HEADER OXIDOREDUCTASE 15-MAY-25 9ONI TITLE CRYSTAL STRUCTURE OF DIHYDROFOLATE REDUCTASE (DHFR) FROM THE FILARIAL TITLE 2 NEMATODE W. BANCROFTI IN COMPLEX WITH NADPH AND METHOTREXATE (MTX) 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: WUCHERERIA BANCROFTI; SOURCE 3 ORGANISM_TAXID: 6293; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DIHYDROFOLATE REDUCTASES, NADPH, ANTIFOLATE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.M.FREY,S.KWARTENG,N.M.GOODEY REVDAT 2 03-SEP-25 9ONI 1 JRNL REVDAT 1 27-AUG-25 9ONI 0 JRNL AUTH S.KWARTENG,J.WILHELM,M.SALAMA,M.SALAMA,K.HOLLANDER, JRNL AUTH 2 K.S.ANDERSON,N.M.GOODEY,K.M.FREY JRNL TITL A VIRTUAL SCREENING STRATEGY TO REPURPOSE ANTIFOLATE JRNL TITL 2 COMPOUNDS AS W.BANCROFTI DHFR INHIBITORS. JRNL REF BIOORG.MED.CHEM.LETT. V. 129 30370 2025 JRNL REFN ESSN 1464-3405 JRNL PMID 40812516 JRNL DOI 10.1016/J.BMCL.2025.130370 REMARK 2 REMARK 2 RESOLUTION. 2.44 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.1_5286 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.44 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.41 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 86.9 REMARK 3 NUMBER OF REFLECTIONS : 13348 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.229 REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.110 REMARK 3 FREE R VALUE TEST SET COUNT : 682 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 34.4100 - 4.1700 0.99 3063 161 0.1869 0.2294 REMARK 3 2 4.1700 - 3.3100 1.00 2893 162 0.2022 0.2754 REMARK 3 3 3.3100 - 2.9000 1.00 2889 141 0.2907 0.3757 REMARK 3 4 2.9000 - 2.6300 0.98 2801 166 0.3161 0.3678 REMARK 3 5 2.6300 - 2.4400 0.36 1020 52 0.3206 0.4094 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.430 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.560 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 46.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.005 1530 REMARK 3 ANGLE : 0.782 2076 REMARK 3 CHIRALITY : 0.048 221 REMARK 3 PLANARITY : 0.006 260 REMARK 3 DIHEDRAL : 17.921 553 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9ONI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAY-25. REMARK 100 THE DEPOSITION ID IS D_1000295931. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-APR-24 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 : NSLS-II REMARK 200 BEAMLINE : 17-ID-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15368 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.440 REMARK 200 RESOLUTION RANGE LOW (A) : 34.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.9 REMARK 200 DATA REDUNDANCY : 1.100 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : 0.06400 REMARK 200 FOR THE DATA SET : 10.7700 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) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.40500 REMARK 200 R SYM FOR SHELL (I) : 0.57300 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 72.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRISODIUM CITRATE, PH 5.4-6.4, REMARK 280 25% W/V PEG4000, 200 MM AMMONIUM SULFATE, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z REMARK 290 10555 -Y,-X,-Z+1/2 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 38.09900 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 38.09900 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 38.09900 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 38.09900 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 38.09900 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 38.09900 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 TOTAL BURIED SURFACE AREA: 2360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8710 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 730 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 749 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 750 LIES ON A SPECIAL POSITION. 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 -9 REMARK 465 ALA A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 ALA A -1 REMARK 465 MET A 0 REMARK 465 ALA A 1 REMARK 465 THR A 2 REMARK 465 ARG A 3 REMARK 465 THR A 4 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 LYS A 65 CD CE NZ REMARK 470 LYS A 70 CG CD CE NZ REMARK 470 LYS A 79 CE NZ REMARK 470 GLU A 87 CG CD OE1 OE2 REMARK 470 GLU A 106 CG CD OE1 OE2 REMARK 470 GLU A 121 CD OE1 OE2 REMARK 470 MET A 164 CE 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 ASP A 14 -168.20 -101.64 REMARK 500 HIS A 130 -69.15 -121.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 741 DISTANCE = 6.33 ANGSTROMS REMARK 525 HOH A 742 DISTANCE = 6.57 ANGSTROMS REMARK 525 HOH A 743 DISTANCE = 7.45 ANGSTROMS REMARK 525 HOH A 744 DISTANCE = 9.27 ANGSTROMS REMARK 525 HOH A 745 DISTANCE = 10.60 ANGSTROMS REMARK 525 HOH A 746 DISTANCE = 10.95 ANGSTROMS REMARK 525 HOH A 747 DISTANCE = 11.45 ANGSTROMS REMARK 525 HOH A 748 DISTANCE = 11.99 ANGSTROMS REMARK 525 HOH A 749 DISTANCE = 12.32 ANGSTROMS REMARK 525 HOH A 750 DISTANCE = 13.45 ANGSTROMS REMARK 525 HOH A 751 DISTANCE = 17.45 ANGSTROMS REMARK 525 HOH A 752 DISTANCE = 25.65 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 8E4F RELATED DB: PDB REMARK 900 RELATED ID: 9MLM RELATED DB: PDB REMARK 900 RELATED ID: 9MLT RELATED DB: PDB DBREF1 9ONI A 2 182 UNP A0AAF5PZP7_WUCBA DBREF2 9ONI A A0AAF5PZP7 2 182 SEQADV 9ONI MET A -9 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI ALA A -8 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI HIS A -7 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI HIS A -6 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI HIS A -5 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI HIS A -4 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI HIS A -3 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI HIS A -2 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI ALA A -1 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI MET A 0 UNP A0AAF5PZP EXPRESSION TAG SEQADV 9ONI ALA A 1 UNP A0AAF5PZP EXPRESSION TAG SEQRES 1 A 192 MET ALA HIS HIS HIS HIS HIS HIS ALA MET ALA THR ARG SEQRES 2 A 192 THR LEU HIS MET ASN LEU ILE VAL ALA VAL ASP GLY CYS SEQRES 3 A 192 GLY GLY ILE GLY ARG ASN GLY GLY MET PRO TRP PHE LEU SEQRES 4 A 192 PRO ALA GLU MET ALA ARG PHE ALA LYS LEU THR THR LEU SEQRES 5 A 192 THR THR ASP SER GLY LYS LYS ASN ALA VAL ILE MET GLY SEQRES 6 A 192 ARG LYS VAL TRP GLU SER ILE PRO PRO LYS PHE ARG PRO SEQRES 7 A 192 LEU LYS SER ARG PHE ASN VAL VAL LEU SER LYS LYS MET SEQRES 8 A 192 LYS GLU GLU SER ASN GLU ASN VAL VAL VAL ALA ARG SER SEQRES 9 A 192 PHE GLU SER ALA VAL SER LEU LEU GLN ASP MET GLU ASN SEQRES 10 A 192 ILE GLU THR ILE TRP ASN ILE GLY GLY ARG GLU VAL TYR SEQRES 11 A 192 GLU LEU GLY LEU ASN SER PRO PHE LEU HIS GLN MET TYR SEQRES 12 A 192 ILE THR ARG VAL GLU GLY ASP PHE LEU ALA ASP VAL PHE SEQRES 13 A 192 PHE PRO ARG VAL ASP TYR GLY ARG PHE ILE LYS SER THR SEQRES 14 A 192 GLU SER GLU GLU MET HIS GLU GLU LYS GLY ILE LYS TYR SEQRES 15 A 192 ARG TYR GLU ILE TYR THR ILE LYS THR ASP HET NAP A 601 48 HET MTX A 602 33 HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM MTX METHOTREXATE HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 2 NAP C21 H28 N7 O17 P3 FORMUL 3 MTX C20 H22 N8 O5 FORMUL 4 HOH *52(H2 O) HELIX 1 AA1 LEU A 29 LEU A 42 1 14 HELIX 2 AA2 ARG A 56 ILE A 62 1 7 HELIX 3 AA3 SER A 94 MET A 105 1 12 HELIX 4 AA4 GLY A 116 ASN A 125 1 10 HELIX 5 AA5 ASP A 151 GLY A 153 5 3 SHEET 1 AA1 8 VAL A 89 ALA A 92 0 SHEET 2 AA1 8 ARG A 72 LEU A 77 1 N VAL A 76 O VAL A 90 SHEET 3 AA1 8 LYS A 49 GLY A 55 1 N MET A 54 O LEU A 77 SHEET 4 AA1 8 ILE A 108 ASN A 113 1 O TRP A 112 N ALA A 51 SHEET 5 AA1 8 HIS A 6 VAL A 13 1 N HIS A 6 O ILE A 111 SHEET 6 AA1 8 LEU A 129 VAL A 137 1 O VAL A 137 N VAL A 13 SHEET 7 AA1 8 ILE A 170 ILE A 179 -1 O ILE A 179 N HIS A 130 SHEET 8 AA1 8 PHE A 155 LYS A 157 -1 N ILE A 156 O THR A 178 SHEET 1 AA2 8 VAL A 89 ALA A 92 0 SHEET 2 AA2 8 ARG A 72 LEU A 77 1 N VAL A 76 O VAL A 90 SHEET 3 AA2 8 LYS A 49 GLY A 55 1 N MET A 54 O LEU A 77 SHEET 4 AA2 8 ILE A 108 ASN A 113 1 O TRP A 112 N ALA A 51 SHEET 5 AA2 8 HIS A 6 VAL A 13 1 N HIS A 6 O ILE A 111 SHEET 6 AA2 8 LEU A 129 VAL A 137 1 O VAL A 137 N VAL A 13 SHEET 7 AA2 8 ILE A 170 ILE A 179 -1 O ILE A 179 N HIS A 130 SHEET 8 AA2 8 MET A 164 GLU A 167 -1 N HIS A 165 O TYR A 172 SHEET 1 AA3 2 GLY A 18 GLY A 20 0 SHEET 2 AA3 2 VAL A 145 PHE A 146 -1 O VAL A 145 N ILE A 19 CISPEP 1 ARG A 67 PRO A 68 0 2.80 CRYST1 133.586 133.586 76.198 90.00 90.00 120.00 P 63 2 2 12 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 0.007486 0.004322 0.000000 0.00000 SCALE2 0.000000 0.008644 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013124 0.00000 CONECT 1414 1415 1416 1417 1436 CONECT 1415 1414 CONECT 1416 1414 CONECT 1417 1414 1418 CONECT 1418 1417 1419 CONECT 1419 1418 1420 1421 CONECT 1420 1419 1425 CONECT 1421 1419 1422 1423 CONECT 1422 1421 CONECT 1423 1421 1424 1425 CONECT 1424 1423 1458 CONECT 1425 1420 1423 1426 CONECT 1426 1425 1427 1435 CONECT 1427 1426 1428 CONECT 1428 1427 1429 CONECT 1429 1428 1430 1435 CONECT 1430 1429 1431 1432 CONECT 1431 1430 CONECT 1432 1430 1433 CONECT 1433 1432 1434 CONECT 1434 1433 1435 CONECT 1435 1426 1429 1434 CONECT 1436 1414 1437 CONECT 1437 1436 1438 1439 1440 CONECT 1438 1437 CONECT 1439 1437 CONECT 1440 1437 1441 CONECT 1441 1440 1442 CONECT 1442 1441 1443 1444 CONECT 1443 1442 1448 CONECT 1444 1442 1445 1446 CONECT 1445 1444 CONECT 1446 1444 1447 1448 CONECT 1447 1446 CONECT 1448 1443 1446 1449 CONECT 1449 1448 1450 1457 CONECT 1450 1449 1451 CONECT 1451 1450 1452 1455 CONECT 1452 1451 1453 1454 CONECT 1453 1452 CONECT 1454 1452 CONECT 1455 1451 1456 CONECT 1456 1455 1457 CONECT 1457 1449 1456 CONECT 1458 1424 1459 1460 1461 CONECT 1459 1458 CONECT 1460 1458 CONECT 1461 1458 CONECT 1462 1463 1473 CONECT 1463 1462 1464 1465 CONECT 1464 1463 CONECT 1465 1463 1466 CONECT 1466 1465 1467 1468 CONECT 1467 1466 CONECT 1468 1466 1469 1473 CONECT 1469 1468 1470 CONECT 1470 1469 1471 1474 CONECT 1471 1470 1472 CONECT 1472 1471 1473 CONECT 1473 1462 1468 1472 CONECT 1474 1470 1475 CONECT 1475 1474 1476 1480 CONECT 1476 1475 CONECT 1477 1478 1482 1483 CONECT 1478 1477 1479 CONECT 1479 1478 1480 CONECT 1480 1475 1479 1481 CONECT 1481 1480 1482 CONECT 1482 1477 1481 CONECT 1483 1477 1484 1485 CONECT 1484 1483 CONECT 1485 1483 1486 CONECT 1486 1485 1487 1490 CONECT 1487 1486 1488 1489 CONECT 1488 1487 CONECT 1489 1487 CONECT 1490 1486 1491 CONECT 1491 1490 1492 CONECT 1492 1491 1493 1494 CONECT 1493 1492 CONECT 1494 1492 MASTER 321 0 2 5 18 0 0 6 1545 1 81 15 END