5_9CORY 2 150 SEQRES 1 A 149 PRO VAL TYR MET VAL TYR VAL SER GLN ASP ARG LEU THR SEQRES 2 A 149 PRO SER ALA LYS HIS ALA VAL ALA LYS ALA ILE THR ASP SEQRES 3 A 149 ALA HIS ARG GLY LEU THR GLY THR GLN HIS PHE LEU ALA SEQRES 4 A 149 GLN VAL ASN PHE GLN GLU GLN PRO ALA GLY ASN VAL PHE SEQRES 5 A 149 LEU GLY GLY VAL GLN GLN GLY GLY ASP THR ILE PHE VAL SEQRES 6 A 149 HIS GLY LEU HIS ARG GLU GLY ARG SER ALA ASP LEU LYS SEQRES 7 A 149 GLY GLN LEU ALA GLN ARG ILE VAL ASP ASP VAL SER VAL SEQRES 8 A 149 ALA ALA GLU ILE ASP ARG LYS HIS ILE TRP VAL TYR PHE SEQRES 9 A 149 GLY GLU MET PRO ALA GLN GLN MET VAL GLU TYR GLY ARG SEQRES 10 A 149 PHE LEU PRO GLN PRO GLY HIS GLU GLY GLU TRP PHE ASP SEQRES 11 A 149 ASN LEU SER SER ASP GLU ARG ALA PHE MET GLU THR ASN SEQRES 12 A 149 VAL ASP VAL SER ARG THR HET SO4 A 150 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *101(H2 O) HELIX 1 1 THR A 13 GLY A 33 1 21 HELIX 2 2 GLN A 35 ALA A 39 5 5 HELIX 3 3 SER A 74 ALA A 93 1 20 HELIX 4 4 ASP A 96 LYS A 98 5 3 HELIX 5 5 PRO A 108 MET A 112 5 5 SHEET 1 A 4 GLN A 40 GLN A 46 0 SHEET 2 A 4 VAL A 2 SER A 8 1 N TYR A 3 O ASN A 42 SHEET 3 A 4 ILE A 63 ARG A 70 -1 O HIS A 66 N MET A 4 SHEET 4 A 4 ILE A 100 MET A 107 1 O GLY A 105 N HIS A 69 SHEET 1 B 2 PHE A 52 LEU A 53 0 SHEET 2 B 2 VAL A 56 GLN A 57 -1 O VAL A 56 N LEU A 53 SITE 1 AC1 7 PRO A 1 HIS A 28 THR A 34 HIS A 69 SITE 2 AC1 7 ARG A 70 ARG A 73 HOH A 154 CRYST1 58.987 58.987 58.297 90.00 90.00 120.00 P 63 6 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 0.016953 0.009788 0.000000 0.00000 SCALE2 0.000000 0.019576 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017154 0.00000