HEADER HYDROLASE 20-MAY-10 3AJ0 OBSLTE 09-APR-14 3AJ0 4KEP TITLE CRYSTAL STRUCTURE OF 4-PYRIDOXOLACTONASE FROM MESORHIZOBIUM LOTI COMPND MOL_ID: 1; COMPND 2 MOLECULE: 4-PYRIDOXOLACTONASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MLR6805 PROTEIN; COMPND 5 EC: 3.1.1.27; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESORHIZOBIUM LOTI; SOURCE 3 ORGANISM_TAXID: 381; SOURCE 4 STRAIN: MAFF303099; SOURCE 5 GENE: MLR6805; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS ZN-PROTEIN, PYRIDOXINE, METALLO-BETA-LACTAMASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.KOBAYASHI,Y.YOSHIKANE,S.BABA,B.MIKAMI,T.YAGI REVDAT 2 09-APR-14 3AJ0 1 OBSLTE VERSN REVDAT 1 25-MAY-11 3AJ0 0 JRNL AUTH J.KOBAYASHI,Y.YOSHIKANE,S.BABA,B.MIKAMI,T.YAGI JRNL TITL CRYSTAL STRUCTURE OF 4-PYRIDOXOLACTONASE, A METALLO ENZYME JRNL TITL 2 INVOLVED IN VITAMIN B6 DEGRADATION IN MESORHIZOBIUM LOTI JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.89 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0102 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.05 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 19769 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1011 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) : 1.89 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.94 REMARK 3 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.80 REMARK 3 BIN R VALUE (WORKING SET) : 0.1785 REMARK 3 BIN FREE R VALUE SET COUNT : 1011 REMARK 3 BIN FREE R VALUE : 0.2212 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2099 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 159 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 8.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : NULL 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; 0.022 ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; 1.837 ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; 6.423 ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ;33.318 ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; 0.137 ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; 0.010 ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; 0.218 ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; 0.311 ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; 0.117 ; NULL 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): NULL ; 0.226 ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; 0.207 ; NULL 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): NULL ; 1.043 ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; 1.634 ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; 2.978 ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; 4.488 ; NULL 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): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3AJ0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 02-JUN-10. REMARK 100 THE RCSB ID CODE IS RCSB029310. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : SI TWO-CRYSTAL SPECTROMETER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19769 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.890 REMARK 200 RESOLUTION RANGE LOW (A) : 43.050 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.7 REMARK 200 DATA REDUNDANCY IN SHELL : 4.60 REMARK 200 R MERGE FOR SHELL (I) : 0.10000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.172 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 3AJ3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.2M AMMONUM ACETATE, REMARK 280 0.1M SODIUM ACETATE, PH 7.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K 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 43.11950 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.67300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 43.11950 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 19.67300 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: 1590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 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 38.84139 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -72.98855 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 A 1 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 PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 173 CB - CG - CD2 ANGL. DEV. = -11.3 DEGREES 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 ASN A 24 -34.96 71.14 REMARK 500 ASP A 50 166.88 66.19 REMARK 500 THR A 51 25.46 -144.45 REMARK 500 HIS A 96 167.99 176.65 REMARK 500 SER A 162 33.80 -140.65 REMARK 500 ILE A 206 -138.00 47.27 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 269 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 252 NE2 REMARK 620 2 HIS A 101 NE2 118.7 REMARK 620 3 ASP A 207 OD1 93.8 99.4 REMARK 620 4 ASP A 207 OD2 142.2 89.6 54.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 270 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 185 NE2 REMARK 620 2 HIS A 96 NE2 107.1 REMARK 620 3 HOH A 429 O 130.7 120.7 REMARK 620 4 ASP A 207 OD2 89.8 89.3 80.3 REMARK 620 5 HIS A 98 ND1 91.4 95.2 95.2 174.8 REMARK 620 N 1 2 3 4 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 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 270 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3AJ3 RELATED DB: PDB DBREF 3AJ0 A 1 268 UNP Q988B9 Q988B9_RHILO 1 268 SEQRES 1 A 268 MET SER ASP THR LYS VAL TYR LEU LEU ASP GLY GLY SER SEQRES 2 A 268 LEU VAL LEU ASP GLY TYR HIS VAL PHE TRP ASN ARG GLY SEQRES 3 A 268 PRO GLY GLY GLU VAL ARG PHE PRO VAL TYR SER ILE LEU SEQRES 4 A 268 ILE GLU HIS ALA GLU GLY ARG PHE LEU ILE ASP THR GLY SEQRES 5 A 268 TYR ASP TYR ASP HIS VAL MET LYS VAL LEU PRO PHE GLU SEQRES 6 A 268 LYS PRO ILE GLN GLU LYS HIS GLN THR ILE PRO GLY ALA SEQRES 7 A 268 LEU GLY LEU LEU GLY LEU GLU PRO ARG ASP ILE ASP VAL SEQRES 8 A 268 VAL VAL ASN SER HIS PHE HIS PHE ASP HIS CYS GLY GLY SEQRES 9 A 268 ASN LYS TYR PHE PRO HIS ALA LYS LYS ILE CYS HIS ARG SEQRES 10 A 268 SER GLU VAL PRO GLN ALA CYS ASN PRO GLN PRO PHE GLU SEQRES 11 A 268 HIS LEU GLY TYR SER ASP LEU SER PHE SER ALA GLU ALA SEQRES 12 A 268 ALA GLU ALA ARG GLY ALA THR ALA GLN LEU LEU GLU GLY SEQRES 13 A 268 THR THR ARG ALA ASN SER THR PHE GLU GLY ILE ASP GLY SEQRES 14 A 268 ASP VAL ASP LEU ALA ARG GLY VAL LYS LEU ILE SER THR SEQRES 15 A 268 PRO GLY HIS SER ILE GLY HIS TYR SER LEU LEU VAL GLU SEQRES 16 A 268 PHE PRO ARG ARG LYS PRO ILE LEU PHE THR ILE ASP ALA SEQRES 17 A 268 ALA TYR THR GLN LYS SER LEU GLU THR LEU CYS GLN ALA SEQRES 18 A 268 ALA PHE HIS ILE ASP PRO VAL ALA GLY VAL ASN SER MET SEQRES 19 A 268 ARG LYS VAL LYS LYS LEU ALA GLU ASP HIS GLY ALA GLU SEQRES 20 A 268 LEU MET TYR SER HIS ASP MET ASP ASN PHE LYS THR TYR SEQRES 21 A 268 ARG THR GLY THR GLN PHE TYR GLY HET ZN A 269 1 HET ZN A 270 1 HETNAM ZN ZINC ION FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HOH *159(H2 O) HELIX 1 1 GLY A 18 PHE A 22 1 5 HELIX 2 2 ASP A 54 LEU A 62 1 9 HELIX 3 3 PRO A 63 LYS A 66 5 4 HELIX 4 4 GLU A 70 GLN A 73 5 4 HELIX 5 5 THR A 74 LEU A 81 1 8 HELIX 6 6 GLU A 85 ILE A 89 5 5 HELIX 7 7 HIS A 98 GLY A 103 1 6 HELIX 8 8 GLY A 104 PHE A 108 5 5 HELIX 9 9 SER A 118 ASN A 125 1 8 HELIX 10 10 GLN A 127 HIS A 131 5 5 HELIX 11 11 SER A 140 GLY A 148 1 9 HELIX 12 12 ALA A 149 LEU A 153 5 5 HELIX 13 13 THR A 158 SER A 162 5 5 HELIX 14 14 ILE A 206 ALA A 209 5 4 HELIX 15 15 THR A 211 LEU A 218 1 8 HELIX 16 16 ASP A 226 GLY A 245 1 20 HELIX 17 17 ASP A 253 LYS A 258 1 6 SHEET 1 A 6 LYS A 5 ASP A 17 0 SHEET 2 A 6 GLU A 30 HIS A 42 -1 O PHE A 33 N LEU A 14 SHEET 3 A 6 GLY A 45 ILE A 49 -1 O PHE A 47 N ILE A 40 SHEET 4 A 6 VAL A 91 VAL A 93 1 O VAL A 93 N LEU A 48 SHEET 5 A 6 LYS A 112 HIS A 116 1 O LYS A 112 N VAL A 92 SHEET 6 A 6 PHE A 164 ILE A 167 1 O GLU A 165 N LYS A 113 SHEET 1 B 5 VAL A 171 ALA A 174 0 SHEET 2 B 5 VAL A 177 SER A 181 -1 O LEU A 179 N VAL A 171 SHEET 3 B 5 TYR A 190 PHE A 196 -1 O LEU A 193 N LYS A 178 SHEET 4 B 5 ARG A 199 PHE A 204 -1 O PHE A 204 N LEU A 192 SHEET 5 B 5 GLU A 247 MET A 249 1 O GLU A 247 N PRO A 201 LINK NE2 HIS A 252 ZN ZN A 269 1555 1555 2.04 LINK NE2 HIS A 101 ZN ZN A 269 1555 1555 2.10 LINK OD1 ASP A 207 ZN ZN A 269 1555 1555 2.12 LINK NE2 HIS A 185 ZN ZN A 270 1555 1555 2.12 LINK NE2 HIS A 96 ZN ZN A 270 1555 1555 2.17 LINK ZN ZN A 270 O HOH A 429 1555 1555 2.22 LINK OD2 ASP A 207 ZN ZN A 270 1555 1555 2.28 LINK ND1 HIS A 98 ZN ZN A 270 1555 1555 2.31 LINK OD2 ASP A 207 ZN ZN A 269 1555 1555 2.42 CISPEP 1 GLY A 26 PRO A 27 0 8.42 SITE 1 AC1 4 ASP A 100 HIS A 101 ASP A 207 HIS A 252 SITE 1 AC2 5 HIS A 96 HIS A 98 HIS A 185 ASP A 207 SITE 2 AC2 5 HOH A 429 CRYST1 86.239 39.346 82.680 90.00 118.02 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 0.011596 0.000000 0.006170 0.00000 SCALE2 0.000000 0.025416 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013701 0.00000