HEADER OXIDOREDUCTASE, TRANSFERASE 18-MAR-08 3CL9 TITLE STRUCTURE OF BIFUNCTIONAL TCDHFR-TS IN COMPLEX WITH MTX COMPND MOL_ID: 1; COMPND 2 MOLECULE: BIFUNCTIONAL DIHYDROFOLATE REDUCTASE-THYMIDYLATE SYNTHASE COMPND 3 (DHFR-TS); COMPND 4 CHAIN: A; COMPND 5 EC: 1.5.1.3, 2.1.1.45; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI; SOURCE 3 ORGANISM_TAXID: 5693; SOURCE 4 STRAIN: Y; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: ROSETTA(DE3)PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS BIFUNCTIONAL ENZYME IN COMPLEX WITH NADP, MTX AND DUMP, KEYWDS 2 METHYLTRANSFERASE, MULTIFUNCTIONAL ENZYME, NUCLEOTIDE BIOSYNTHESIS, KEYWDS 3 ONE-CARBON METABOLISM, OXIDOREDUCTASE, TRANSFERASE, OXIDOREDUCTASE- KEYWDS 4 TRANSFERASE COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR N.SCHORMANN,O.SENKOVICH,D.CHATTOPADHYAY REVDAT 3 30-AUG-23 3CL9 1 REMARK REVDAT 2 13-JUL-11 3CL9 1 VERSN REVDAT 1 06-JAN-09 3CL9 0 JRNL AUTH N.SCHORMANN,O.SENKOVICH,K.WALKER,D.L.WRIGHT,A.C.ANDERSON, JRNL AUTH 2 A.ROSOWSKY,S.ANANTHAN,B.SHINKRE,S.VELU,D.CHATTOPADHYAY JRNL TITL STRUCTURE-BASED APPROACH TO PHARMACOPHORE IDENTIFICATION, IN JRNL TITL 2 SILICO SCREENING, AND THREE-DIMENSIONAL QUANTITATIVE JRNL TITL 3 STRUCTURE-ACTIVITY RELATIONSHIP STUDIES FOR INHIBITORS OF JRNL TITL 4 TRYPANOSOMA CRUZI DIHYDROFOLATE REDUCTASE FUNCTION. JRNL REF PROTEINS V. 73 889 2008 JRNL REFN ISSN 0887-3585 JRNL PMID 18536013 JRNL DOI 10.1002/PROT.22115 REMARK 2 REMARK 2 RESOLUTION. 3.30 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) : 3.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.78 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 13809 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 738 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) : 3.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.38 REMARK 3 REFLECTION IN BIN (WORKING SET) : 987 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.14 REMARK 3 BIN R VALUE (WORKING SET) : 0.2610 REMARK 3 BIN FREE R VALUE SET COUNT : 54 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4015 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 122 REMARK 3 SOLVENT ATOMS : 20 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 87.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 90.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.03000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : -0.07000 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): 0.463 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.348 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 45.197 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.943 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.898 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4234 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5756 ; 1.322 ; 1.994 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 503 ; 5.899 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 195 ;36.899 ;22.769 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 683 ;20.152 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 40 ;15.737 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 619 ; 0.085 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3229 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 2032 ; 0.222 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2837 ; 0.313 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 160 ; 0.148 ; 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): 70 ; 0.176 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 10 ; 0.207 ; 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): 2570 ; 0.428 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4073 ; 0.774 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1890 ; 0.811 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1683 ; 1.466 ; 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 : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 2 A 514 REMARK 3 ORIGIN FOR THE GROUP (A): -23.1331 2.6536 15.1288 REMARK 3 T TENSOR REMARK 3 T11: -0.2800 T22: -0.1699 REMARK 3 T33: -0.1360 T12: 0.1613 REMARK 3 T13: 0.1791 T23: 0.0315 REMARK 3 L TENSOR REMARK 3 L11: 1.9153 L22: 0.6367 REMARK 3 L33: 4.1344 L12: 0.3180 REMARK 3 L13: 1.8795 L23: 0.4942 REMARK 3 S TENSOR REMARK 3 S11: -0.0165 S12: 0.0066 S13: 0.1677 REMARK 3 S21: 0.3067 S22: -0.0338 S23: 0.5508 REMARK 3 S31: -0.2451 S32: -0.9775 S33: 0.0503 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3CL9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAR-08. REMARK 100 THE DEPOSITION ID IS D_1000046913. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9998 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14555 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.300 REMARK 200 RESOLUTION RANGE LOW (A) : 19.780 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : 0.01000 REMARK 200 R SYM (I) : 0.01000 REMARK 200 FOR THE DATA SET : 9.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.43300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 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: 2H2Q REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 17% 2-METHYL-2,4-PENTANEDIOL, 10% PEG REMARK 280 4000, 0.1M POTASSIUM CITRATE, PH 6.0, , VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 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,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-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 60.52500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 60.52500 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 130.38000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 65.19000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 60.52500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 195.57000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 195.57000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 60.52500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 65.19000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 60.52500 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 130.38000 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 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 60.52500 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 130.38000 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 60.52500 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 195.57000 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 65.19000 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 60.52500 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 65.19000 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 195.57000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 60.52500 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 60.52500 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 130.38000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: 12317 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 41812 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -72.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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: 9767 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 44363 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 KCAL/MOL 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 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 32539 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 75719 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -178.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 -1.000000 0.000000 0.000000 0.00000 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 0.00000 REMARK 350 BIOMT3 4 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 GLY A 111 REMARK 465 LEU A 112 REMARK 465 PRO A 113 REMARK 465 ASP A 114 REMARK 465 GLU A 115 REMARK 465 GLU A 116 REMARK 465 LYS A 117 REMARK 465 ARG A 118 REMARK 465 ILE A 515 REMARK 465 SER A 516 REMARK 465 MET A 517 REMARK 465 LYS A 518 REMARK 465 MET A 519 REMARK 465 ALA A 520 REMARK 465 VAL A 521 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASN A 63 CG OD1 ND2 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 PRO A 142 C - N - CA ANGL. DEV. = 12.8 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 LEU A 3 116.92 65.44 REMARK 500 PHE A 4 -55.91 96.81 REMARK 500 LYS A 5 -179.68 -62.46 REMARK 500 GLU A 10 -76.36 -76.73 REMARK 500 ALA A 19 121.04 -36.28 REMARK 500 ASP A 37 85.53 -60.67 REMARK 500 SER A 40 -147.26 63.77 REMARK 500 ASN A 63 75.42 -60.18 REMARK 500 LEU A 109 97.76 -51.60 REMARK 500 LEU A 120 122.08 159.78 REMARK 500 HIS A 121 94.81 175.11 REMARK 500 PRO A 142 -42.35 -12.69 REMARK 500 ARG A 181 49.69 -78.13 REMARK 500 SER A 186 -5.22 -57.52 REMARK 500 SER A 188 -72.74 -73.18 REMARK 500 ALA A 218 12.27 -67.04 REMARK 500 ASN A 219 -167.82 -76.47 REMARK 500 ASN A 234 76.77 -104.05 REMARK 500 PRO A 280 70.26 -69.16 REMARK 500 THR A 304 -36.35 -146.81 REMARK 500 TYR A 305 98.27 -68.16 REMARK 500 ASP A 311 -39.18 -39.65 REMARK 500 LEU A 331 76.11 -100.64 REMARK 500 TYR A 343 -94.60 20.79 REMARK 500 THR A 355 -63.79 -131.57 REMARK 500 LEU A 400 126.70 -172.66 REMARK 500 LEU A 429 -44.27 -153.97 REMARK 500 ASP A 508 31.05 74.52 REMARK 500 PRO A 511 -152.74 -80.19 REMARK 500 PRO A 513 139.35 -23.45 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU A 3 PHE A 4 -62.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UMP A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 701 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2H2Q RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF TCDHFR-TS WITHOUT SUBSTRATE OR INHIBITOR REMARK 900 IN THE DHFR DOMAIN REMARK 900 RELATED ID: 3CLB RELATED DB: PDB REMARK 900 STRUCTURE OF BIFUNCTIONAL TCDHFR-TS IN COMPLEX WITH TMQ REMARK 999 REMARK 999 AUTHORS STATE THAT THE DIFFERENCE IN SEQUENCE COULD ARISE REMARK 999 DUE TO PCR MUTATION, POLYMOPHISM OF DHFR-TS OR ERROR IN REMARK 999 DATABASE SEQUENCE. DBREF 3CL9 A 1 521 UNP Q27793 DRTS_TRYCR 1 521 SEQADV 3CL9 ARG A 32 UNP Q27793 HIS 32 SEE REMARK 999 SEQADV 3CL9 VAL A 55 UNP Q27793 LEU 55 SEE REMARK 999 SEQADV 3CL9 GLN A 137 UNP Q27793 ARG 137 SEE REMARK 999 SEQRES 1 A 521 MET SER LEU PHE LYS ILE ARG MET PRO GLU THR VAL ALA SEQRES 2 A 521 GLU GLY THR ARG LEU ALA LEU ARG ALA PHE SER LEU VAL SEQRES 3 A 521 VAL ALA VAL ASP GLU ARG GLY GLY ILE GLY ASP GLY ARG SEQRES 4 A 521 SER ILE PRO TRP ASN VAL PRO GLU ASP MET LYS PHE PHE SEQRES 5 A 521 ARG ASP VAL THR THR LYS LEU ARG GLY LYS ASN VAL LYS SEQRES 6 A 521 PRO SER PRO ALA LYS ARG ASN ALA VAL VAL MET GLY ARG SEQRES 7 A 521 LYS THR TRP ASP SER ILE PRO PRO LYS PHE ARG PRO LEU SEQRES 8 A 521 PRO GLY ARG LEU ASN VAL VAL LEU SER SER THR LEU THR SEQRES 9 A 521 THR GLN HIS LEU LEU ASP GLY LEU PRO ASP GLU GLU LYS SEQRES 10 A 521 ARG ASN LEU HIS ALA ASP SER ILE VAL ALA VAL ASN GLY SEQRES 11 A 521 GLY LEU GLU GLN ALA LEU GLN LEU LEU ALA SER PRO ASN SEQRES 12 A 521 TYR THR PRO SER ILE GLU THR VAL TYR CYS ILE GLY GLY SEQRES 13 A 521 GLY SER VAL TYR ALA GLU ALA LEU ARG PRO PRO CYS VAL SEQRES 14 A 521 HIS LEU LEU GLN ALA ILE TYR ARG THR THR ILE ARG ALA SEQRES 15 A 521 SER GLU SER SER CYS SER VAL PHE PHE ARG VAL PRO GLU SEQRES 16 A 521 SER GLY THR GLU ALA ALA ALA GLY ILE GLU TRP GLN ARG SEQRES 17 A 521 GLU THR ILE SER GLU GLU LEU THR SER ALA ASN GLY ASN SEQRES 18 A 521 GLU THR LYS TYR TYR PHE GLU LYS LEU ILE PRO ARG ASN SEQRES 19 A 521 ARG GLU GLU GLU GLN TYR LEU SER LEU VAL ASP ARG ILE SEQRES 20 A 521 ILE ARG GLU GLY ASN VAL LYS HIS ASP ARG THR GLY VAL SEQRES 21 A 521 GLY THR LEU SER ILE PHE GLY ALA GLN MET ARG PHE SER SEQRES 22 A 521 LEU ARG ASN ASN ARG LEU PRO LEU LEU THR THR LYS ARG SEQRES 23 A 521 VAL PHE TRP ARG GLY VAL CYS GLU GLU LEU LEU TRP PHE SEQRES 24 A 521 LEU ARG GLY GLU THR TYR ALA LYS LYS LEU SER ASP LYS SEQRES 25 A 521 GLY VAL HIS ILE TRP ASP ASP ASN GLY SER ARG ALA PHE SEQRES 26 A 521 LEU ASP SER ARG GLY LEU THR GLU TYR GLU GLU MET ASP SEQRES 27 A 521 LEU GLY PRO VAL TYR GLY PHE GLN TRP ARG HIS PHE GLY SEQRES 28 A 521 ALA ALA TYR THR HIS HIS ASP ALA ASN TYR ASP GLY GLN SEQRES 29 A 521 GLY VAL ASP GLN ILE LYS ALA ILE VAL GLU THR LEU LYS SEQRES 30 A 521 THR ASN PRO ASP ASP ARG ARG MET LEU PHE THR ALA TRP SEQRES 31 A 521 ASN PRO SER ALA LEU PRO ARG MET ALA LEU PRO PRO CYS SEQRES 32 A 521 HIS LEU LEU ALA GLN PHE TYR VAL SER ASN GLY GLU LEU SEQRES 33 A 521 SER CYS MET LEU TYR GLN ARG SER CYS ASP MET GLY LEU SEQRES 34 A 521 GLY VAL PRO PHE ASN ILE ALA SER TYR ALA LEU LEU THR SEQRES 35 A 521 ILE LEU ILE ALA LYS ALA THR GLY LEU ARG PRO GLY GLU SEQRES 36 A 521 LEU VAL HIS THR LEU GLY ASP ALA HIS VAL TYR SER ASN SEQRES 37 A 521 HIS VAL GLU PRO CYS ASN GLU GLN LEU LYS ARG VAL PRO SEQRES 38 A 521 ARG ALA PHE PRO TYR LEU VAL PHE ARG ARG GLU ARG GLU SEQRES 39 A 521 PHE LEU GLU ASP TYR GLU GLU GLY ASP MET GLU VAL ILE SEQRES 40 A 521 ASP TYR ALA PRO TYR PRO PRO ILE SER MET LYS MET ALA SEQRES 41 A 521 VAL HET SO4 A 801 5 HET SO4 A 802 5 HET CL A 901 1 HET CL A 902 1 HET CL A 903 1 HET NAP A 601 48 HET MTX A 602 33 HET UMP A 603 20 HET EDO A 701 4 HET EDO A 702 4 HETNAM SO4 SULFATE ION HETNAM CL CHLORIDE ION HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM MTX METHOTREXATE HETNAM UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE HETNAM EDO 1,2-ETHANEDIOL HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE HETSYN UMP DUMP HETSYN EDO ETHYLENE GLYCOL FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 CL 3(CL 1-) FORMUL 7 NAP C21 H28 N7 O17 P3 FORMUL 8 MTX C20 H22 N8 O5 FORMUL 9 UMP C9 H13 N2 O8 P FORMUL 10 EDO 2(C2 H6 O2) FORMUL 12 HOH *20(H2 O) HELIX 1 1 VAL A 45 LYS A 58 1 14 HELIX 2 2 GLY A 77 ILE A 84 1 8 HELIX 3 3 PRO A 85 ARG A 89 5 5 HELIX 4 4 THR A 104 LEU A 109 1 6 HELIX 5 5 GLY A 131 ALA A 140 1 10 HELIX 6 6 ASN A 143 SER A 147 1 5 HELIX 7 7 GLY A 156 LEU A 164 1 9 HELIX 8 8 THR A 198 ALA A 202 5 5 HELIX 9 9 ASN A 234 GLY A 251 1 18 HELIX 10 10 ARG A 275 ARG A 278 5 4 HELIX 11 11 PHE A 288 ARG A 301 1 14 HELIX 12 12 ALA A 306 LYS A 312 1 7 HELIX 13 13 TRP A 317 SER A 322 1 6 HELIX 14 14 SER A 322 ARG A 329 1 8 HELIX 15 15 TYR A 343 PHE A 350 1 8 HELIX 16 16 ASP A 367 ASN A 379 1 13 HELIX 17 17 ALA A 394 MET A 398 5 5 HELIX 18 18 LEU A 429 THR A 449 1 21 HELIX 19 19 HIS A 469 ARG A 479 1 11 HELIX 20 20 PHE A 495 TYR A 499 5 5 HELIX 21 21 GLU A 500 GLY A 502 5 3 SHEET 1 A 8 ILE A 125 VAL A 128 0 SHEET 2 A 8 ARG A 94 LEU A 99 1 N ASN A 96 O VAL A 126 SHEET 3 A 8 ARG A 71 MET A 76 1 N MET A 76 O VAL A 97 SHEET 4 A 8 ILE A 148 GLY A 155 1 O TYR A 152 N VAL A 75 SHEET 5 A 8 PHE A 23 ASP A 30 1 N SER A 24 O CYS A 153 SHEET 6 A 8 LEU A 172 ILE A 180 1 O ILE A 180 N VAL A 29 SHEET 7 A 8 GLU A 228 PRO A 232 -1 O LEU A 230 N ILE A 175 SHEET 8 A 8 TRP A 206 ILE A 211 -1 N GLU A 209 O LYS A 229 SHEET 1 B 8 ILE A 125 VAL A 128 0 SHEET 2 B 8 ARG A 94 LEU A 99 1 N ASN A 96 O VAL A 126 SHEET 3 B 8 ARG A 71 MET A 76 1 N MET A 76 O VAL A 97 SHEET 4 B 8 ILE A 148 GLY A 155 1 O TYR A 152 N VAL A 75 SHEET 5 B 8 PHE A 23 ASP A 30 1 N SER A 24 O CYS A 153 SHEET 6 B 8 LEU A 172 ILE A 180 1 O ILE A 180 N VAL A 29 SHEET 7 B 8 LYS A 224 TYR A 226 -1 O TYR A 226 N THR A 179 SHEET 8 B 8 LEU A 215 THR A 216 -1 N LEU A 215 O TYR A 225 SHEET 1 C 6 ASN A 252 HIS A 255 0 SHEET 2 C 6 GLY A 261 SER A 273 -1 O THR A 262 N LYS A 254 SHEET 3 C 6 ARG A 452 TYR A 466 -1 O GLY A 461 N GLY A 267 SHEET 4 C 6 GLU A 415 ASP A 426 1 N LEU A 416 O GLY A 454 SHEET 5 C 6 HIS A 404 SER A 412 -1 N TYR A 410 O SER A 417 SHEET 6 C 6 LEU A 386 THR A 388 -1 N PHE A 387 O ALA A 407 SHEET 1 D 2 TYR A 486 PHE A 489 0 SHEET 2 D 2 MET A 504 ILE A 507 -1 O ILE A 507 N TYR A 486 CISPEP 1 ARG A 89 PRO A 90 0 3.07 CISPEP 2 LEU A 120 HIS A 121 0 26.41 CISPEP 3 GLY A 155 GLY A 156 0 6.46 CISPEP 4 PRO A 166 PRO A 167 0 1.84 SITE 1 AC1 2 ARG A 233 ARG A 235 SITE 1 AC2 6 ARG A 177 TRP A 206 ARG A 208 LEU A 230 SITE 2 AC2 6 ARG A 249 GLU A 250 SITE 1 AC3 22 ALA A 28 ILE A 35 SER A 40 TRP A 43 SITE 2 AC3 22 GLY A 77 ARG A 78 LYS A 79 THR A 80 SITE 3 AC3 22 SER A 83 LEU A 99 SER A 100 SER A 101 SITE 4 AC3 22 THR A 102 ASN A 129 GLY A 130 GLY A 131 SITE 5 AC3 22 ILE A 154 GLY A 155 GLY A 156 GLY A 157 SITE 6 AC3 22 SER A 158 TYR A 160 SITE 1 AC4 13 ALA A 28 ASP A 48 MET A 49 PHE A 52 SITE 2 AC4 13 ARG A 53 THR A 80 SER A 83 PHE A 88 SITE 3 AC4 13 LEU A 91 ARG A 94 ILE A 154 TYR A 160 SITE 4 AC4 13 THR A 178 SITE 1 AC5 13 ARG A 257 ARG A 383 ARG A 384 CYS A 403 SITE 2 AC5 13 HIS A 404 GLN A 422 ARG A 423 SER A 424 SITE 3 AC5 13 ASP A 426 GLY A 430 ASN A 434 HIS A 464 SITE 4 AC5 13 TYR A 466 SITE 1 AC6 2 PHE A 51 PHE A 227 CRYST1 121.050 121.050 260.760 90.00 90.00 90.00 I 41 2 2 16 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 0.008261 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008261 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003835 0.00000