HEADER HYDROLASE/DNA 14-JUN-99 1QRI TITLE X-RAY STRUCTURE OF THE DNA-ECO RI ENDONUCLEASE COMPLEXES WITH AN E144D TITLE 2 MUTATION AT 2.7 A COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*TP*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3'; COMPND 3 CHAIN: M; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: ECO RI ENDONCULEASE; COMPND 7 CHAIN: A; COMPND 8 FRAGMENT: RESIDUES 17-277; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 5 ORGANISM_TAXID: 562 KEYWDS RESTRICTION ENDONUCLEASE, DNA-PROTEIN COMPLEX, SITE-DIRECTED KEYWDS 2 MUTATION, SEQUENCE-SPECIFIC, PROTEIN STRUCTURE, HYDROLASE-DNA KEYWDS 3 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.CHOI,Y.KIM,P.GREENE,P.HAGER,J.M.ROSENBERG REVDAT 7 14-FEB-24 1QRI 1 REMARK REVDAT 6 03-NOV-21 1QRI 1 SEQADV REVDAT 5 04-OCT-17 1QRI 1 REMARK REVDAT 4 24-FEB-09 1QRI 1 VERSN REVDAT 3 26-SEP-01 1QRI 3 ATOM REVDAT 2 27-MAR-00 1QRI 1 DBREF SEQADV REMARK REVDAT 1 23-JUN-99 1QRI 0 JRNL AUTH J.CHOI,Y.KIM,P.GREENE,P.HAGER,J.M.ROSENBERG JRNL TITL X-RAY STRUCTURE OF THE DNA-ECO RI ENDONUCLEASE COMPLEXES JRNL TITL 2 WITH THE ED144 AND RK145 MUTATIONS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 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 : 7040 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) : 0.164 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 : 2050 REMARK 3 NUCLEIC ACID ATOMS : 263 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 52 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.04 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.496 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: 52 WATER MOLECULES FIT INTO DIFFERENCE REMARK 3 MAPS REMARK 4 REMARK 4 1QRI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000009180. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 8.0 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS-NICOLET X100 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7508 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.620 REMARK 200 RESOLUTION RANGE LOW (A) : 47.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 61.0 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.62 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.78 REMARK 200 COMPLETENESS FOR SHELL (%) : 10.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.13300 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: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PRECIPITANT: 40% PEG 400; 40 MM BTP; REMARK 280 PH 8.0; RESERVOIR: 16% PEG 400; 40 MM BTP; PH 6.5; DROP: 5 UL REMARK 280 PROTEIN, 2 UL DNA, 1 UL PPT, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 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 -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 0.00000 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 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: M, 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 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 O6 DG M 5 H42 DC M 10 4555 1.52 REMARK 500 H62 DA M 6 O4 DT M 9 4555 1.55 REMARK 500 O6 DG M 3 H42 DC M 12 4555 1.56 REMARK 500 REMARK 500 REMARK: NULL 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 DG M 3 O3' - P - O5' ANGL. DEV. = -25.9 DEGREES REMARK 500 DG M 3 O3' - P - OP1 ANGL. DEV. = 22.0 DEGREES REMARK 500 DG M 3 O4' - C1' - C2' ANGL. DEV. = -8.4 DEGREES REMARK 500 DC M 4 O3' - P - OP2 ANGL. DEV. = 10.0 DEGREES REMARK 500 DC M 4 C3' - C2' - C1' ANGL. DEV. = 7.7 DEGREES REMARK 500 DG M 5 O4' - C4' - C3' ANGL. DEV. = -7.6 DEGREES REMARK 500 DA M 6 C4' - C3' - C2' ANGL. DEV. = -5.5 DEGREES REMARK 500 DA M 7 O3' - P - O5' ANGL. DEV. = -14.8 DEGREES REMARK 500 DA M 7 O3' - P - OP2 ANGL. DEV. = -30.4 DEGREES REMARK 500 DA M 7 O3' - P - OP1 ANGL. DEV. = 38.6 DEGREES REMARK 500 DA M 7 O4' - C1' - C2' ANGL. DEV. = -5.3 DEGREES REMARK 500 DT M 8 O3' - P - OP1 ANGL. DEV. = 7.0 DEGREES REMARK 500 DT M 8 C6 - C5 - C7 ANGL. DEV. = -5.1 DEGREES REMARK 500 DT M 9 O3' - P - OP2 ANGL. DEV. = 12.8 DEGREES REMARK 500 DT M 9 C6 - C5 - C7 ANGL. DEV. = -5.4 DEGREES REMARK 500 DC M 10 O4' - C1' - C2' ANGL. DEV. = -6.5 DEGREES REMARK 500 DC M 10 O4' - C1' - N1 ANGL. DEV. = 2.7 DEGREES REMARK 500 DG M 11 O3' - P - O5' ANGL. DEV. = -21.3 DEGREES REMARK 500 DG M 11 O3' - P - OP1 ANGL. DEV. = 26.4 DEGREES REMARK 500 DG M 11 O4' - C1' - N9 ANGL. DEV. = -4.5 DEGREES REMARK 500 DC M 12 O4' - C1' - C2' ANGL. DEV. = -7.6 DEGREES REMARK 500 DC M 12 O4' - C1' - N1 ANGL. DEV. = 3.8 DEGREES REMARK 500 DG M 13 O3' - P - O5' ANGL. DEV. = -18.9 DEGREES REMARK 500 DG M 13 O3' - P - OP2 ANGL. DEV. = -32.4 DEGREES REMARK 500 DG M 13 O3' - P - OP1 ANGL. DEV. = 45.3 DEGREES REMARK 500 DG M 13 O4' - C1' - C2' ANGL. DEV. = -6.5 DEGREES REMARK 500 DG M 13 O4' - C1' - N9 ANGL. DEV. = 5.2 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 85 48.45 -100.67 REMARK 500 ASP A 91 1.78 -66.70 REMARK 500 ASN A 124 -153.86 -91.68 REMARK 500 VAL A 128 -160.00 -92.40 REMARK 500 PRO A 184 11.60 -62.76 REMARK 500 HIS A 225 -65.85 -159.28 REMARK 500 LYS A 226 -126.87 -96.61 REMARK 500 LYS A 228 92.63 -49.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 DG M 5 0.05 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CKQ RELATED DB: PDB REMARK 900 1.85 A COGNATE PRE-TRANSITION STATE ECORI-DNA CRYSTAL STRUCTURE REMARK 900 RELATED ID: 1QPS RELATED DB: PDB REMARK 900 2.5 A COGNATE POST-REACTIVE ECO-RI DNA CRYSTAL STRUCTURE IN THE REMARK 900 PRESENCE OF MN2+ REMARK 900 RELATED ID: 1QC9 RELATED DB: PDB REMARK 900 3.3 A CRYSTAL STRUCTURE OF ECO RI DIMER IN THE ABSENCE OF DNA REMARK 900 RELATED ID: 1CL8 RELATED DB: PDB REMARK 900 1.80 A CRYSTAL STRUCTURE OF A COGNATE ECO RI-DNA COMPLEX WITH A REMARK 900 BASE ANALOG SUBSTITUTION IN THE DNA RECOGNITION REGION DBREF 1QRI A 17 277 UNP P00642 T2E1_ECOLI 16 276 DBREF 1QRI M 1 13 PDB 1QRI 1QRI 1 13 SEQADV 1QRI ASP A 144 UNP P00642 GLU 143 ENGINEERED MUTATION SEQRES 1 M 13 DT DC DG DC DG DA DA DT DT DC DG DC DG SEQRES 1 A 261 SER GLN GLY VAL ILE GLY ILE PHE GLY ASP TYR ALA LYS SEQRES 2 A 261 ALA HIS ASP LEU ALA VAL GLY GLU VAL SER LYS LEU VAL SEQRES 3 A 261 LYS LYS ALA LEU SER ASN GLU TYR PRO GLN LEU SER PHE SEQRES 4 A 261 ARG TYR ARG ASP SER ILE LYS LYS THR GLU ILE ASN GLU SEQRES 5 A 261 ALA LEU LYS LYS ILE ASP PRO ASP LEU GLY GLY THR LEU SEQRES 6 A 261 PHE VAL SER ASN SER SER ILE LYS PRO ASP GLY GLY ILE SEQRES 7 A 261 VAL GLU VAL LYS ASP ASP TYR GLY GLU TRP ARG VAL VAL SEQRES 8 A 261 LEU VAL ALA GLU ALA LYS HIS GLN GLY LYS ASP ILE ILE SEQRES 9 A 261 ASN ILE ARG ASN GLY LEU LEU VAL GLY LYS ARG GLY ASP SEQRES 10 A 261 GLN ASP LEU MET ALA ALA GLY ASN ALA ILE ASP ARG SER SEQRES 11 A 261 HIS LYS ASN ILE SER GLU ILE ALA ASN PHE MET LEU SER SEQRES 12 A 261 GLU SER HIS PHE PRO TYR VAL LEU PHE LEU GLU GLY SER SEQRES 13 A 261 ASN PHE LEU THR GLU ASN ILE SER ILE THR ARG PRO ASP SEQRES 14 A 261 GLY ARG VAL VAL ASN LEU GLU TYR ASN SER GLY ILE LEU SEQRES 15 A 261 ASN ARG LEU ASP ARG LEU THR ALA ALA ASN TYR GLY MET SEQRES 16 A 261 PRO ILE ASN SER ASN LEU CYS ILE ASN LYS PHE VAL ASN SEQRES 17 A 261 HIS LYS ASP LYS SER ILE MET LEU GLN ALA ALA SER ILE SEQRES 18 A 261 TYR THR GLN GLY ASP GLY ARG GLU TRP ASP SER LYS ILE SEQRES 19 A 261 MET PHE GLU ILE MET PHE ASP ILE SER THR THR SER LEU SEQRES 20 A 261 ARG VAL LEU GLY ARG ASP LEU PHE GLU GLN LEU THR SER SEQRES 21 A 261 LYS FORMUL 3 HOH *52(H2 O) HELIX 1 1 GLY A 19 ALA A 30 1 12 HELIX 2 2 ALA A 34 TYR A 50 1 17 HELIX 3 3 LYS A 63 LYS A 72 1 10 HELIX 4 4 LYS A 117 ASN A 124 1 8 HELIX 5 5 ASN A 141 ASP A 144 5 4 HELIX 6 6 ARG A 145 MET A 157 1 13 HELIX 7 7 ARG A 187 LEU A 191 5 5 HELIX 8 8 ASP A 247 LEU A 266 1 20 HELIX 9 9 GLY A 267 ASP A 269 5 3 HELIX 10 10 LEU A 270 SER A 276 1 7 SHEET 1 A 5 SER A 54 ARG A 58 0 SHEET 2 A 5 ILE A 94 LYS A 98 -1 O ILE A 94 N ARG A 58 SHEET 3 A 5 TRP A 104 HIS A 114 -1 N ARG A 105 O VAL A 97 SHEET 4 A 5 TYR A 165 GLU A 170 1 N VAL A 166 O VAL A 109 SHEET 5 A 5 SER A 236 THR A 239 1 O SER A 236 N LEU A 167 SHEET 1 B 2 ILE A 61 LYS A 62 0 SHEET 2 B 2 SER A 87 ILE A 88 -1 N ILE A 88 O ILE A 61 SHEET 1 C 2 ILE A 179 THR A 182 0 SHEET 2 C 2 VAL A 188 LEU A 191 -1 N VAL A 189 O ILE A 181 SHEET 1 D 2 LYS A 221 VAL A 223 0 SHEET 2 D 2 ILE A 230 LEU A 232 -1 N ILE A 230 O VAL A 223 CRYST1 118.400 118.400 49.700 90.00 90.00 120.00 P 3 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 0.008446 0.004876 0.000000 0.00000 SCALE2 0.000000 0.009753 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020121 0.00000