HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 09-SEP-11 3TQ9 TITLE STRUCTURE OF THE DIHYDROFOLATE REDUCTASE (FOLA) FROM COXIELLA BURNETII TITLE 2 IN COMPLEX WITH METHOTREXATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: COXIELLA BURNETII; SOURCE 3 ORGANISM_TAXID: 777; SOURCE 4 STRAIN: RSA 493 NINE MILE PHASE I; SOURCE 5 GENE: CBU_1993, FOLA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET KEYWDS DIHYDROFOLATE REDUCTASE, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.C.FRANKLIN,M.CASSIDY,B.HILLERICH,J.LOVE REVDAT 5 03-APR-24 3TQ9 1 REMARK REVDAT 4 28-FEB-24 3TQ9 1 REMARK SEQADV REVDAT 3 20-JAN-16 3TQ9 1 JRNL REVDAT 2 24-JUN-15 3TQ9 1 JRNL REVDAT 1 02-NOV-11 3TQ9 0 JRNL AUTH M.C.FRANKLIN,J.CHEUNG,M.J.RUDOLPH,F.BURSHTEYN,M.CASSIDY, JRNL AUTH 2 E.GARY,B.HILLERICH,Z.K.YAO,P.R.CARLIER,M.TOTROV,J.D.LOVE JRNL TITL STRUCTURAL GENOMICS FOR DRUG DESIGN AGAINST THE PATHOGEN JRNL TITL 2 COXIELLA BURNETII. JRNL REF PROTEINS V. 83 2124 2015 JRNL REFN ISSN 0887-3585 JRNL PMID 26033498 JRNL DOI 10.1002/PROT.24841 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0072 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.73 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 85.9 REMARK 3 NUMBER OF REFLECTIONS : 6776 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) : 0.218 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 366 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 286 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 50.50 REMARK 3 BIN R VALUE (WORKING SET) : 0.3930 REMARK 3 BIN FREE R VALUE SET COUNT : 15 REMARK 3 BIN FREE R VALUE : 0.5020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1228 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 81 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 73.94 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.74000 REMARK 3 B22 (A**2) : -1.48000 REMARK 3 B33 (A**2) : -4.50000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.25000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.490 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.288 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.249 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 19.990 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.926 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1342 ; 0.008 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 922 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1822 ; 1.328 ; 2.036 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2246 ; 0.893 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 149 ; 5.424 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 56 ;31.673 ;23.571 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 237 ;14.606 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;13.149 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 199 ; 0.067 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1400 ; 0.004 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 260 ; 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): 759 ; 0.259 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 303 ; 0.051 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1236 ; 0.514 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 583 ; 0.879 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 586 ; 1.460 ; 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 1 A 160 REMARK 3 ORIGIN FOR THE GROUP (A): 15.1924 1.1971 11.1336 REMARK 3 T TENSOR REMARK 3 T11: 0.1947 T22: 0.1586 REMARK 3 T33: 0.0586 T12: 0.0017 REMARK 3 T13: 0.0292 T23: -0.0871 REMARK 3 L TENSOR REMARK 3 L11: 7.6461 L22: 5.6809 REMARK 3 L33: 7.2563 L12: 0.4538 REMARK 3 L13: -1.2181 L23: 1.4814 REMARK 3 S TENSOR REMARK 3 S11: 0.3201 S12: 0.0935 S13: -0.1574 REMARK 3 S21: 0.2806 S22: -0.8194 S23: 0.4347 REMARK 3 S31: -0.0214 S32: -0.6911 S33: 0.4993 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 3TQ9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-SEP-11. REMARK 100 THE DEPOSITION ID IS D_1000067787. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-OCT-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7154 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.9 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04700 REMARK 200 FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.18600 REMARK 200 FOR SHELL : 3.500 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: UNLIGANDED CBU_1993 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM HEPES, PH 7.5 25% PEG 6000 , REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 18.59650 REMARK 290 SMTRY3 2 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 GLU A 144 REMARK 465 ARG A 145 REMARK 465 ASP A 146 REMARK 465 GLU A 147 REMARK 465 LYS A 148 REMARK 465 ASN A 149 REMARK 465 PRO A 150 REMARK 465 TYR A 151 REMARK 465 PRO A 152 REMARK 465 LEU A 161 REMARK 465 GLU A 162 REMARK 465 ASN A 163 REMARK 465 LEU A 164 REMARK 465 TYR A 165 REMARK 465 PHE A 166 REMARK 465 GLN A 167 REMARK 465 GLY A 168 REMARK 465 HIS A 169 REMARK 465 HIS A 170 REMARK 465 HIS A 171 REMARK 465 HIS A 172 REMARK 465 HIS A 173 REMARK 465 HIS A 174 REMARK 465 HIS A 175 REMARK 465 HIS A 176 REMARK 465 HIS A 177 REMARK 465 HIS A 178 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX A 2001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3TQ8 RELATED DB: PDB REMARK 900 RELATED ID: 3TQA RELATED DB: PDB REMARK 900 RELATED ID: 3TQB RELATED DB: PDB DBREF 3TQ9 A 1 161 UNP Q83AB2 Q83AB2_COXBU 1 161 SEQADV 3TQ9 GLU A 162 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 ASN A 163 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 LEU A 164 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 TYR A 165 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 PHE A 166 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 GLN A 167 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 GLY A 168 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 169 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 170 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 171 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 172 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 173 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 174 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 175 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 176 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 177 UNP Q83AB2 EXPRESSION TAG SEQADV 3TQ9 HIS A 178 UNP Q83AB2 EXPRESSION TAG SEQRES 1 A 178 MET ILE ILE THR LEU ILE ALA ALA MET ASP LYS ASN ARG SEQRES 2 A 178 LEU ILE GLY ARG ASN ASN GLU LEU PRO TRP HIS LEU PRO SEQRES 3 A 178 ALA ASP LEU ALA HIS PHE LYS SER ILE THR LEU GLY LYS SEQRES 4 A 178 PRO ILE VAL MET GLY ARG ARG THR PHE ASP SER ILE GLY SEQRES 5 A 178 LYS PRO LEU PRO HIS ARG ARG ASN ILE VAL ILE THR GLN SEQRES 6 A 178 GLN LYS ASN LEU ILE ILE GLU GLY CYS ASP ILE PHE TYR SEQRES 7 A 178 SER LEU ASP ASP ALA LEU SER ALA LEU THR LYS GLU PRO SEQRES 8 A 178 GLU VAL ILE ILE ILE GLY GLY ALA ARG ILE PHE LYS GLU SEQRES 9 A 178 ALA LEU PRO LYS ALA ASP LYS MET ILE LEU THR ILE ILE SEQRES 10 A 178 ASN HIS SER PHE GLU GLY ASP VAL TYR PHE PRO GLU TRP SEQRES 11 A 178 ASN ASP LYS GLU TRP LYS ILE THR SER GLN ILE LYS HIS SEQRES 12 A 178 GLU ARG ASP GLU LYS ASN PRO TYR PRO PHE GLN PHE LEU SEQRES 13 A 178 GLU LEU ARG ARG LEU GLU ASN LEU TYR PHE GLN GLY HIS SEQRES 14 A 178 HIS HIS HIS HIS HIS HIS HIS HIS HIS HET NDP A1001 48 HET MTX A2001 33 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM MTX METHOTREXATE FORMUL 2 NDP C21 H30 N7 O17 P3 FORMUL 3 MTX C20 H22 N8 O5 HELIX 1 1 LEU A 25 LEU A 37 1 13 HELIX 2 2 ARG A 45 GLY A 52 1 8 HELIX 3 3 SER A 79 LEU A 87 1 9 HELIX 4 4 GLY A 98 LEU A 106 1 9 HELIX 5 5 PRO A 107 ALA A 109 5 3 HELIX 6 6 ASN A 131 TRP A 135 5 5 SHEET 1 A 8 CYS A 74 PHE A 77 0 SHEET 2 A 8 ARG A 59 ILE A 63 1 N VAL A 62 O ASP A 75 SHEET 3 A 8 PRO A 40 GLY A 44 1 N MET A 43 O ILE A 61 SHEET 4 A 8 GLU A 92 GLY A 97 1 O ILE A 94 N VAL A 42 SHEET 5 A 8 ILE A 2 ASP A 10 1 N THR A 4 O ILE A 95 SHEET 6 A 8 LYS A 111 ILE A 117 1 O THR A 115 N MET A 9 SHEET 7 A 8 PHE A 155 ARG A 159 -1 O LEU A 156 N LEU A 114 SHEET 8 A 8 LYS A 136 ILE A 141 -1 N THR A 138 O GLU A 157 SHEET 1 B 2 LEU A 14 GLY A 16 0 SHEET 2 B 2 VAL A 125 TYR A 126 -1 O VAL A 125 N ILE A 15 CISPEP 1 GLY A 97 GLY A 98 0 7.83 SITE 1 AC1 25 ALA A 7 ALA A 8 ILE A 15 GLY A 16 SITE 2 AC1 25 ARG A 17 ASN A 19 GLU A 20 GLY A 44 SITE 3 AC1 25 ARG A 45 ARG A 46 THR A 47 SER A 50 SITE 4 AC1 25 ILE A 63 THR A 64 GLN A 65 GLN A 66 SITE 5 AC1 25 TYR A 78 ILE A 96 GLY A 98 ALA A 99 SITE 6 AC1 25 ARG A 100 ILE A 101 GLU A 104 VAL A 125 SITE 7 AC1 25 MTX A2001 SITE 1 AC2 14 ILE A 6 ALA A 7 ALA A 8 LEU A 21 SITE 2 AC2 14 ASP A 28 LEU A 29 PHE A 32 LYS A 33 SITE 3 AC2 14 SER A 50 ILE A 51 ARG A 58 ILE A 96 SITE 4 AC2 14 THR A 115 NDP A1001 CRYST1 49.250 37.193 53.003 90.00 107.66 90.00 P 1 21 1 2 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 0.020305 0.000000 0.006464 0.00000 SCALE2 0.000000 0.026887 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019800 0.00000