HEADER HYDROLASE 15-FEB-08 3C94 TITLE EXOI/SSB-CT COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: EXODEOXYRIBONUCLEASE I; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: EXONUCLEASE I, DNA DEOXYRIBOPHOSPHODIESTERASE, DRPASE; COMPND 5 EC: 3.1.11.1; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: SINGLE-STRANDED DNA-BINDING C-TERMINAL TAIL PEPTIDE; COMPND 9 CHAIN: B, C; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: SBCB, CPEA, XONA; 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: PET; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE IS SOURCE 14 FOUND NATURALLY IN E. COLI. KEYWDS EXONUCLEASE, SSB, GENOME MAINTENANCE, DNA DAMAGE, DNA REPAIR, KEYWDS 2 HYDROLASE, DNA REPLICATION, DNA-BINDING, PHOSPHOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.LU,J.L.KECK REVDAT 6 30-AUG-23 3C94 1 REMARK SEQADV LINK REVDAT 5 25-OCT-17 3C94 1 REMARK REVDAT 4 21-MAR-12 3C94 1 JRNL REVDAT 3 13-JUL-11 3C94 1 VERSN REVDAT 2 24-FEB-09 3C94 1 VERSN REVDAT 1 08-JUL-08 3C94 0 JRNL AUTH D.LU,J.L.KECK JRNL TITL STRUCTURAL BASIS OF ESCHERICHIA COLI SINGLE-STRANDED JRNL TITL 2 DNA-BINDING PROTEIN STIMULATION OF EXONUCLEASE I. JRNL REF PROC.NATL.ACAD.SCI.USA V. 105 9169 2008 JRNL REFN ISSN 0027-8424 JRNL PMID 18591666 JRNL DOI 10.1073/PNAS.0800741105 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 15912 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) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 800 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.77 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1072 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.65 REMARK 3 BIN R VALUE (WORKING SET) : 0.2900 REMARK 3 BIN FREE R VALUE SET COUNT : 55 REMARK 3 BIN FREE R VALUE : 0.3400 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3782 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 42 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) : 49.76 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.13000 REMARK 3 B22 (A**2) : 2.84000 REMARK 3 B33 (A**2) : -2.97000 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): 0.348 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.247 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 26.665 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.941 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.896 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3877 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5270 ; 1.052 ; 1.948 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 459 ; 6.242 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 205 ;36.713 ;23.854 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 631 ;18.995 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 31 ;17.851 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 569 ; 0.078 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3030 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1676 ; 0.220 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2640 ; 0.312 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 129 ; 0.149 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.071 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 36 ; 0.227 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.130 ; 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): 2381 ; 0.560 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3766 ; 0.985 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1690 ; 1.512 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1504 ; 2.508 ; 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 : 5 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 7 A 201 REMARK 3 RESIDUE RANGE : A 483 A 483 REMARK 3 ORIGIN FOR THE GROUP (A): 3.7273 46.3343 18.5735 REMARK 3 T TENSOR REMARK 3 T11: -0.0447 T22: -0.1182 REMARK 3 T33: -0.0414 T12: -0.0157 REMARK 3 T13: 0.0064 T23: 0.0076 REMARK 3 L TENSOR REMARK 3 L11: 1.2505 L22: 1.2580 REMARK 3 L33: 2.2495 L12: -0.9435 REMARK 3 L13: -1.0393 L23: 0.8054 REMARK 3 S TENSOR REMARK 3 S11: -0.1121 S12: 0.0623 S13: 0.0393 REMARK 3 S21: 0.0036 S22: 0.0463 S23: -0.0334 REMARK 3 S31: 0.0040 S32: -0.0878 S33: 0.0658 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 202 A 352 REMARK 3 RESIDUE RANGE : A 484 A 484 REMARK 3 ORIGIN FOR THE GROUP (A): 21.0139 25.6668 24.9561 REMARK 3 T TENSOR REMARK 3 T11: -0.0116 T22: -0.0734 REMARK 3 T33: -0.0729 T12: 0.0568 REMARK 3 T13: -0.0568 T23: -0.0056 REMARK 3 L TENSOR REMARK 3 L11: 1.8799 L22: 2.5285 REMARK 3 L33: 3.5163 L12: 0.9303 REMARK 3 L13: 0.4002 L23: -0.7999 REMARK 3 S TENSOR REMARK 3 S11: 0.2526 S12: -0.3193 S13: -0.2165 REMARK 3 S21: 0.2490 S22: -0.1582 S23: -0.3004 REMARK 3 S31: 0.4127 S32: 0.3309 S33: -0.0944 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 360 A 476 REMARK 3 ORIGIN FOR THE GROUP (A): -10.0873 47.4049 37.5850 REMARK 3 T TENSOR REMARK 3 T11: -0.1996 T22: -0.1104 REMARK 3 T33: -0.1799 T12: 0.0267 REMARK 3 T13: 0.0603 T23: 0.0278 REMARK 3 L TENSOR REMARK 3 L11: 2.2574 L22: 0.9845 REMARK 3 L33: 3.3393 L12: 0.3881 REMARK 3 L13: -0.1988 L23: 0.3477 REMARK 3 S TENSOR REMARK 3 S11: -0.0263 S12: -0.2556 S13: -0.0770 REMARK 3 S21: 0.1612 S22: -0.1581 S23: 0.0355 REMARK 3 S31: 0.1720 S32: -0.4618 S33: 0.1844 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 174 B 177 REMARK 3 RESIDUE RANGE : C 175 C 177 REMARK 3 ORIGIN FOR THE GROUP (A): 26.2757 24.6968 9.5861 REMARK 3 T TENSOR REMARK 3 T11: 0.1400 T22: 0.1241 REMARK 3 T33: 0.2022 T12: 0.0388 REMARK 3 T13: 0.1662 T23: 0.0059 REMARK 3 L TENSOR REMARK 3 L11: 5.2525 L22: 3.3973 REMARK 3 L33: 16.1774 L12: 2.1235 REMARK 3 L13: 7.5929 L23: 5.6200 REMARK 3 S TENSOR REMARK 3 S11: 0.7181 S12: 0.4645 S13: -0.6657 REMARK 3 S21: -1.3143 S22: -0.0277 S23: -0.3904 REMARK 3 S31: 2.1503 S32: 0.5992 S33: -0.6904 REMARK 3 REMARK 3 TLS GROUP : 5 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 485 A 526 REMARK 3 ORIGIN FOR THE GROUP (A): 5.4477 42.5334 23.4740 REMARK 3 T TENSOR REMARK 3 T11: 0.0768 T22: 0.0379 REMARK 3 T33: 0.0921 T12: -0.0346 REMARK 3 T13: -0.0307 T23: -0.0395 REMARK 3 L TENSOR REMARK 3 L11: 0.3069 L22: 1.1479 REMARK 3 L33: 1.1215 L12: -0.5930 REMARK 3 L13: -0.2387 L23: 0.4169 REMARK 3 S TENSOR REMARK 3 S11: 0.0060 S12: 0.0780 S13: -0.0206 REMARK 3 S21: -0.0662 S22: 0.0912 S23: -0.0510 REMARK 3 S31: -0.0376 S32: -0.1207 S33: -0.0972 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH 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: NULL REMARK 4 REMARK 4 3C94 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-08. REMARK 100 THE DEPOSITION ID IS D_1000046496. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-AUG-06 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9000 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16073 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.07900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.38300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: 1FXX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18-27% PEG4000, 0.1-0.15M MGCL(2), 0.1 REMARK 280 M TRIS-HCL; 2:1 RATIO OF SSB-CT PEPTIDE:EXONUCLEASE U, PH 8.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 33.57550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.63850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.09550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.63850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.57550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.09550 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1390 ANGSTROM**2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 MET A 1 REMARK 465 MET A 2 REMARK 465 ASN A 3 REMARK 465 ASP A 4 REMARK 465 GLY A 5 REMARK 465 LYS A 6 REMARK 465 ASN A 179 REMARK 465 ALA A 180 REMARK 465 HIS A 181 REMARK 465 GLY A 291 REMARK 465 ASP A 292 REMARK 465 GLU A 353 REMARK 465 ALA A 354 REMARK 465 GLU A 355 REMARK 465 PRO A 356 REMARK 465 PHE A 357 REMARK 465 THR A 358 REMARK 465 PRO A 359 REMARK 465 HIS A 477 REMARK 465 HIS A 478 REMARK 465 HIS A 479 REMARK 465 HIS A 480 REMARK 465 HIS A 481 REMARK 465 HIS A 482 REMARK 465 TRP B 168 REMARK 465 MET B 169 REMARK 465 ASP B 170 REMARK 465 PHE B 171 REMARK 465 ASP B 172 REMARK 465 ASP B 173 REMARK 465 TRP C 168 REMARK 465 MET C 169 REMARK 465 ASP C 170 REMARK 465 PHE C 171 REMARK 465 ASP C 172 REMARK 465 ASP C 173 REMARK 465 ASP C 174 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 OD1 ASP A 108 O HOH A 492 2.19 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 107 -72.60 -138.28 REMARK 500 PHE A 120 33.48 77.76 REMARK 500 TRP A 128 -14.24 -146.26 REMARK 500 GLN A 201 58.22 -150.68 REMARK 500 ASN A 340 61.91 -150.62 REMARK 500 TYR A 368 43.05 -94.77 REMARK 500 ALA A 393 26.29 -75.30 REMARK 500 VAL A 399 -62.49 -96.71 REMARK 500 VAL A 475 -66.16 -102.08 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 MG A 483 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 15 OD1 REMARK 620 2 HOH A 487 O 71.0 REMARK 620 3 HOH A 492 O 80.0 80.7 REMARK 620 4 HOH A 503 O 78.3 90.9 158.2 REMARK 620 5 HOH A 509 O 75.3 146.3 93.9 81.8 REMARK 620 6 HOH A 512 O 161.4 92.2 105.6 94.7 121.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 484 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 318 OE1 REMARK 620 2 GLU A 318 OE2 45.3 REMARK 620 3 ASP A 319 OD1 75.1 72.8 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 483 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 484 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FXX RELATED DB: PDB REMARK 900 APO EXOI REMARK 900 RELATED ID: 3C95 RELATED DB: PDB REMARK 900 EXONUCLEASE I (APO) DBREF 3C94 A 1 475 UNP P04995 EX1_ECOLI 1 475 DBREF 3C94 B 169 177 UNP P0AGE0 SSB_ECOLI 170 178 DBREF 3C94 C 169 177 UNP P0AGE0 SSB_ECOLI 170 178 SEQADV 3C94 ASP A 472 UNP P04995 GLU 472 VARIANT SEQADV 3C94 GLU A 476 UNP P04995 EXPRESSION TAG SEQADV 3C94 HIS A 477 UNP P04995 EXPRESSION TAG SEQADV 3C94 HIS A 478 UNP P04995 EXPRESSION TAG SEQADV 3C94 HIS A 479 UNP P04995 EXPRESSION TAG SEQADV 3C94 HIS A 480 UNP P04995 EXPRESSION TAG SEQADV 3C94 HIS A 481 UNP P04995 EXPRESSION TAG SEQADV 3C94 HIS A 482 UNP P04995 EXPRESSION TAG SEQADV 3C94 TRP B 168 UNP P0AGE0 EXPRESSION TAG SEQADV 3C94 TRP C 168 UNP P0AGE0 EXPRESSION TAG SEQRES 1 A 482 MET MET ASN ASP GLY LYS GLN GLN SER THR PHE LEU PHE SEQRES 2 A 482 HIS ASP TYR GLU THR PHE GLY THR HIS PRO ALA LEU ASP SEQRES 3 A 482 ARG PRO ALA GLN PHE ALA ALA ILE ARG THR ASP SER GLU SEQRES 4 A 482 PHE ASN VAL ILE GLY GLU PRO GLU VAL PHE TYR CYS LYS SEQRES 5 A 482 PRO ALA ASP ASP TYR LEU PRO GLN PRO GLY ALA VAL LEU SEQRES 6 A 482 ILE THR GLY ILE THR PRO GLN GLU ALA ARG ALA LYS GLY SEQRES 7 A 482 GLU ASN GLU ALA ALA PHE ALA ALA ARG ILE HIS SER LEU SEQRES 8 A 482 PHE THR VAL PRO LYS THR CYS ILE LEU GLY TYR ASN ASN SEQRES 9 A 482 VAL ARG PHE ASP ASP GLU VAL THR ARG ASN ILE PHE TYR SEQRES 10 A 482 ARG ASN PHE TYR ASP PRO TYR ALA TRP SER TRP GLN HIS SEQRES 11 A 482 ASP ASN SER ARG TRP ASP LEU LEU ASP VAL MET ARG ALA SEQRES 12 A 482 CYS TYR ALA LEU ARG PRO GLU GLY ILE ASN TRP PRO GLU SEQRES 13 A 482 ASN ASP ASP GLY LEU PRO SER PHE ARG LEU GLU HIS LEU SEQRES 14 A 482 THR LYS ALA ASN GLY ILE GLU HIS SER ASN ALA HIS ASP SEQRES 15 A 482 ALA MET ALA ASP VAL TYR ALA THR ILE ALA MET ALA LYS SEQRES 16 A 482 LEU VAL LYS THR ARG GLN PRO ARG LEU PHE ASP TYR LEU SEQRES 17 A 482 PHE THR HIS ARG ASN LYS HIS LYS LEU MET ALA LEU ILE SEQRES 18 A 482 ASP VAL PRO GLN MET LYS PRO LEU VAL HIS VAL SER GLY SEQRES 19 A 482 MET PHE GLY ALA TRP ARG GLY ASN THR SER TRP VAL ALA SEQRES 20 A 482 PRO LEU ALA TRP HIS PRO GLU ASN ARG ASN ALA VAL ILE SEQRES 21 A 482 MET VAL ASP LEU ALA GLY ASP ILE SER PRO LEU LEU GLU SEQRES 22 A 482 LEU ASP SER ASP THR LEU ARG GLU ARG LEU TYR THR ALA SEQRES 23 A 482 LYS THR ASP LEU GLY ASP ASN ALA ALA VAL PRO VAL LYS SEQRES 24 A 482 LEU VAL HIS ILE ASN LYS CYS PRO VAL LEU ALA GLN ALA SEQRES 25 A 482 ASN THR LEU ARG PRO GLU ASP ALA ASP ARG LEU GLY ILE SEQRES 26 A 482 ASN ARG GLN HIS CYS LEU ASP ASN LEU LYS ILE LEU ARG SEQRES 27 A 482 GLU ASN PRO GLN VAL ARG GLU LYS VAL VAL ALA ILE PHE SEQRES 28 A 482 ALA GLU ALA GLU PRO PHE THR PRO SER ASP ASN VAL ASP SEQRES 29 A 482 ALA GLN LEU TYR ASN GLY PHE PHE SER ASP ALA ASP ARG SEQRES 30 A 482 ALA ALA MET LYS ILE VAL LEU GLU THR GLU PRO ARG ASN SEQRES 31 A 482 LEU PRO ALA LEU ASP ILE THR PHE VAL ASP LYS ARG ILE SEQRES 32 A 482 GLU LYS LEU LEU PHE ASN TYR ARG ALA ARG ASN PHE PRO SEQRES 33 A 482 GLY THR LEU ASP TYR ALA GLU GLN GLN ARG TRP LEU GLU SEQRES 34 A 482 HIS ARG ARG GLN VAL PHE THR PRO GLU PHE LEU GLN GLY SEQRES 35 A 482 TYR ALA ASP GLU LEU GLN MET LEU VAL GLN GLN TYR ALA SEQRES 36 A 482 ASP ASP LYS GLU LYS VAL ALA LEU LEU LYS ALA LEU TRP SEQRES 37 A 482 GLN TYR ALA ASP GLU ILE VAL GLU HIS HIS HIS HIS HIS SEQRES 38 A 482 HIS SEQRES 1 B 10 TRP MET ASP PHE ASP ASP ASP ILE PRO PHE SEQRES 1 C 10 TRP MET ASP PHE ASP ASP ASP ILE PRO PHE HET MG A 483 1 HET MG A 484 1 HETNAM MG MAGNESIUM ION FORMUL 4 MG 2(MG 2+) FORMUL 6 HOH *42(H2 O) HELIX 1 1 GLN A 60 GLY A 68 1 9 HELIX 2 2 THR A 70 GLY A 78 1 9 HELIX 3 3 ASN A 80 VAL A 94 1 15 HELIX 4 4 PHE A 107 PHE A 120 1 14 HELIX 5 5 TYR A 124 ASN A 132 5 9 HELIX 6 6 LEU A 137 ARG A 148 1 12 HELIX 7 7 ARG A 165 ASN A 173 1 9 HELIX 8 8 MET A 184 GLN A 201 1 18 HELIX 9 9 GLN A 201 HIS A 211 1 11 HELIX 10 10 ASN A 213 ILE A 221 1 9 HELIX 11 11 GLY A 234 GLY A 241 5 8 HELIX 12 12 ILE A 268 LEU A 274 1 7 HELIX 13 13 ASP A 275 THR A 285 1 11 HELIX 14 14 ASN A 313 LEU A 315 5 3 HELIX 15 15 ARG A 316 GLY A 324 1 9 HELIX 16 16 ASN A 326 GLU A 339 1 14 HELIX 17 17 PRO A 341 ALA A 352 1 12 HELIX 18 18 ASN A 362 GLN A 366 5 5 HELIX 19 19 SER A 373 THR A 386 1 14 HELIX 20 20 GLU A 387 LEU A 391 5 5 HELIX 21 21 LYS A 401 PHE A 415 1 15 HELIX 22 22 PRO A 416 LEU A 419 5 4 HELIX 23 23 ASP A 420 PHE A 435 1 16 HELIX 24 24 THR A 436 TYR A 454 1 19 HELIX 25 25 ASP A 457 GLU A 476 1 20 SHEET 1 A 5 GLU A 47 TYR A 50 0 SHEET 2 A 5 PRO A 28 THR A 36 -1 N ALA A 33 O GLU A 47 SHEET 3 A 5 THR A 10 THR A 18 -1 N GLU A 17 O ALA A 29 SHEET 4 A 5 THR A 97 GLY A 101 1 O CYS A 98 N THR A 10 SHEET 5 A 5 SER A 133 ASP A 136 1 O SER A 133 N ILE A 99 SHEET 1 B 5 VAL A 298 HIS A 302 0 SHEET 2 B 5 ALA A 258 ASP A 263 -1 N VAL A 259 O VAL A 301 SHEET 3 B 5 THR A 243 TRP A 251 -1 N ALA A 250 O ILE A 260 SHEET 4 B 5 LEU A 229 VAL A 232 -1 N LEU A 229 O VAL A 246 SHEET 5 B 5 VAL A 308 GLN A 311 -1 O ALA A 310 N VAL A 230 LINK OD1 ASP A 15 MG MG A 483 1555 1555 2.29 LINK OE1 GLU A 318 MG MG A 484 1555 1555 2.72 LINK OE2 GLU A 318 MG MG A 484 1555 1555 2.95 LINK OD1 ASP A 319 MG MG A 484 1555 1555 2.35 LINK MG MG A 483 O HOH A 487 1555 1555 2.18 LINK MG MG A 483 O HOH A 492 1555 1555 2.03 LINK MG MG A 483 O HOH A 503 1555 1555 2.01 LINK MG MG A 483 O HOH A 509 1555 1555 1.92 LINK MG MG A 483 O HOH A 512 1555 1555 2.13 SITE 1 AC1 6 ASP A 15 HOH A 487 HOH A 492 HOH A 503 SITE 2 AC1 6 HOH A 509 HOH A 512 SITE 1 AC2 2 GLU A 318 ASP A 319 CRYST1 67.151 92.191 91.277 90.00 90.00 90.00 P 21 21 21 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 0.014892 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010847 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010956 0.00000