HEADER DNA BINDING PROTEIN 16-JUN-25 9P4B TITLE CRYSTAL STRUCTURE OF MLH1-CTD WITH PEPTIDE QAVLSRFFQ COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA MISMATCH REPAIR PROTEIN MLH1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: MUTL PROTEIN HOMOLOG 1; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA MISMATCH REPAIR PROTEIN MSH3; COMPND 8 CHAIN: C, D, E; COMPND 9 SYNONYM: HMSH3,DIVERGENT UPSTREAM PROTEIN,DUP,MISMATCH REPAIR PROTEIN COMPND 10 1,MRP1; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MLH1, COCA2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606 KEYWDS MLH1, MISMATCH REPAIR, DNA REPAIR, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR G.ZHU,M.KOSZELAK-ROSENBLUM REVDAT 1 24-JUN-26 9P4B 0 JRNL AUTH T.S.HAQUE,F.ORVIETO,S.TOMASELLI,L.TURCANO,D.DE SIMONE, JRNL AUTH 2 A.FRANCONE,M.MICAELLI,S.MOVETTI,V.PIACENTI,L.GAMBINI,C.ALLI, JRNL AUTH 3 V.FODALE,E.BIANCHI,C.TONIATTI,D.KAWAHARA,S.GHOSH, JRNL AUTH 4 M.KOSZELAK-ROSENBLUM,G.ZHU,S.KINTZEL,D.WILLIAMS,J.LAROCQUE, JRNL AUTH 5 G.THIEULIN-PARDO,M.THOMSEN,C.DOMINGUEZ,R.R.IYER,M.FINLEY, JRNL AUTH 6 D.FELSENFELD,J.BOUDET,E.MONTEAGUDO,T.F.VOGT,B.C.PRASAD JRNL TITL CYCLIC PEPTIDE INHIBITORS OF THE MLH1-MSH3 INTERACTION AS A JRNL TITL 2 POTENTIAL THERAPEUTIC STRATEGY FOR HUNTINGTON'S DISEASE JRNL REF CHEMRXIV V.2026 JRNL REFN ISSN 2573-2293 JRNL DOI 10.26434/CHEMRXIV.15000289/V2 REMARK 2 REMARK 2 RESOLUTION. 2.44 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0425 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.44 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.25 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 25657 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM SELECTION REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.897 REMARK 3 FREE R VALUE TEST SET COUNT : 1321 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) : 2.44 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.50 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1770 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.20 REMARK 3 BIN R VALUE (WORKING SET) : 0.3110 REMARK 3 BIN FREE R VALUE SET COUNT : 76 REMARK 3 BIN FREE R VALUE : 0.3720 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4254 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 63 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 62.11 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.68900 REMARK 3 B22 (A**2) : -1.68900 REMARK 3 B33 (A**2) : 3.37700 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): 0.367 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.254 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.213 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 20.540 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.937 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.933 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4354 ; 0.004 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 4127 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5904 ; 1.252 ; 1.846 REMARK 3 BOND ANGLES OTHERS (DEGREES): 9532 ; 0.437 ; 1.744 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 514 ; 6.524 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 19 ; 6.893 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 766 ;14.484 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 658 ; 0.062 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4999 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 971 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 816 ; 0.217 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 82 ; 0.146 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2094 ; 0.181 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 117 ; 0.146 ; 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): 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): 2080 ; 2.629 ; 4.532 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 2080 ; 2.628 ; 4.532 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2586 ; 4.273 ; 8.125 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 2587 ; 4.272 ; 8.125 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2274 ; 2.931 ; 4.831 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 2275 ; 2.931 ; 4.831 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 3318 ; 4.879 ; 8.766 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 3319 ; 4.878 ; 8.766 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 : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 489 A 751 REMARK 3 ORIGIN FOR THE GROUP (A): 1.8550 -11.4330 40.2370 REMARK 3 T TENSOR REMARK 3 T11: 0.1846 T22: 0.1374 REMARK 3 T33: 0.0112 T12: -0.0160 REMARK 3 T13: -0.0166 T23: -0.0139 REMARK 3 L TENSOR REMARK 3 L11: 0.8966 L22: 0.6593 REMARK 3 L33: 0.7801 L12: 0.0467 REMARK 3 L13: 0.2538 L23: 0.1009 REMARK 3 S TENSOR REMARK 3 S11: -0.0061 S12: 0.0366 S13: -0.0024 REMARK 3 S21: -0.0257 S22: 0.0706 S23: 0.0383 REMARK 3 S31: -0.0161 S32: 0.1191 S33: -0.0645 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 0 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 ORIGIN FOR THE GROUP (A): -2.4410 -35.3290 65.8290 REMARK 3 T TENSOR REMARK 3 T11: 0.2774 T22: 0.1149 REMARK 3 T33: 0.0168 T12: -0.0257 REMARK 3 T13: -0.0548 T23: -0.0108 REMARK 3 L TENSOR REMARK 3 L11: 1.5655 L22: 1.5657 REMARK 3 L33: 1.8097 L12: 0.7914 REMARK 3 L13: 1.3146 L23: 1.2621 REMARK 3 S TENSOR REMARK 3 S11: 0.2655 S12: 0.0173 S13: -0.1086 REMARK 3 S21: 0.1930 S22: -0.1187 S23: -0.0873 REMARK 3 S31: 0.3713 S32: 0.0076 S33: -0.1468 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 0 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 ORIGIN FOR THE GROUP (A): -10.2860 -26.1410 24.9310 REMARK 3 T TENSOR REMARK 3 T11: 0.2242 T22: 0.2241 REMARK 3 T33: 0.1311 T12: -0.0680 REMARK 3 T13: -0.0465 T23: -0.0105 REMARK 3 L TENSOR REMARK 3 L11: 10.1758 L22: 6.2837 REMARK 3 L33: 3.3302 L12: -1.9165 REMARK 3 L13: -1.0188 L23: 1.5755 REMARK 3 S TENSOR REMARK 3 S11: -0.5322 S12: 1.2246 S13: -0.3875 REMARK 3 S21: -0.1630 S22: 0.0544 S23: 0.7220 REMARK 3 S31: 0.0662 S32: -0.1609 S33: 0.4778 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 0 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 ORIGIN FOR THE GROUP (A): -17.3250 -45.6810 49.3780 REMARK 3 T TENSOR REMARK 3 T11: 0.3306 T22: 0.1188 REMARK 3 T33: 0.0536 T12: -0.0592 REMARK 3 T13: -0.0792 T23: -0.0380 REMARK 3 L TENSOR REMARK 3 L11: 23.7645 L22: 2.6929 REMARK 3 L33: 5.3468 L12: -5.2213 REMARK 3 L13: -0.0656 L23: 2.8883 REMARK 3 S TENSOR REMARK 3 S11: 0.3614 S12: 0.7305 S13: -0.0687 REMARK 3 S21: 0.2213 S22: -0.4186 S23: 0.0530 REMARK 3 S31: 0.5836 S32: -0.4756 S33: 0.0572 REMARK 3 REMARK 3 TLS GROUP : 5 REMARK 3 NUMBER OF COMPONENTS GROUP : 0 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 ORIGIN FOR THE GROUP (A): -22.0950 -36.1320 44.4610 REMARK 3 T TENSOR REMARK 3 T11: 0.4358 T22: 0.4715 REMARK 3 T33: 0.1053 T12: 0.1677 REMARK 3 T13: -0.0468 T23: 0.0976 REMARK 3 L TENSOR REMARK 3 L11: 13.2979 L22: 1.2145 REMARK 3 L33: 1.3654 L12: -3.9743 REMARK 3 L13: 4.2465 L23: -1.2563 REMARK 3 S TENSOR REMARK 3 S11: 0.0290 S12: -0.4412 S13: -0.8844 REMARK 3 S21: 0.0612 S22: 0.2362 S23: 0.2765 REMARK 3 S31: 0.0244 S32: -0.0867 S33: -0.2653 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT 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 9P4B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-OCT-22. REMARK 100 THE DEPOSITION ID IS D_1000297094. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27046 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.440 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.44 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 10.30 REMARK 200 R MERGE FOR SHELL (I) : 1.90600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4X7J REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 11% PEG 20K , 100 MM MES PH 6.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 136.89500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 35.46000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 35.46000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 68.44750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 35.46000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 35.46000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 205.34250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 35.46000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 35.46000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 68.44750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 35.46000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 35.46000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 205.34250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 136.89500 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4, 5 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 5 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: E 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 GLY A 484 REMARK 465 SER A 485 REMARK 465 GLY A 486 REMARK 465 ARG A 487 REMARK 465 LYS A 488 REMARK 465 GLY A 699 REMARK 465 GLN A 700 REMARK 465 GLN A 701 REMARK 465 SER A 702 REMARK 465 GLU A 703 REMARK 465 VAL A 704 REMARK 465 PRO A 705 REMARK 465 GLY A 706 REMARK 465 SER A 707 REMARK 465 ILE A 708 REMARK 465 PRO A 709 REMARK 465 GLY B 484 REMARK 465 SER B 485 REMARK 465 GLY B 486 REMARK 465 ARG B 487 REMARK 465 LYS B 488 REMARK 465 GLU B 489 REMARK 465 GLY B 596 REMARK 465 TRP B 597 REMARK 465 THR B 598 REMARK 465 GLU B 599 REMARK 465 GLU B 600 REMARK 465 ASP B 601 REMARK 465 GLY B 699 REMARK 465 GLN B 700 REMARK 465 GLN B 701 REMARK 465 SER B 702 REMARK 465 GLU B 703 REMARK 465 VAL B 704 REMARK 465 PRO B 705 REMARK 465 GLY B 706 REMARK 465 SER B 707 REMARK 465 ILE B 708 REMARK 465 GLN C 1 REMARK 465 GLN D 1 REMARK 465 GLN E 1 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 A 589 OG SER A 595 2.15 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 VAL A 531 -60.68 -104.08 REMARK 500 PHE A 568 129.11 -34.35 REMARK 500 ASN A 570 43.48 -140.59 REMARK 500 CYS B 494 42.12 -87.82 REMARK 500 THR B 545 -18.61 73.17 REMARK 500 PHE B 568 126.90 -38.89 REMARK 500 SER B 692 -167.70 -119.31 REMARK 500 SER B 726 -34.82 -135.00 REMARK 500 VAL E 3 74.48 52.64 REMARK 500 ARG E 6 72.42 -107.18 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 ARG A 659 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 9P4B A 487 751 UNP P40692 MLH1_HUMAN 487 751 DBREF 9P4B B 487 751 UNP P40692 MLH1_HUMAN 487 751 DBREF 9P4B C 1 9 UNP P20585 MSH3_HUMAN 21 29 DBREF 9P4B D 1 9 UNP P20585 MSH3_HUMAN 21 29 DBREF 9P4B E 1 9 UNP P20585 MSH3_HUMAN 21 29 SEQADV 9P4B GLY A 484 UNP P40692 EXPRESSION TAG SEQADV 9P4B SER A 485 UNP P40692 EXPRESSION TAG SEQADV 9P4B GLY A 486 UNP P40692 EXPRESSION TAG SEQADV 9P4B GLY B 484 UNP P40692 EXPRESSION TAG SEQADV 9P4B SER B 485 UNP P40692 EXPRESSION TAG SEQADV 9P4B GLY B 486 UNP P40692 EXPRESSION TAG SEQRES 1 A 268 GLY SER GLY ARG LYS GLU MET THR ALA ALA CYS THR PRO SEQRES 2 A 268 ARG ARG ARG ILE ILE ASN LEU THR SER VAL LEU SER LEU SEQRES 3 A 268 GLN GLU GLU ILE ASN GLU GLN GLY HIS GLU VAL LEU ARG SEQRES 4 A 268 GLU MET LEU HIS ASN HIS SER PHE VAL GLY CYS VAL ASN SEQRES 5 A 268 PRO GLN TRP ALA LEU ALA GLN HIS GLN THR LYS LEU TYR SEQRES 6 A 268 LEU LEU ASN THR THR LYS LEU SER GLU GLU LEU PHE TYR SEQRES 7 A 268 GLN ILE LEU ILE TYR ASP PHE ALA ASN PHE GLY VAL LEU SEQRES 8 A 268 ARG LEU SER GLU PRO ALA PRO LEU PHE ASP LEU ALA MET SEQRES 9 A 268 LEU ALA LEU ASP SER PRO GLU SER GLY TRP THR GLU GLU SEQRES 10 A 268 ASP GLY PRO LYS GLU GLY LEU ALA GLU TYR ILE VAL GLU SEQRES 11 A 268 PHE LEU LYS LYS LYS ALA GLU MET LEU ALA ASP TYR PHE SEQRES 12 A 268 SER LEU GLU ILE ASP GLU GLU GLY ASN LEU ILE GLY LEU SEQRES 13 A 268 PRO LEU LEU ILE ASP ASN TYR VAL PRO PRO LEU GLU GLY SEQRES 14 A 268 LEU PRO ILE PHE ILE LEU ARG LEU ALA THR GLU VAL ASN SEQRES 15 A 268 TRP ASP GLU GLU LYS GLU CYS PHE GLU SER LEU SER LYS SEQRES 16 A 268 GLU CYS ALA MET PHE TYR SER ILE ARG LYS GLN TYR ILE SEQRES 17 A 268 SER GLU GLU SER THR LEU SER GLY GLN GLN SER GLU VAL SEQRES 18 A 268 PRO GLY SER ILE PRO ASN SER TRP LYS TRP THR VAL GLU SEQRES 19 A 268 HIS ILE VAL TYR LYS ALA LEU ARG SER HIS ILE LEU PRO SEQRES 20 A 268 PRO LYS HIS PHE THR GLU ASP GLY ASN ILE LEU GLN LEU SEQRES 21 A 268 ALA ASN LEU PRO ASP LEU TYR LYS SEQRES 1 B 268 GLY SER GLY ARG LYS GLU MET THR ALA ALA CYS THR PRO SEQRES 2 B 268 ARG ARG ARG ILE ILE ASN LEU THR SER VAL LEU SER LEU SEQRES 3 B 268 GLN GLU GLU ILE ASN GLU GLN GLY HIS GLU VAL LEU ARG SEQRES 4 B 268 GLU MET LEU HIS ASN HIS SER PHE VAL GLY CYS VAL ASN SEQRES 5 B 268 PRO GLN TRP ALA LEU ALA GLN HIS GLN THR LYS LEU TYR SEQRES 6 B 268 LEU LEU ASN THR THR LYS LEU SER GLU GLU LEU PHE TYR SEQRES 7 B 268 GLN ILE LEU ILE TYR ASP PHE ALA ASN PHE GLY VAL LEU SEQRES 8 B 268 ARG LEU SER GLU PRO ALA PRO LEU PHE ASP LEU ALA MET SEQRES 9 B 268 LEU ALA LEU ASP SER PRO GLU SER GLY TRP THR GLU GLU SEQRES 10 B 268 ASP GLY PRO LYS GLU GLY LEU ALA GLU TYR ILE VAL GLU SEQRES 11 B 268 PHE LEU LYS LYS LYS ALA GLU MET LEU ALA ASP TYR PHE SEQRES 12 B 268 SER LEU GLU ILE ASP GLU GLU GLY ASN LEU ILE GLY LEU SEQRES 13 B 268 PRO LEU LEU ILE ASP ASN TYR VAL PRO PRO LEU GLU GLY SEQRES 14 B 268 LEU PRO ILE PHE ILE LEU ARG LEU ALA THR GLU VAL ASN SEQRES 15 B 268 TRP ASP GLU GLU LYS GLU CYS PHE GLU SER LEU SER LYS SEQRES 16 B 268 GLU CYS ALA MET PHE TYR SER ILE ARG LYS GLN TYR ILE SEQRES 17 B 268 SER GLU GLU SER THR LEU SER GLY GLN GLN SER GLU VAL SEQRES 18 B 268 PRO GLY SER ILE PRO ASN SER TRP LYS TRP THR VAL GLU SEQRES 19 B 268 HIS ILE VAL TYR LYS ALA LEU ARG SER HIS ILE LEU PRO SEQRES 20 B 268 PRO LYS HIS PHE THR GLU ASP GLY ASN ILE LEU GLN LEU SEQRES 21 B 268 ALA ASN LEU PRO ASP LEU TYR LYS SEQRES 1 C 9 GLN ALA VAL LEU SER ARG PHE PHE GLN SEQRES 1 D 9 GLN ALA VAL LEU SER ARG PHE PHE GLN SEQRES 1 E 9 GLN ALA VAL LEU SER ARG PHE PHE GLN FORMUL 6 HOH *63(H2 O) HELIX 1 AA1 LEU A 503 GLN A 516 1 14 HELIX 2 AA2 HIS A 518 ASN A 527 1 10 HELIX 3 AA3 THR A 552 ASP A 567 1 16 HELIX 4 AA4 LEU A 582 ASP A 591 1 10 HELIX 5 AA5 SER A 592 GLY A 596 5 5 HELIX 6 AA6 THR A 598 GLY A 602 5 5 HELIX 7 AA7 PRO A 603 LYS A 618 1 16 HELIX 8 AA8 LYS A 618 SER A 627 1 10 HELIX 9 AA9 PRO A 649 GLU A 651 5 3 HELIX 10 AB1 GLY A 652 GLU A 663 1 12 HELIX 11 AB2 GLU A 668 SER A 685 1 18 HELIX 12 AB3 ARG A 687 ILE A 691 5 5 HELIX 13 AB4 SER A 711 ILE A 719 1 9 HELIX 14 AB5 ILE A 719 LEU A 724 1 6 HELIX 15 AB6 PRO A 731 GLU A 736 5 6 HELIX 16 AB7 LEU B 503 GLN B 516 1 14 HELIX 17 AB8 HIS B 518 ASN B 527 1 10 HELIX 18 AB9 THR B 552 ASP B 567 1 16 HELIX 19 AC1 LEU B 582 ASP B 591 1 10 HELIX 20 AC2 PRO B 603 LYS B 618 1 16 HELIX 21 AC3 LYS B 618 SER B 627 1 10 HELIX 22 AC4 PRO B 649 GLU B 651 5 3 HELIX 23 AC5 GLY B 652 GLU B 663 1 12 HELIX 24 AC6 GLU B 668 SER B 685 1 18 HELIX 25 AC7 ARG B 687 ILE B 691 5 5 HELIX 26 AC8 SER B 711 ILE B 719 1 9 HELIX 27 AC9 ILE B 719 ARG B 725 1 7 HELIX 28 AD1 LYS B 732 ASP B 737 1 6 HELIX 29 AD2 SER C 5 GLN C 9 5 5 SHEET 1 AA1 4 SER A 529 ASN A 535 0 SHEET 2 AA1 4 TRP A 538 HIS A 543 -1 O GLN A 542 N SER A 529 SHEET 3 AA1 4 LYS A 546 ASN A 551 -1 O LEU A 550 N ALA A 539 SHEET 4 AA1 4 ILE A 740 GLN A 742 -1 O LEU A 741 N LEU A 549 SHEET 1 AA2 4 GLU A 629 ILE A 630 0 SHEET 2 AA2 4 ASN A 635 LEU A 641 -1 O ILE A 637 N GLU A 629 SHEET 3 AA2 4 GLY A 572 PRO A 581 -1 N ALA A 580 O LEU A 636 SHEET 4 AA2 4 THR B 491 ALA B 493 -1 O THR B 491 N ARG A 575 SHEET 1 AA3 4 SER B 529 CYS B 533 0 SHEET 2 AA3 4 TRP B 538 HIS B 543 -1 O GLN B 542 N SER B 529 SHEET 3 AA3 4 LYS B 546 ASN B 551 -1 O TYR B 548 N ALA B 541 SHEET 4 AA3 4 ILE B 740 GLN B 742 -1 O LEU B 741 N LEU B 549 SHEET 1 AA4 3 GLY B 572 PRO B 581 0 SHEET 2 AA4 3 ASN B 635 LEU B 641 -1 O LEU B 639 N LEU B 574 SHEET 3 AA4 3 GLU B 629 ILE B 630 -1 N GLU B 629 O ILE B 637 SSBOND 1 CYS A 494 CYS B 494 1555 1555 2.04 CRYST1 70.920 70.920 273.790 90.00 90.00 90.00 P 41 21 2 24 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 0.014100 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014100 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003652 0.00000 CONECT 40 2082 CONECT 2082 40 MASTER 464 0 0 29 15 0 0 6 4317 5 2 45 END