HEADER DNA BINDING PROTEIN 13-DEC-06 2O97 TITLE CRYSTAL STRUCTURE OF E. COLI HU HETERODIMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-BINDING PROTEIN HU-ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NS2, HU-2; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA-BINDING PROTEIN HU-BETA; COMPND 8 CHAIN: B; COMPND 9 SYNONYM: NS1, HU-1; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: HUPA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PRLM118; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 11 ORGANISM_TAXID: 562; SOURCE 12 GENE: HUPB, HOPD; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 16 EXPRESSION_SYSTEM_PLASMID: PRLM118 KEYWDS DNA-BINDING, HETERODIMER, DNA STRUCTURE, DNA SUPERCOILING, E. COLI, KEYWDS 2 DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR F.GUO,S.ADHYA REVDAT 7 27-DEC-23 2O97 1 REMARK LINK REVDAT 6 18-OCT-17 2O97 1 REMARK REVDAT 5 13-JUL-11 2O97 1 VERSN REVDAT 4 24-FEB-09 2O97 1 VERSN REVDAT 3 27-MAR-07 2O97 1 JRNL REVDAT 2 13-MAR-07 2O97 1 REMARK REVDAT 1 06-MAR-07 2O97 0 JRNL AUTH F.GUO,S.ADHYA JRNL TITL SPIRAL STRUCTURE OF ESCHERICHIA COLI HU{ALPHA}BETA PROVIDES JRNL TITL 2 FOUNDATION FOR DNA SUPERCOILING. JRNL REF PROC.NATL.ACAD.SCI.USA V. 104 4309 2007 JRNL REFN ISSN 0027-8424 JRNL PMID 17360520 JRNL DOI 10.1073/PNAS.0611686104 REMARK 2 REMARK 2 RESOLUTION. 2.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 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) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 3 NUMBER OF REFLECTIONS : 7084 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) : 0.228 REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 361 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) : 2.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.52 REMARK 3 REFLECTION IN BIN (WORKING SET) : 339 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 68.67 REMARK 3 BIN R VALUE (WORKING SET) : 0.3140 REMARK 3 BIN FREE R VALUE SET COUNT : 27 REMARK 3 BIN FREE R VALUE : 0.4390 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1028 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 26 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 51.81 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.25000 REMARK 3 B22 (A**2) : -2.25000 REMARK 3 B33 (A**2) : 4.50000 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): 0.375 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.267 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.254 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 26.752 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.947 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.924 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1032 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1380 ; 1.494 ; 1.976 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 136 ; 5.648 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 36 ;35.125 ;26.389 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 195 ;21.899 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ;16.137 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 170 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 719 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 517 ; 0.241 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 692 ; 0.304 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 59 ; 0.245 ; 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): 17 ; 0.258 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.241 ; 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): 720 ; 0.675 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1090 ; 1.128 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 354 ; 1.840 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 290 ; 2.924 ; 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): 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 90 REMARK 3 RESIDUE RANGE : B 1 B 90 REMARK 3 ORIGIN FOR THE GROUP (A): 41.6916 61.3725 -1.4093 REMARK 3 T TENSOR REMARK 3 T11: -0.1073 T22: 0.1735 REMARK 3 T33: 0.1110 T12: 0.0412 REMARK 3 T13: -0.0634 T23: -0.2416 REMARK 3 L TENSOR REMARK 3 L11: 3.3790 L22: 7.6291 REMARK 3 L33: 3.6506 L12: -0.0984 REMARK 3 L13: -0.5210 L23: 1.0204 REMARK 3 S TENSOR REMARK 3 S11: -0.0613 S12: -0.5422 S13: 0.4606 REMARK 3 S21: 0.1688 S22: 0.0167 S23: 0.1923 REMARK 3 S31: -0.0528 S32: -0.0166 S33: 0.0446 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 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 2O97 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-DEC-06. REMARK 100 THE DEPOSITION ID IS D_1000040845. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-OCT-04 REMARK 200 TEMPERATURE (KELVIN) : 200.0 REMARK 200 PH : 8.50 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7084 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.8 REMARK 200 DATA REDUNDANCY : 6.230 REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 64.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.36200 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, DM 4.2 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-HCL, 0.01M NICKEL CHLORIDE, REMARK 280 20% PEG-MME2000, 5% GLYCEROL, PH 8.5, EVAPORATION, TEMPERATURE REMARK 280 298K, PH 8.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y,Z REMARK 290 7555 -Y+1/2,X,Z+3/4 REMARK 290 8555 Y,-X+1/2,Z+1/4 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 41.45750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 41.45750 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.52400 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 41.45750 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 15.26200 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 41.45750 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 45.78600 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 41.45750 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 41.45750 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 30.52400 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 41.45750 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 45.78600 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 41.45750 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 15.26200 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 300 REMARK: FOUR DIMERS FORM A TETRAGONAL UNIT OF A SPIRAL FILAMENT BY REMARK 300 SYMMETRY OPERATION. THE SPACE GROUP IS I41. 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: OCTAMERIC 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 BIOMT1 2 0.000000 -1.000000 0.000000 82.91500 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 41.45750 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 15.26200 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 82.91500 REMARK 350 BIOMT2 3 0.000000 -1.000000 0.000000 165.83000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 124.37250 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 15.26200 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7350 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 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 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 ARG A 55 REMARK 465 ALA A 56 REMARK 465 GLU A 57 REMARK 465 ARG A 58 REMARK 465 THR A 59 REMARK 465 GLY A 60 REMARK 465 ARG A 61 REMARK 465 ASN A 62 REMARK 465 PRO A 63 REMARK 465 GLN A 64 REMARK 465 THR A 65 REMARK 465 GLY A 66 REMARK 465 LYS A 67 REMARK 465 GLU A 68 REMARK 465 ILE A 69 REMARK 465 LYS A 70 REMARK 465 ILE A 71 REMARK 465 ALA A 72 REMARK 465 ALA A 73 REMARK 465 ALA A 74 REMARK 465 ILE B 16 REMARK 465 ALA B 56 REMARK 465 ALA B 57 REMARK 465 ARG B 58 REMARK 465 THR B 59 REMARK 465 GLY B 60 REMARK 465 ARG B 61 REMARK 465 ASN B 62 REMARK 465 PRO B 63 REMARK 465 GLN B 64 REMARK 465 THR B 65 REMARK 465 GLY B 66 REMARK 465 LYS B 67 REMARK 465 GLU B 68 REMARK 465 ILE B 69 REMARK 465 THR B 70 REMARK 465 ILE B 71 REMARK 465 ALA B 72 REMARK 465 ALA B 73 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 N MET B 1 O HOH B 103 1.99 REMARK 500 O HOH B 103 O HOH B 105 2.01 REMARK 500 O HOH A 95 O HOH B 103 2.12 REMARK 500 N MET B 1 O HOH B 105 2.17 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 PHE A 47 -66.46 -151.71 REMARK 500 ALA B 12 -71.27 -67.18 REMARK 500 ALA B 14 -14.79 -168.63 REMARK 500 VAL B 45 137.76 -35.73 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 NI B 101 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 1 N REMARK 620 2 HIS A 54 NE2 91.0 REMARK 620 3 ASP B 40 OD1 95.3 152.7 REMARK 620 4 HOH B 108 O 91.5 105.3 101.1 REMARK 620 5 HOH B 109 O 161.3 100.0 68.2 100.0 REMARK 620 6 HOH B 110 O 94.6 86.2 66.8 166.9 71.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 101 DBREF 2O97 A 1 90 UNP P0ACF0 DBHA_ECOLI 1 90 DBREF 2O97 B 1 90 UNP P0ACF4 DBHB_ECOLI 1 90 SEQRES 1 A 90 MET ASN LYS THR GLN LEU ILE ASP VAL ILE ALA GLU LYS SEQRES 2 A 90 ALA GLU LEU SER LYS THR GLN ALA LYS ALA ALA LEU GLU SEQRES 3 A 90 SER THR LEU ALA ALA ILE THR GLU SER LEU LYS GLU GLY SEQRES 4 A 90 ASP ALA VAL GLN LEU VAL GLY PHE GLY THR PHE LYS VAL SEQRES 5 A 90 ASN HIS ARG ALA GLU ARG THR GLY ARG ASN PRO GLN THR SEQRES 6 A 90 GLY LYS GLU ILE LYS ILE ALA ALA ALA ASN VAL PRO ALA SEQRES 7 A 90 PHE VAL SER GLY LYS ALA LEU LYS ASP ALA VAL LYS SEQRES 1 B 90 MET ASN LYS SER GLN LEU ILE ASP LYS ILE ALA ALA GLY SEQRES 2 B 90 ALA ASP ILE SER LYS ALA ALA ALA GLY ARG ALA LEU ASP SEQRES 3 B 90 ALA ILE ILE ALA SER VAL THR GLU SER LEU LYS GLU GLY SEQRES 4 B 90 ASP ASP VAL ALA LEU VAL GLY PHE GLY THR PHE ALA VAL SEQRES 5 B 90 LYS GLU ARG ALA ALA ARG THR GLY ARG ASN PRO GLN THR SEQRES 6 B 90 GLY LYS GLU ILE THR ILE ALA ALA ALA LYS VAL PRO SER SEQRES 7 B 90 PHE ARG ALA GLY LYS ALA LEU LYS ASP ALA VAL ASN HET NI B 101 1 HET CL B 102 1 HETNAM NI NICKEL (II) ION HETNAM CL CHLORIDE ION FORMUL 3 NI NI 2+ FORMUL 4 CL CL 1- FORMUL 5 HOH *26(H2 O) HELIX 1 1 ASN A 2 ALA A 14 1 13 HELIX 2 2 SER A 17 GLU A 38 1 22 HELIX 3 3 GLY A 82 LYS A 90 1 9 HELIX 4 4 ASN B 2 GLY B 13 1 12 HELIX 5 5 SER B 17 GLU B 38 1 22 HELIX 6 6 GLY B 82 VAL B 89 1 8 SHEET 1 A 3 VAL A 42 LEU A 44 0 SHEET 2 A 3 GLY A 48 ASN A 53 -1 O PHE A 50 N VAL A 42 SHEET 3 A 3 VAL A 76 SER A 81 -1 O VAL A 80 N THR A 49 SHEET 1 B 3 VAL B 42 LEU B 44 0 SHEET 2 B 3 GLY B 48 LYS B 53 -1 O PHE B 50 N VAL B 42 SHEET 3 B 3 VAL B 76 ALA B 81 -1 O VAL B 76 N LYS B 53 LINK N MET A 1 NI NI B 101 1555 1555 1.97 LINK NE2 HIS A 54 NI NI B 101 4464 1555 2.00 LINK OD1 ASP B 40 NI NI B 101 1555 1555 2.28 LINK NI NI B 101 O HOH B 108 1555 1555 2.35 LINK NI NI B 101 O HOH B 109 1555 1555 2.25 LINK NI NI B 101 O HOH B 110 1555 1555 2.30 SITE 1 AC1 1 HOH B 110 SITE 1 AC2 5 MET A 1 ASP B 40 HOH B 108 HOH B 109 SITE 2 AC2 5 HOH B 110 CRYST1 82.915 82.915 61.048 90.00 90.00 90.00 I 41 8 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 0.012061 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012061 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016381 0.00000