HEADER OXIDOREDUCTASE 02-MAR-05 2BL9 TITLE X-RAY CRYSTAL STRUCTURE OF PLASMODIUM VIVAX DIHYDROFOLATE REDUCTASE IN TITLE 2 COMPLEX WITH PYRIMETHAMINE AND ITS DERIVATIVE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE-THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DIHYDROFOLATE REDUCTASE; COMPND 5 EC: 1.5.1.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PLASMODIUM VIVAX; SOURCE 3 ORGANISM_TAXID: 5855; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DIHYDROFOLATE REDUCTASE, PLAMODIUM VIVAX, PYRIMETHAMINE, MALARIA, KEYWDS 2 DRUG RESISTANCE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR P.KONGSAEREE,P.KHONGSUK,U.LEARTSAKULPANICH,P.CHITNUMSUB, AUTHOR 2 B.TARNCHOMPOO,M.D.WALKINSHAW,Y.YUTHAVONG REVDAT 4 13-DEC-23 2BL9 1 REMARK REVDAT 3 24-FEB-09 2BL9 1 VERSN REVDAT 2 21-SEP-05 2BL9 1 JRNL REVDAT 1 07-SEP-05 2BL9 0 JRNL AUTH P.KONGSAEREE,P.KHONGSUK,U.LEARTSAKULPANICH,P.CHITNUMSUB, JRNL AUTH 2 B.TARNCHOMPOO,M.D.WALKINSHAW,Y.YUTHAVONG JRNL TITL CRYSTAL STRUCTURE OF DIHYDROFOLATE REDUCTASE FROM PLASMODIUM JRNL TITL 2 VIVAX: PYRIMETHAMINE DISPLACEMENT LINKED WITH JRNL TITL 3 MUTATION-INDUCED RESISTANCE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 102 13046 2005 JRNL REFN ISSN 0027-8424 JRNL PMID 16135570 JRNL DOI 10.1073/PNAS.0501747102 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.47 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1288468.640 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.3 REMARK 3 NUMBER OF REFLECTIONS : 24170 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 SET) : 0.208 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2392 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 69.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2650 REMARK 3 BIN R VALUE (WORKING SET) : 0.3310 REMARK 3 BIN FREE R VALUE : 0.3500 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 292 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1762 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 65 REMARK 3 SOLVENT ATOMS : 266 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.29000 REMARK 3 B22 (A**2) : 0.25000 REMARK 3 B33 (A**2) : -7.54000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.23000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.26 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.970 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.830 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.620 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.170 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.970 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 56.31 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : DHFR_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : LIGANDS.PARAM REMARK 3 PARAMETER FILE 5 : CP6.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : LIGANDS.TOP REMARK 3 TOPOLOGY FILE 5 : CP6.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2BL9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-MAR-05. REMARK 100 THE DEPOSITION ID IS D_1290023169. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-DEC-02 REMARK 200 TEMPERATURE (KELVIN) : 110.0 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU R-AXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24170 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 30.470 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 3.210 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.19 REMARK 200 R MERGE FOR SHELL (I) : 0.41000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1J3J REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30%PEG4000, 100MM TRIS-HCL, PH 7.2, REMARK 280 10%GLYCEROL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 67.14000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.87000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 67.14000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 27.87000 REMARK 290 SMTRY3 4 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: PQS 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 MET A 1 REMARK 465 SER A 85 REMARK 465 GLN A 86 REMARK 465 GLY A 87 REMARK 465 GLY A 88 REMARK 465 GLY A 89 REMARK 465 ASP A 90 REMARK 465 ASN A 91 REMARK 465 THR A 92 REMARK 465 SER A 93 REMARK 465 GLY A 94 REMARK 465 GLY A 95 REMARK 465 ASP A 96 REMARK 465 ASN A 97 REMARK 465 THR A 98 REMARK 465 HIS A 99 REMARK 465 GLY A 100 REMARK 465 GLY A 101 REMARK 465 ASP A 102 REMARK 465 ASN A 103 REMARK 465 ALA A 104 REMARK 465 ASP A 105 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 NZ LYS A 126 O HOH A 2147 2.06 REMARK 500 O HOH A 2024 O HOH A 2080 2.08 REMARK 500 O HOH A 2168 O HOH A 2170 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 CYS A 49 112.62 -25.81 REMARK 500 TYR A 168 -80.49 -90.66 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 A2001 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A2011 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH A2030 DISTANCE = 6.13 ANGSTROMS REMARK 525 HOH A2124 DISTANCE = 6.20 ANGSTROMS REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A1239 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CP6 A1240 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1J3I RELATED DB: PDB REMARK 900 WILD-TYPE PLASMODIUM FALCIPARUM DIHYDROFOLATE REDUCTASE-THYMIDYLATE REMARK 900 SYNTHASE (PFDHFR-TS) COMPLEXED WITH WR99210,NADPH, AND DUMP REMARK 900 RELATED ID: 1J3J RELATED DB: PDB REMARK 900 DOUBLE MUTANT (C59R+S108N) PLASMODIUM FALCIPARUMDIHYDROFOLATE REMARK 900 REDUCTASE-THYMIDYLATE SYNTHASE (PFDHFR-TS)COMPLEXED WITH REMARK 900 PYRIMETHAMINE, NADPH, AND DUMP REMARK 900 RELATED ID: 1J3K RELATED DB: PDB REMARK 900 QUADRUPLE MUTANT (N51I+C59R+S108N+I164L) PLASMODIUMFALCIPARUM REMARK 900 DIHYDROFOLATE REDUCTASE- THYMIDYLATE SYNTHASE(PFDHFR-TS) COMPLEXED REMARK 900 WITH WR99210, NADPH, AND DUMP REMARK 900 RELATED ID: 2BLA RELATED DB: PDB REMARK 900 SP21 DOUBLE MUTANT P. VIVAX DIHYDROFOLATE REDUCTASE IN COMPLEX WITH REMARK 900 PYRIMETHAMINE REMARK 900 RELATED ID: 2BLB RELATED DB: PDB REMARK 900 PLASMODIUM VIVAX DIHYDROFOLATE REDUCTASE IN COMPLEX WITH REMARK 900 PYRIMETHAMINE AND ITS DERIVATIVE REMARK 900 RELATED ID: 2BLC RELATED DB: PDB REMARK 900 SP21 DOUBLE MUTANT P. VIVAX DIHYDROFOLATE REDUCTASE IN COMPLEX WITH REMARK 900 DES- CHLOROPYRIMETHAMINESP21 DBREF 2BL9 A 1 237 UNP Q9U0E8 Q9U0E8_PLAVI 1 237 DBREF 2BL9 A 238 238 PDB 2BL9 2BL9 238 238 SEQADV 2BL9 ASN A 3 UNP Q9U0E8 ASP 3 CONFLICT SEQADV 2BL9 CYS A 16 UNP Q9U0E8 ARG 16 CONFLICT SEQADV 2BL9 ALA A 24 UNP Q9U0E8 GLU 24 CONFLICT SEQADV 2BL9 PRO A 33 UNP Q9U0E8 LEU 33 CONFLICT SEQADV 2BL9 GLU A 213 UNP Q9U0E8 GLN 213 CONFLICT SEQRES 1 A 238 MET GLU ASN LEU SER ASP VAL PHE ASP ILE TYR ALA ILE SEQRES 2 A 238 CYS ALA CYS CYS LYS VAL ALA PRO THR SER ALA GLY THR SEQRES 3 A 238 LYS ASN GLU PRO PHE SER PRO ARG THR PHE ARG GLY LEU SEQRES 4 A 238 GLY ASN LYS GLY THR LEU PRO TRP LYS CYS ASN SER VAL SEQRES 5 A 238 ASP MET LYS TYR PHE SER SER VAL THR THR TYR VAL ASP SEQRES 6 A 238 GLU SER LYS TYR GLU LYS LEU LYS TRP LYS ARG GLU ARG SEQRES 7 A 238 TYR LEU ARG MET GLU ALA SER GLN GLY GLY GLY ASP ASN SEQRES 8 A 238 THR SER GLY GLY ASP ASN THR HIS GLY GLY ASP ASN ALA SEQRES 9 A 238 ASP LYS LEU GLN ASN VAL VAL VAL MET GLY ARG SER SER SEQRES 10 A 238 TRP GLU SER ILE PRO LYS GLN TYR LYS PRO LEU PRO ASN SEQRES 11 A 238 ARG ILE ASN VAL VAL LEU SER LYS THR LEU THR LYS GLU SEQRES 12 A 238 ASP VAL LYS GLU LYS VAL PHE ILE ILE ASP SER ILE ASP SEQRES 13 A 238 ASP LEU LEU LEU LEU LEU LYS LYS LEU LYS TYR TYR LYS SEQRES 14 A 238 CYS PHE ILE ILE GLY GLY ALA GLN VAL TYR ARG GLU CYS SEQRES 15 A 238 LEU SER ARG ASN LEU ILE LYS GLN ILE TYR PHE THR ARG SEQRES 16 A 238 ILE ASN GLY ALA TYR PRO CYS ASP VAL PHE PHE PRO GLU SEQRES 17 A 238 PHE ASP GLU SER GLU PHE ARG VAL THR SER VAL SER GLU SEQRES 18 A 238 VAL TYR ASN SER LYS GLY THR THR LEU ASP PHE LEU VAL SEQRES 19 A 238 TYR SER LYS VAL HET NDP A1239 48 HET CP6 A1240 17 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM CP6 5-(4-CHLORO-PHENYL)-6-ETHYL-PYRIMIDINE-2,4-DIAMINE HETSYN CP6 PYRIMETHAMINE FORMUL 2 NDP C21 H30 N7 O17 P3 FORMUL 3 CP6 C12 H13 CL N4 FORMUL 4 HOH *266(H2 O) HELIX 1 1 ASN A 3 PHE A 8 1 6 HELIX 2 2 ASN A 50 TYR A 63 1 14 HELIX 3 3 ASP A 65 SER A 67 5 3 HELIX 4 4 LYS A 68 ALA A 84 1 17 HELIX 5 5 ARG A 115 SER A 120 1 6 HELIX 6 6 PRO A 122 LYS A 126 5 5 HELIX 7 7 SER A 154 LYS A 164 1 11 HELIX 8 8 GLY A 175 ARG A 185 1 11 HELIX 9 9 ASP A 210 SER A 212 5 3 SHEET 1 AA 8 PHE A 150 ILE A 152 0 SHEET 2 AA 8 ARG A 131 LEU A 136 1 O ASN A 133 N PHE A 150 SHEET 3 AA 8 ASN A 109 GLY A 114 1 O ASN A 109 N ILE A 132 SHEET 4 AA 8 CYS A 170 GLY A 174 1 O PHE A 171 N VAL A 112 SHEET 5 AA 8 ILE A 10 VAL A 19 1 O TYR A 11 N ILE A 172 SHEET 6 AA 8 GLN A 190 TYR A 200 1 O GLN A 190 N ALA A 12 SHEET 7 AA 8 THR A 228 LYS A 237 -1 O THR A 229 N ASN A 197 SHEET 8 AA 8 PHE A 214 VAL A 219 -1 O ARG A 215 N SER A 236 SHEET 1 AB 8 PHE A 150 ILE A 152 0 SHEET 2 AB 8 ARG A 131 LEU A 136 1 O ASN A 133 N PHE A 150 SHEET 3 AB 8 ASN A 109 GLY A 114 1 O ASN A 109 N ILE A 132 SHEET 4 AB 8 CYS A 170 GLY A 174 1 O PHE A 171 N VAL A 112 SHEET 5 AB 8 ILE A 10 VAL A 19 1 O TYR A 11 N ILE A 172 SHEET 6 AB 8 GLN A 190 TYR A 200 1 O GLN A 190 N ALA A 12 SHEET 7 AB 8 THR A 228 LYS A 237 -1 O THR A 229 N ASN A 197 SHEET 8 AB 8 TYR A 223 SER A 225 -1 O TYR A 223 N LEU A 230 SHEET 1 AC 2 GLY A 38 GLY A 40 0 SHEET 2 AC 2 VAL A 204 PHE A 205 -1 O VAL A 204 N LEU A 39 CISPEP 1 LYS A 126 PRO A 127 0 -1.14 CISPEP 2 GLY A 174 GLY A 175 0 0.01 SITE 1 AC1 35 CYS A 14 ALA A 15 LEU A 39 GLY A 40 SITE 2 AC1 35 ASN A 41 GLY A 43 THR A 44 LEU A 45 SITE 3 AC1 35 GLY A 114 ARG A 115 SER A 116 SER A 117 SITE 4 AC1 35 LEU A 136 SER A 137 LYS A 138 THR A 139 SITE 5 AC1 35 ASP A 153 SER A 154 ILE A 173 GLY A 174 SITE 6 AC1 35 GLY A 175 ALA A 176 GLN A 177 VAL A 178 SITE 7 AC1 35 TYR A 179 CP6 A1240 HOH A2132 HOH A2139 SITE 8 AC1 35 HOH A2209 HOH A2260 HOH A2261 HOH A2262 SITE 9 AC1 35 HOH A2263 HOH A2264 HOH A2265 SITE 1 AC2 12 ILE A 13 CYS A 14 ALA A 15 ASP A 53 SITE 2 AC2 12 PHE A 57 SER A 117 SER A 120 ILE A 121 SITE 3 AC2 12 ILE A 173 TYR A 179 THR A 194 NDP A1239 CRYST1 134.280 55.740 45.720 90.00 107.09 90.00 C 1 2 1 4 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 0.007447 0.000000 0.002290 0.00000 SCALE2 0.000000 0.017940 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022883 0.00000