HEADER DNA BINDING PROTEIN 10-NOV-94 1DTR OBSLTE 20-AUG-97 1DTR 2DTR TITLE THREE-DIMENSIONAL STRUCTURE OF THE DIPHTHERIA TOXIN TITLE 2 REPRESSOR IN COMPLEX WITH DIVALENT CATION CO-REPRESSORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIPHTHERIA TOXIN REPRESSOR; COMPND 3 CHAIN: NULL; COMPND 4 SYNONYM: DTXR; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CORYNEBACTERIUM DIPHTHERIAE; SOURCE 3 STRAIN: C7 (-); SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_STRAIN: DH5A; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PMS298; SOURCE 7 EXPRESSION_SYSTEM_GENE: T7 KEYWDS FE-DEPENDENT REPRESSOR EXPDTA X-RAY DIFFRACTION AUTHOR X.QIU,W.G.J.HOL REVDAT 1 15-NOV-95 1DTR 0 JRNL AUTH X.QIU,C.L.VERLINDE,S.ZHANG,M.P.SCHMITT,R.K.HOLMES, JRNL AUTH 2 W.G.J.HOL JRNL TITL THREE-DIMENSIONAL STRUCTURE OF THE DIPHTHERIA JRNL TITL 2 TOXIN REPRESSOR IN COMPLEX WITH DIVALENT CATION JRNL TITL 3 CO-REPRESSORS JRNL REF STRUCTURE (LONDON) V. 3 87 1995 JRNL REFN ASTM STRUE6 UK ISSN 0969-2126 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.SCHMITT,E.TWIDDY,R.HOLMES REMARK 1 TITL PURIFICATION AND CHARACTERIZATION OF THE REMARK 1 TITL 2 DIPHTHERIA TOXIN REPRESSOR REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 89 7576 1992 REMARK 1 REFN ASTM PNASA6 US ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 1DTR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 5036 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 1296 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.30 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DTR COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 1DTR SITE 1DTR S1 - METAL CO-REPRESSOR BINDING SITE 1 1DTR REMARK 5 S2 - METAL CO-REPRESSOR BINDING SITE 1 1DTR REMARK 6 REMARK 6 1DTR RESIDUES 60, 168 - 191 ARE POORLY DEFINED IN THE REMARK 6 ELECTRON 1DTR DENSITY. A FURTHER REFINED STRUCTURE WILL REMARK 6 SOON BE 1DTR AVAILABLE IN PLACE OF THIS TENTATIVE ENTRY. REMARK 6 1DTR REMARK 18 REMARK 18 1DTR EXPERIMENTAL DETAILS. 1DTR DATE OF DATA COLLECTION : REMARK 18 10-OCT-94 1DTR MONOCHROMATIC (Y/N) : Y 1DTR LAUE (Y/N) : N REMARK 18 1DTR WAVELENGTH OR RANGE (A) : 1.54 1DTR DATA REDUNDANCY : REMARK 18 3. 1DTR MERGING R VALUE (INTENSITY) : 0.082 1DTR REMARK 19 REMARK 19 1DTR SOLVENT CONTENT (VS) : 50. % 1DTR REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-1994 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : N 1DTR REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5315 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 71.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,1/3+Z REMARK 290 3555 -X+Y,-X,2/3+Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,2/3-Z REMARK 290 6555 -X,-X+Y,1/3-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 -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 36.19333 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 72.38667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 72.38667 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 36.19333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 MET 1 REMARK 465 LYS 2 REMARK 465 ASP 3 REMARK 465 ALA 146 REMARK 465 ALA 147 REMARK 465 PRO 148 REMARK 465 GLY 149 REMARK 465 THR 150 REMARK 465 ARG 151 REMARK 465 VAL 152 REMARK 465 ILE 153 REMARK 465 ASP 154 REMARK 465 ALA 155 REMARK 465 ALA 156 REMARK 465 THR 157 REMARK 465 SER 158 REMARK 465 MET 159 REMARK 465 PRO 160 REMARK 465 ARG 161 REMARK 465 LYS 162 REMARK 465 VAL 163 REMARK 465 ARG 164 REMARK 465 ILE 165 REMARK 465 VAL 166 REMARK 465 GLN 167 REMARK 465 GLU 192 REMARK 465 VAL 193 REMARK 465 GLU 194 REMARK 465 ILE 195 REMARK 465 VAL 196 REMARK 465 ASP 197 REMARK 465 ARG 198 REMARK 465 ASP 199 REMARK 465 GLY 200 REMARK 465 HIS 201 REMARK 465 ILE 202 REMARK 465 THR 203 REMARK 465 LEU 204 REMARK 465 SER 205 REMARK 465 HIS 206 REMARK 465 ASN 207 REMARK 465 GLY 208 REMARK 465 LYS 209 REMARK 465 ASP 210 REMARK 465 VAL 211 REMARK 465 GLU 212 REMARK 465 LEU 213 REMARK 465 LEU 214 REMARK 465 ASP 215 REMARK 465 ASP 216 REMARK 465 LEU 217 REMARK 465 ALA 218 REMARK 465 HIS 219 REMARK 465 THR 220 REMARK 465 ILE 221 REMARK 465 ARG 222 REMARK 465 ILE 223 REMARK 465 GLU 224 REMARK 465 GLU 225 REMARK 465 LEU 226 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 ALA 145 CA C O CB REMARK 470 ILE 168 CG1 CG2 CD1 REMARK 470 ASN 169 CG OD1 ND2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET 10 CG MET 10 SD 0.099 REMARK 500 MET 10 SD MET 10 CE 0.132 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU 138 N - CA - C ANGL. DEV. = 15.0 DEGREES REMARK 500 LEU 182 N - CA - C ANGL. DEV. =-14.9 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 ARG 60 13.18 147.30 REMARK 500 LEU 138 170.23 29.37 REMARK 500 VAL 140 142.44 73.52 REMARK 500 VAL 189 149.49 40.76 REMARK 999 REMARK 999 1DTR CROSS REFERENCE TO SEQUENCE DATABASE 1DTR SWISS-PROT REMARK 999 ENTRY NAME PDB ENTRY CHAIN NAME 1DTR DTXR_CORDI 1DTR SEQRES 1 226 MET LYS ASP LEU VAL ASP THR THR GLU MET TYR LEU ARG SEQRES 2 226 THR ILE TYR GLU LEU GLU GLU GLU GLY VAL THR PRO LEU SEQRES 3 226 ARG ALA ARG ILE ALA GLU ARG LEU GLU GLN SER GLY PRO SEQRES 4 226 THR VAL SER GLN THR VAL ALA ARG MET GLU ARG ASP GLY SEQRES 5 226 LEU VAL VAL VAL ALA SER ASP ARG SER LEU GLN MET THR SEQRES 6 226 PRO THR GLY ARG THR LEU ALA THR ALA VAL MET ARG LYS SEQRES 7 226 HIS ARG LEU ALA GLU ARG LEU LEU THR ASP ILE ILE GLY SEQRES 8 226 LEU ASP ILE ASN LYS VAL HIS ASP GLU ALA CYS ARG TRP SEQRES 9 226 GLU HIS VAL MET SER ASP GLU VAL GLU ARG ARG LEU VAL SEQRES 10 226 LYS VAL LEU LYS ASP VAL SER ARG SER PRO PHE GLY ASN SEQRES 11 226 PRO ILE PRO GLY LEU ASP GLU LEU GLY VAL GLY ASN SER SEQRES 12 226 ASP ALA ALA ALA PRO GLY THR ARG VAL ILE ASP ALA ALA SEQRES 13 226 THR SER MET PRO ARG LYS VAL ARG ILE VAL GLN ILE ASN SEQRES 14 226 GLU ILE PHE GLN VAL GLU THR ASP GLN PHE THR GLN LEU SEQRES 15 226 LEU ASP ALA ASP ILE ARG VAL GLY SER GLU VAL GLU ILE SEQRES 16 226 VAL ASP ARG ASP GLY HIS ILE THR LEU SER HIS ASN GLY SEQRES 17 226 LYS ASP VAL GLU LEU LEU ASP ASP LEU ALA HIS THR ILE SEQRES 18 226 ARG ILE GLU GLU LEU FTNOTE 1 ASP 144 - ALA 145 OMEGA = 0.00 PEPTIDE BOND DEVIATES FTNOTE 1 SIGNIFICANTLY FROM TRANS CONFORMATION HELIX 1 1 THR 7 GLU 21 1 15 HELIX 2 2 ARG 27 LEU 34 1 8 HELIX 3 3 GLY 38 GLU 49 1 12 HELIX 4 4 PRO 66 ASP 88 1 23 HELIX 5 5 VAL 97 TRP 104 1 8 HELIX 6 6 ASP 110 VAL 119 1 10 HELIX 7 7 VAL 174 THR 176 5 3 SHEET 1 A 2 VAL 54 VAL 56 0 SHEET 2 A 2 LEU 62 MET 64 -1 N GLN 63 O VAL 55 SITE 1 S1 3 HIS 79 GLU 83 HIS 98 SITE 1 S2 3 CYS 102 GLU 105 HIS 106 CRYST1 64.560 64.560 108.580 90.00 90.00 120.00 P 31 2 1 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 0.015489 0.008943 0.000000 0.00000 SCALE2 0.000000 0.017886 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009210 0.00000