HEADER OXIDOREDUCTASE 16-OCT-09 3K9S TITLE CRYSTAL STRUCTURE OF THE PEROXIDE-BOUND MANGANESE SUPEROXIDE TITLE 2 DISMUTASE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUPEROXIDE DISMUTASE [MN]; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: MNSOD; COMPND 5 EC: 1.15.1.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K-12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: B3908, JW3879, SODA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: OX326A.1; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PTTQA10 KEYWDS MANGANESE SUPEROXIDE DISMUTASE, PEROXIDE-BOUND, MANGANESE, METAL- KEYWDS 2 BINDING, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.C.PORTA,A.VAHEDI-FARIDI,G.E.O.BORGSTAHL REVDAT 3 06-SEP-23 3K9S 1 REMARK LINK REVDAT 2 18-AUG-10 3K9S 1 JRNL REVDAT 1 12-MAY-10 3K9S 0 JRNL AUTH J.PORTA,A.VAHEDI-FARIDI,G.E.BORGSTAHL JRNL TITL STRUCTURAL ANALYSIS OF PEROXIDE-SOAKED MNSOD CRYSTALS JRNL TITL 2 REVEALS SIDE-ON BINDING OF PEROXIDE TO ACTIVE-SITE JRNL TITL 3 MANGANESE. JRNL REF J.MOL.BIOL. V. 399 377 2010 JRNL REFN ISSN 0022-2836 JRNL PMID 20417642 JRNL DOI 10.1016/J.JMB.2010.04.031 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0066 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) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.2 REMARK 3 NUMBER OF REFLECTIONS : 118082 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) : 0.229 REMARK 3 R VALUE (WORKING SET) : 0.227 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 6254 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) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 6479 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 66.27 REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE SET COUNT : 373 REMARK 3 BIN FREE R VALUE : 0.2950 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6512 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 478 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 6.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.05000 REMARK 3 B22 (A**2) : 0.83000 REMARK 3 B33 (A**2) : -0.78000 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): 0.133 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.108 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.072 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.316 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.862 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.830 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 6725 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 9091 ; 1.323 ; 1.931 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 818 ; 5.874 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 324 ;34.302 ;24.568 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1085 ;14.158 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 24 ;10.799 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 949 ; 0.089 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5200 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; 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 ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; 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): 4089 ; 0.783 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 6510 ; 1.110 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2636 ; 1.809 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2580 ; 2.408 ; 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): 6725 ; 1.106 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 481 ; 4.733 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 6523 ; 2.264 ; 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 3K9S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-OCT-09. REMARK 100 THE DEPOSITION ID IS D_1000055725. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-NOV-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : VERTICAL FOCUSING MIRROR SINGLE REMARK 200 CRYSTAL (SI111) BENT REMARK 200 MONOCHROMATOR (HORIZONTAL REMARK 200 FOCUSING) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 139669 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 28.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08220 REMARK 200 FOR THE DATA SET : 10.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.61 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.0 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1D5N REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM BICINE PH 8.5, 25% PEG 6000, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 90.02200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 90.02200 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 50.42450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 53.70900 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 50.42450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 53.70900 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 90.02200 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 50.42450 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 53.70900 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 90.02200 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 50.42450 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 53.70900 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 1720 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17580 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 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 350 REMARK 350 BIOMOLECULE: 2 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: 1710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17410 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O ALA B 203 N LYS B 205 1.26 REMARK 500 O ASP B 97 N LYS B 99 1.28 REMARK 500 C PRO B 64 O HOH B 244 1.80 REMARK 500 CD1 LEU C 14 CE MET C 23 1.84 REMARK 500 OD1 ASP C 61 O HOH C 429 1.96 REMARK 500 N ALA B 65 O HOH B 244 1.98 REMARK 500 CD1 LEU D 4 O HOH D 365 2.08 REMARK 500 O ALA B 203 O LYS B 205 2.09 REMARK 500 OE1 GLU B 117 O HOH B 243 2.13 REMARK 500 O HOH C 265 O HOH C 472 2.15 REMARK 500 O ALA D 202 CD LYS D 204 2.17 REMARK 500 C ASP B 97 N LYS B 99 2.18 REMARK 500 CG GLU D 47 O HOH D 253 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH C 447 O HOH C 447 3755 1.24 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 145 -120.29 57.50 REMARK 500 TYR A 173 -7.86 -142.90 REMARK 500 GLN A 178 -130.25 40.82 REMARK 500 LYS A 204 -6.93 75.80 REMARK 500 HIS B 17 -63.24 -90.74 REMARK 500 LYS B 29 -60.20 -109.48 REMARK 500 ALA B 65 -61.95 29.37 REMARK 500 LYS B 89 139.18 179.63 REMARK 500 GLN B 95 -163.87 -168.04 REMARK 500 LEU B 98 25.28 -27.98 REMARK 500 ILE B 102 -76.59 -61.62 REMARK 500 GLU B 103 37.22 -83.45 REMARK 500 ASP B 105 -31.91 -134.53 REMARK 500 PHE B 106 -161.42 -117.24 REMARK 500 LYS B 137 112.84 150.18 REMARK 500 ASN B 145 -125.37 55.95 REMARK 500 TYR B 173 -5.04 -141.52 REMARK 500 GLN B 178 -128.71 39.34 REMARK 500 PHE B 201 -11.36 -42.50 REMARK 500 ALA B 203 0.58 -59.60 REMARK 500 LYS B 204 -38.03 14.10 REMARK 500 LYS C 29 -64.41 -107.68 REMARK 500 LYS C 89 136.97 -173.40 REMARK 500 ASN C 145 -125.46 54.93 REMARK 500 TYR C 173 -1.57 -141.85 REMARK 500 GLN C 178 -124.48 46.71 REMARK 500 HIS D 17 -60.39 -91.01 REMARK 500 LYS D 29 -63.24 -109.74 REMARK 500 ASN D 145 -122.38 55.76 REMARK 500 TYR D 173 -4.99 -146.84 REMARK 500 GLN D 178 -126.54 34.52 REMARK 500 ARG D 180 57.75 -90.09 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 MN A 206 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 26 NE2 REMARK 620 2 HIS A 81 NE2 95.1 REMARK 620 3 ASP A 167 OD2 89.5 98.2 REMARK 620 4 HIS A 171 NE2 84.3 151.8 109.9 REMARK 620 5 HOH A 207 O 83.3 75.6 170.1 76.3 REMARK 620 6 HOH A 208 O 174.0 90.8 88.8 90.8 99.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN B 206 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 26 NE2 REMARK 620 2 HIS B 81 NE2 89.1 REMARK 620 3 ASP B 167 OD2 85.9 106.3 REMARK 620 4 HIS B 171 NE2 90.9 142.3 111.3 REMARK 620 5 PEO B 207 O1 169.0 99.4 85.0 86.7 REMARK 620 6 PEO B 207 O2 153.3 90.1 119.8 73.8 34.8 REMARK 620 7 HOH B 208 O 177.7 93.1 92.7 87.9 8.9 27.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN C 206 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 26 NE2 REMARK 620 2 HIS C 81 NE2 91.9 REMARK 620 3 ASP C 167 OD2 86.3 103.5 REMARK 620 4 HIS C 171 NE2 89.4 146.7 109.9 REMARK 620 5 PEO C 207 O2 154.0 71.8 78.3 115.5 REMARK 620 6 PEO C 207 O1 162.8 105.0 92.3 75.0 40.6 REMARK 620 7 HOH C 208 O 97.4 76.4 176.2 70.4 98.2 84.1 REMARK 620 8 HOH C 209 O 168.1 96.1 83.2 88.8 27.0 14.6 93.0 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN D 206 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 26 NE2 REMARK 620 2 HIS D 81 NE2 94.6 REMARK 620 3 ASP D 167 OD2 88.8 106.5 REMARK 620 4 HIS D 171 NE2 84.5 137.2 116.2 REMARK 620 5 PEO D 208 O2 151.6 82.9 119.1 78.6 REMARK 620 6 PEO D 208 O1 168.5 95.5 83.1 91.7 36.0 REMARK 620 7 HOH D 209 O 170.5 94.9 88.2 88.7 31.0 5.1 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEO B 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN C 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEO C 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN D 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEO D 208 DBREF 3K9S A 1 205 UNP P00448 SODM_ECOLI 2 206 DBREF 3K9S B 1 205 UNP P00448 SODM_ECOLI 2 206 DBREF 3K9S C 1 205 UNP P00448 SODM_ECOLI 2 206 DBREF 3K9S D 1 205 UNP P00448 SODM_ECOLI 2 206 SEQRES 1 A 205 SER TYR THR LEU PRO SER LEU PRO TYR ALA TYR ASP ALA SEQRES 2 A 205 LEU GLU PRO HIS PHE ASP LYS GLN THR MET GLU ILE HIS SEQRES 3 A 205 HIS THR LYS HIS HIS GLN THR TYR VAL ASN ASN ALA ASN SEQRES 4 A 205 ALA ALA LEU GLU SER LEU PRO GLU PHE ALA ASN LEU PRO SEQRES 5 A 205 VAL GLU GLU LEU ILE THR LYS LEU ASP GLN LEU PRO ALA SEQRES 6 A 205 ASP LYS LYS THR VAL LEU ARG ASN ASN ALA GLY GLY HIS SEQRES 7 A 205 ALA ASN HIS SER LEU PHE TRP LYS GLY LEU LYS LYS GLY SEQRES 8 A 205 THR THR LEU GLN GLY ASP LEU LYS ALA ALA ILE GLU ARG SEQRES 9 A 205 ASP PHE GLY SER VAL ASP ASN PHE LYS ALA GLU PHE GLU SEQRES 10 A 205 LYS ALA ALA ALA SER ARG PHE GLY SER GLY TRP ALA TRP SEQRES 11 A 205 LEU VAL LEU LYS GLY ASP LYS LEU ALA VAL VAL SER THR SEQRES 12 A 205 ALA ASN GLN ASP SER PRO LEU MET GLY GLU ALA ILE SER SEQRES 13 A 205 GLY ALA SER GLY PHE PRO ILE MET GLY LEU ASP VAL TRP SEQRES 14 A 205 GLU HIS ALA TYR TYR LEU LYS PHE GLN ASN ARG ARG PRO SEQRES 15 A 205 ASP TYR ILE LYS GLU PHE TRP ASN VAL VAL ASN TRP ASP SEQRES 16 A 205 GLU ALA ALA ALA ARG PHE ALA ALA LYS LYS SEQRES 1 B 205 SER TYR THR LEU PRO SER LEU PRO TYR ALA TYR ASP ALA SEQRES 2 B 205 LEU GLU PRO HIS PHE ASP LYS GLN THR MET GLU ILE HIS SEQRES 3 B 205 HIS THR LYS HIS HIS GLN THR TYR VAL ASN ASN ALA ASN SEQRES 4 B 205 ALA ALA LEU GLU SER LEU PRO GLU PHE ALA ASN LEU PRO SEQRES 5 B 205 VAL GLU GLU LEU ILE THR LYS LEU ASP GLN LEU PRO ALA SEQRES 6 B 205 ASP LYS LYS THR VAL LEU ARG ASN ASN ALA GLY GLY HIS SEQRES 7 B 205 ALA ASN HIS SER LEU PHE TRP LYS GLY LEU LYS LYS GLY SEQRES 8 B 205 THR THR LEU GLN GLY ASP LEU LYS ALA ALA ILE GLU ARG SEQRES 9 B 205 ASP PHE GLY SER VAL ASP ASN PHE LYS ALA GLU PHE GLU SEQRES 10 B 205 LYS ALA ALA ALA SER ARG PHE GLY SER GLY TRP ALA TRP SEQRES 11 B 205 LEU VAL LEU LYS GLY ASP LYS LEU ALA VAL VAL SER THR SEQRES 12 B 205 ALA ASN GLN ASP SER PRO LEU MET GLY GLU ALA ILE SER SEQRES 13 B 205 GLY ALA SER GLY PHE PRO ILE MET GLY LEU ASP VAL TRP SEQRES 14 B 205 GLU HIS ALA TYR TYR LEU LYS PHE GLN ASN ARG ARG PRO SEQRES 15 B 205 ASP TYR ILE LYS GLU PHE TRP ASN VAL VAL ASN TRP ASP SEQRES 16 B 205 GLU ALA ALA ALA ARG PHE ALA ALA LYS LYS SEQRES 1 C 205 SER TYR THR LEU PRO SER LEU PRO TYR ALA TYR ASP ALA SEQRES 2 C 205 LEU GLU PRO HIS PHE ASP LYS GLN THR MET GLU ILE HIS SEQRES 3 C 205 HIS THR LYS HIS HIS GLN THR TYR VAL ASN ASN ALA ASN SEQRES 4 C 205 ALA ALA LEU GLU SER LEU PRO GLU PHE ALA ASN LEU PRO SEQRES 5 C 205 VAL GLU GLU LEU ILE THR LYS LEU ASP GLN LEU PRO ALA SEQRES 6 C 205 ASP LYS LYS THR VAL LEU ARG ASN ASN ALA GLY GLY HIS SEQRES 7 C 205 ALA ASN HIS SER LEU PHE TRP LYS GLY LEU LYS LYS GLY SEQRES 8 C 205 THR THR LEU GLN GLY ASP LEU LYS ALA ALA ILE GLU ARG SEQRES 9 C 205 ASP PHE GLY SER VAL ASP ASN PHE LYS ALA GLU PHE GLU SEQRES 10 C 205 LYS ALA ALA ALA SER ARG PHE GLY SER GLY TRP ALA TRP SEQRES 11 C 205 LEU VAL LEU LYS GLY ASP LYS LEU ALA VAL VAL SER THR SEQRES 12 C 205 ALA ASN GLN ASP SER PRO LEU MET GLY GLU ALA ILE SER SEQRES 13 C 205 GLY ALA SER GLY PHE PRO ILE MET GLY LEU ASP VAL TRP SEQRES 14 C 205 GLU HIS ALA TYR TYR LEU LYS PHE GLN ASN ARG ARG PRO SEQRES 15 C 205 ASP TYR ILE LYS GLU PHE TRP ASN VAL VAL ASN TRP ASP SEQRES 16 C 205 GLU ALA ALA ALA ARG PHE ALA ALA LYS LYS SEQRES 1 D 205 SER TYR THR LEU PRO SER LEU PRO TYR ALA TYR ASP ALA SEQRES 2 D 205 LEU GLU PRO HIS PHE ASP LYS GLN THR MET GLU ILE HIS SEQRES 3 D 205 HIS THR LYS HIS HIS GLN THR TYR VAL ASN ASN ALA ASN SEQRES 4 D 205 ALA ALA LEU GLU SER LEU PRO GLU PHE ALA ASN LEU PRO SEQRES 5 D 205 VAL GLU GLU LEU ILE THR LYS LEU ASP GLN LEU PRO ALA SEQRES 6 D 205 ASP LYS LYS THR VAL LEU ARG ASN ASN ALA GLY GLY HIS SEQRES 7 D 205 ALA ASN HIS SER LEU PHE TRP LYS GLY LEU LYS LYS GLY SEQRES 8 D 205 THR THR LEU GLN GLY ASP LEU LYS ALA ALA ILE GLU ARG SEQRES 9 D 205 ASP PHE GLY SER VAL ASP ASN PHE LYS ALA GLU PHE GLU SEQRES 10 D 205 LYS ALA ALA ALA SER ARG PHE GLY SER GLY TRP ALA TRP SEQRES 11 D 205 LEU VAL LEU LYS GLY ASP LYS LEU ALA VAL VAL SER THR SEQRES 12 D 205 ALA ASN GLN ASP SER PRO LEU MET GLY GLU ALA ILE SER SEQRES 13 D 205 GLY ALA SER GLY PHE PRO ILE MET GLY LEU ASP VAL TRP SEQRES 14 D 205 GLU HIS ALA TYR TYR LEU LYS PHE GLN ASN ARG ARG PRO SEQRES 15 D 205 ASP TYR ILE LYS GLU PHE TRP ASN VAL VAL ASN TRP ASP SEQRES 16 D 205 GLU ALA ALA ALA ARG PHE ALA ALA LYS LYS HET MN A 206 1 HET MN B 206 1 HET PEO B 207 2 HET MN C 206 1 HET PEO C 207 2 HET MN D 206 1 HET PEO D 208 2 HETNAM MN MANGANESE (II) ION HETNAM PEO HYDROGEN PEROXIDE FORMUL 5 MN 4(MN 2+) FORMUL 7 PEO 3(H2 O2) FORMUL 12 HOH *478(H2 O) HELIX 1 1 ASP A 19 LYS A 29 1 11 HELIX 2 2 LYS A 29 GLU A 43 1 15 HELIX 3 3 PRO A 52 ILE A 57 1 6 HELIX 4 4 THR A 58 LEU A 63 5 6 HELIX 5 5 LYS A 67 GLY A 87 1 21 HELIX 6 6 GLN A 95 GLY A 107 1 13 HELIX 7 7 SER A 108 ARG A 123 1 16 HELIX 8 8 SER A 148 MET A 151 5 4 HELIX 9 9 GLY A 152 GLY A 157 1 6 HELIX 10 10 TRP A 169 ALA A 172 5 4 HELIX 11 11 TYR A 173 GLN A 178 1 6 HELIX 12 12 ARG A 180 TRP A 189 1 10 HELIX 13 13 ASN A 193 LYS A 204 1 12 HELIX 14 14 ASP B 19 LYS B 29 1 11 HELIX 15 15 LYS B 29 GLU B 43 1 15 HELIX 16 16 LEU B 45 ASN B 50 1 6 HELIX 17 17 PRO B 52 ILE B 57 1 6 HELIX 18 18 THR B 58 LEU B 63 5 6 HELIX 19 19 PRO B 64 ASP B 66 5 3 HELIX 20 20 LYS B 67 GLY B 87 1 21 HELIX 21 21 SER B 108 ARG B 123 1 16 HELIX 22 22 SER B 148 MET B 151 5 4 HELIX 23 23 GLY B 152 GLY B 157 1 6 HELIX 24 24 TRP B 169 ALA B 172 5 4 HELIX 25 25 TYR B 173 GLN B 178 1 6 HELIX 26 26 ARG B 180 VAL B 192 1 13 HELIX 27 27 ASN B 193 LYS B 204 1 12 HELIX 28 28 ASP C 19 LYS C 29 1 11 HELIX 29 29 LYS C 29 GLU C 43 1 15 HELIX 30 30 LEU C 45 ASN C 50 1 6 HELIX 31 31 PRO C 52 ILE C 57 1 6 HELIX 32 32 THR C 58 LEU C 63 5 6 HELIX 33 33 PRO C 64 ASP C 66 5 3 HELIX 34 34 LYS C 67 GLY C 87 1 21 HELIX 35 35 GLN C 95 GLY C 107 1 13 HELIX 36 36 SER C 108 ARG C 123 1 16 HELIX 37 37 SER C 148 MET C 151 5 4 HELIX 38 38 GLY C 152 GLY C 157 1 6 HELIX 39 39 TRP C 169 ALA C 172 5 4 HELIX 40 40 TYR C 173 GLN C 178 1 6 HELIX 41 41 ARG C 180 VAL C 192 1 13 HELIX 42 42 ASN C 193 LYS C 204 1 12 HELIX 43 43 ASP D 19 LYS D 29 1 11 HELIX 44 44 LYS D 29 GLU D 43 1 15 HELIX 45 45 LEU D 45 ASN D 50 1 6 HELIX 46 46 PRO D 52 ILE D 57 1 6 HELIX 47 47 THR D 58 LEU D 63 5 6 HELIX 48 48 PRO D 64 ASP D 66 5 3 HELIX 49 49 LYS D 67 GLY D 87 1 21 HELIX 50 50 GLN D 95 GLY D 107 1 13 HELIX 51 51 SER D 108 ARG D 123 1 16 HELIX 52 52 SER D 148 MET D 151 5 4 HELIX 53 53 GLY D 152 GLY D 157 1 6 HELIX 54 54 TRP D 169 ALA D 172 5 4 HELIX 55 55 TYR D 173 GLN D 178 1 6 HELIX 56 56 ARG D 180 TRP D 189 1 10 HELIX 57 57 ASN D 193 LYS D 204 1 12 SHEET 1 A 3 LYS A 137 ALA A 144 0 SHEET 2 A 3 GLY A 127 LYS A 134 -1 N TRP A 130 O VAL A 141 SHEET 3 A 3 PHE A 161 ASP A 167 -1 O ILE A 163 N LEU A 131 SHEET 1 B 3 LEU B 138 ALA B 144 0 SHEET 2 B 3 GLY B 127 LEU B 133 -1 N TRP B 130 O VAL B 141 SHEET 3 B 3 PHE B 161 ASP B 167 -1 O ILE B 163 N LEU B 131 SHEET 1 C 3 LYS C 137 ALA C 144 0 SHEET 2 C 3 GLY C 127 LYS C 134 -1 N VAL C 132 O ALA C 139 SHEET 3 C 3 PHE C 161 ASP C 167 -1 O ILE C 163 N LEU C 131 SHEET 1 D 3 LYS D 137 ALA D 144 0 SHEET 2 D 3 GLY D 127 LYS D 134 -1 N TRP D 130 O VAL D 141 SHEET 3 D 3 PHE D 161 ASP D 167 -1 O ILE D 163 N LEU D 131 LINK NE2 HIS A 26 MN MN A 206 1555 1555 2.06 LINK NE2 HIS A 81 MN MN A 206 1555 1555 2.07 LINK OD2 ASP A 167 MN MN A 206 1555 1555 1.95 LINK NE2 HIS A 171 MN MN A 206 1555 1555 2.11 LINK MN MN A 206 O HOH A 207 1555 1555 2.23 LINK MN MN A 206 O HOH A 208 1555 1555 2.37 LINK NE2 HIS B 26 MN MN B 206 1555 1555 2.10 LINK NE2 HIS B 81 MN MN B 206 1555 1555 2.08 LINK OD2 ASP B 167 MN MN B 206 1555 1555 1.96 LINK NE2 HIS B 171 MN MN B 206 1555 1555 2.07 LINK MN MN B 206 O1 PEO B 207 1555 1555 2.09 LINK MN MN B 206 O2 PEO B 207 1555 1555 2.58 LINK MN MN B 206 O HOH B 208 1555 1555 2.11 LINK NE2 HIS C 26 MN MN C 206 1555 1555 2.09 LINK NE2 HIS C 81 MN MN C 206 1555 1555 2.09 LINK OD2 ASP C 167 MN MN C 206 1555 1555 1.94 LINK NE2 HIS C 171 MN MN C 206 1555 1555 2.09 LINK MN MN C 206 O2 PEO C 207 1555 1555 2.10 LINK MN MN C 206 O1 PEO C 207 1555 1555 2.09 LINK MN MN C 206 O HOH C 208 1555 1555 2.35 LINK MN MN C 206 O HOH C 209 1555 1555 2.25 LINK NE2 HIS D 26 MN MN D 206 1555 1555 2.06 LINK NE2 HIS D 81 MN MN D 206 1555 1555 2.07 LINK OD2 ASP D 167 MN MN D 206 1555 1555 1.95 LINK NE2 HIS D 171 MN MN D 206 1555 1555 2.07 LINK MN MN D 206 O2 PEO D 208 1555 1555 2.49 LINK MN MN D 206 O1 PEO D 208 1555 1555 2.09 LINK MN MN D 206 O HOH D 209 1555 1555 2.21 CISPEP 1 GLU A 15 PRO A 16 0 3.78 CISPEP 2 GLU B 15 PRO B 16 0 1.22 CISPEP 3 GLU C 15 PRO C 16 0 4.27 CISPEP 4 GLU D 15 PRO D 16 0 3.88 SITE 1 AC1 6 HIS A 26 HIS A 81 ASP A 167 HIS A 171 SITE 2 AC1 6 HOH A 207 HOH A 208 SITE 1 AC2 6 HIS B 26 HIS B 81 ASP B 167 HIS B 171 SITE 2 AC2 6 PEO B 207 HOH B 208 SITE 1 AC3 8 TYR B 34 HIS B 81 GLN B 146 ASP B 167 SITE 2 AC3 8 TRP B 169 HIS B 171 MN B 206 HOH B 208 SITE 1 AC4 7 HIS C 26 HIS C 81 ASP C 167 HIS C 171 SITE 2 AC4 7 PEO C 207 HOH C 208 HOH C 209 SITE 1 AC5 9 HIS C 81 TRP C 128 GLN C 146 ASP C 167 SITE 2 AC5 9 TRP C 169 HIS C 171 MN C 206 HOH C 208 SITE 3 AC5 9 HOH C 209 SITE 1 AC6 6 HIS D 26 HIS D 81 ASP D 167 HIS D 171 SITE 2 AC6 6 PEO D 208 HOH D 209 SITE 1 AC7 8 TYR D 34 HIS D 81 GLN D 146 ASP D 167 SITE 2 AC7 8 TRP D 169 HIS D 171 MN D 206 HOH D 209 CRYST1 100.849 107.418 180.044 90.00 90.00 90.00 C 2 2 21 32 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 0.009916 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009309 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005554 0.00000