HEADER OXIDOREDUCTASE 22-JUN-21 7R6G TITLE CRYSTAL STRUCTURE OF DFRA5 DIHYDROFOLATE REDUCTASE IN COMPLEX WITH TITLE 2 TRIMETHOPRIM AND NADPH COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE TYPE 5; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: DIHYDROFOLATE REDUCTASE TYPE V; COMPND 5 EC: 1.5.1.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: DHFRV; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET24A(+) KEYWDS DIHYDROFOLATE REDUCTASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR A.ESTRADA,D.WRIGHT,J.KRUCINSKA,H.ERLANDSEN REVDAT 3 18-OCT-23 7R6G 1 REMARK REVDAT 2 24-AUG-22 7R6G 1 JRNL REVDAT 1 29-JUN-22 7R6G 0 JRNL AUTH J.KRUCINSKA,M.N.LOMBARDO,H.ERLANDSEN,A.ESTRADA,D.SI, JRNL AUTH 2 K.VISWANATHAN,D.L.WRIGHT JRNL TITL STRUCTURE-GUIDED FUNCTIONAL STUDIES OF PLASMID-ENCODED JRNL TITL 2 DIHYDROFOLATE REDUCTASES REVEAL A COMMON MECHANISM OF JRNL TITL 3 TRIMETHOPRIM RESISTANCE IN GRAM-NEGATIVE PATHOGENS. JRNL REF COMMUN BIOL V. 5 459 2022 JRNL REFN ESSN 2399-3642 JRNL PMID 35562546 JRNL DOI 10.1038/S42003-022-03384-Y REMARK 2 REMARK 2 RESOLUTION. 2.61 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 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) : 2.61 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 99.53 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 12280 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) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.700 REMARK 3 FREE R VALUE TEST SET COUNT : 742 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) : 2.61 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.68 REMARK 3 REFLECTION IN BIN (WORKING SET) : 897 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.68 REMARK 3 BIN R VALUE (WORKING SET) : 0.2870 REMARK 3 BIN FREE R VALUE SET COUNT : 74 REMARK 3 BIN FREE R VALUE : 0.3750 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2470 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 126 REMARK 3 SOLVENT ATOMS : 12 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.09 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.81000 REMARK 3 B22 (A**2) : 0.81000 REMARK 3 B33 (A**2) : -1.63000 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): 0.562 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.275 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.222 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.801 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.934 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.923 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2668 ; 0.012 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2432 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3644 ; 1.890 ; 1.641 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5598 ; 1.287 ; 1.572 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 312 ; 9.401 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 120 ;33.687 ;23.667 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 412 ;18.593 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;15.180 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 350 ; 0.073 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2956 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 606 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 NCS TYPE: LOCAL REMARK 3 NUMBER OF DIFFERENT NCS PAIRS : 1 REMARK 3 GROUP CHAIN1 RANGE CHAIN2 RANGE COUNT RMS WEIGHT REMARK 3 1 A 1 157 B 1 157 4634 0.110 0.050 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7R6G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUN-21. REMARK 100 THE DEPOSITION ID IS D_1000257633. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-JAN-19 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 : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13057 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.610 REMARK 200 RESOLUTION RANGE LOW (A) : 99.530 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.17000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.61 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 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: 1RX2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 23% TO 25% PEG3350, 0.1M MES PH 6.0, REMARK 280 0.3M LISO4 AND 2MM DTT, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 21.41000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 32.11500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 10.70500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 ARG A 104 CG - CD - NE ANGL. DEV. = -13.4 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 TRP A 23 155.76 162.67 REMARK 500 TRP B 23 156.73 163.50 REMARK 500 ASP B 125 17.33 -146.19 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 GLY A 98 GLY A 99 -121.89 REMARK 500 GLY B 98 GLY B 99 -127.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 NDP A 202 REMARK 610 NDP B 202 DBREF 7R6G A 1 157 UNP P11731 DYR5_ECOLX 1 157 DBREF 7R6G B 1 157 UNP P11731 DYR5_ECOLX 1 157 SEQRES 1 A 157 MET LYS VAL SER LEU MET ALA ALA LYS ALA LYS ASN GLY SEQRES 2 A 157 VAL ILE GLY CYS GLY PRO HIS ILE PRO TRP SER ALA LYS SEQRES 3 A 157 GLY GLU GLN LEU LEU PHE LYS ALA LEU THR TYR ASN GLN SEQRES 4 A 157 TRP LEU LEU VAL GLY ARG LYS THR PHE GLU SER MET GLY SEQRES 5 A 157 ALA LEU PRO ASN ARG LYS TYR ALA VAL VAL THR ARG SER SEQRES 6 A 157 ALA TRP THR ALA ASP ASN ASP ASN VAL ILE VAL PHE PRO SEQRES 7 A 157 SER ILE GLU GLU ALA MET TYR GLY LEU ALA GLU LEU THR SEQRES 8 A 157 ASP HIS VAL ILE VAL SER GLY GLY GLY GLU ILE TYR ARG SEQRES 9 A 157 GLU THR LEU PRO MET ALA SER THR LEU HIS ILE SER THR SEQRES 10 A 157 ILE ASP ILE GLU PRO GLU GLY ASP VAL PHE PHE PRO ASN SEQRES 11 A 157 ILE PRO ASN THR PHE GLU VAL VAL PHE GLU GLN HIS PHE SEQRES 12 A 157 SER SER ASN ILE ASN TYR CYS TYR GLN ILE TRP GLN LYS SEQRES 13 A 157 GLY SEQRES 1 B 157 MET LYS VAL SER LEU MET ALA ALA LYS ALA LYS ASN GLY SEQRES 2 B 157 VAL ILE GLY CYS GLY PRO HIS ILE PRO TRP SER ALA LYS SEQRES 3 B 157 GLY GLU GLN LEU LEU PHE LYS ALA LEU THR TYR ASN GLN SEQRES 4 B 157 TRP LEU LEU VAL GLY ARG LYS THR PHE GLU SER MET GLY SEQRES 5 B 157 ALA LEU PRO ASN ARG LYS TYR ALA VAL VAL THR ARG SER SEQRES 6 B 157 ALA TRP THR ALA ASP ASN ASP ASN VAL ILE VAL PHE PRO SEQRES 7 B 157 SER ILE GLU GLU ALA MET TYR GLY LEU ALA GLU LEU THR SEQRES 8 B 157 ASP HIS VAL ILE VAL SER GLY GLY GLY GLU ILE TYR ARG SEQRES 9 B 157 GLU THR LEU PRO MET ALA SER THR LEU HIS ILE SER THR SEQRES 10 B 157 ILE ASP ILE GLU PRO GLU GLY ASP VAL PHE PHE PRO ASN SEQRES 11 B 157 ILE PRO ASN THR PHE GLU VAL VAL PHE GLU GLN HIS PHE SEQRES 12 B 157 SER SER ASN ILE ASN TYR CYS TYR GLN ILE TRP GLN LYS SEQRES 13 B 157 GLY HET TOP A 201 21 HET NDP A 202 40 HET SO4 A 203 5 HET TOP B 201 21 HET NDP B 202 39 HETNAM TOP TRIMETHOPRIM HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM SO4 SULFATE ION FORMUL 3 TOP 2(C14 H18 N4 O3) FORMUL 4 NDP 2(C21 H30 N7 O17 P3) FORMUL 5 SO4 O4 S 2- FORMUL 8 HOH *12(H2 O) HELIX 1 AA1 GLU A 28 TYR A 37 1 10 HELIX 2 AA2 ARG A 45 GLY A 52 1 8 HELIX 3 AA3 SER A 79 GLU A 89 1 11 HELIX 4 AA4 GLY A 99 LEU A 107 1 9 HELIX 5 AA5 PRO A 108 ALA A 110 5 3 HELIX 6 AA6 GLU B 28 TYR B 37 1 10 HELIX 7 AA7 ARG B 45 GLY B 52 1 8 HELIX 8 AA8 SER B 79 THR B 91 1 13 HELIX 9 AA9 GLY B 99 LEU B 107 1 9 HELIX 10 AB1 PRO B 108 ALA B 110 5 3 SHEET 1 AA1 8 VAL A 74 PHE A 77 0 SHEET 2 AA1 8 LYS A 58 VAL A 62 1 N TYR A 59 O ILE A 75 SHEET 3 AA1 8 TRP A 40 GLY A 44 1 N LEU A 41 O ALA A 60 SHEET 4 AA1 8 HIS A 93 VAL A 96 1 O ILE A 95 N TRP A 40 SHEET 5 AA1 8 LYS A 2 ALA A 10 1 N MET A 6 O VAL A 96 SHEET 6 AA1 8 THR A 112 ILE A 118 1 O SER A 116 N LYS A 9 SHEET 7 AA1 8 TYR A 149 LYS A 156 -1 O GLN A 152 N ILE A 115 SHEET 8 AA1 8 PHE A 135 PHE A 143 -1 N VAL A 138 O ILE A 153 SHEET 1 AA2 2 VAL A 14 GLY A 16 0 SHEET 2 AA2 2 VAL A 126 PHE A 127 -1 O VAL A 126 N GLY A 16 SHEET 1 AA3 8 VAL B 74 PHE B 77 0 SHEET 2 AA3 8 LYS B 58 VAL B 62 1 N TYR B 59 O ILE B 75 SHEET 3 AA3 8 TRP B 40 GLY B 44 1 N LEU B 41 O LYS B 58 SHEET 4 AA3 8 HIS B 93 VAL B 96 1 O ILE B 95 N TRP B 40 SHEET 5 AA3 8 LYS B 2 ALA B 10 1 N MET B 6 O VAL B 96 SHEET 6 AA3 8 THR B 112 ILE B 118 1 O SER B 116 N LYS B 9 SHEET 7 AA3 8 TYR B 149 LYS B 156 -1 O GLN B 152 N ILE B 115 SHEET 8 AA3 8 PHE B 135 PHE B 143 -1 N VAL B 138 O ILE B 153 SHEET 1 AA4 2 VAL B 14 GLY B 16 0 SHEET 2 AA4 2 VAL B 126 PHE B 127 -1 O VAL B 126 N ILE B 15 CRYST1 99.530 99.530 42.820 90.00 90.00 90.00 P 43 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 0.010047 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010047 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023354 0.00000