HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 23-JUL-12 4G8Z TITLE PCDHFR K37S/F69N DOUBLE MUTANT TMP NADPH TERNARY COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: X; COMPND 4 FRAGMENT: DIHYDROFOLATE REDUCTASE; COMPND 5 EC: 1.5.1.3; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PNEUMOCYSTIS JIROVECII; SOURCE 3 ORGANISM_TAXID: 42068; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ROSETTA GAMI B (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-SUMO KEYWDS MUTANT PCDHFR INHIBITOR COMPLEX, TMP/NADPH LIGANDS, K37S AND F69N KEYWDS 2 MUTATIONS, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR V.CODY REVDAT 2 13-SEP-23 4G8Z 1 REMARK SEQADV REVDAT 1 29-MAY-13 4G8Z 0 JRNL AUTH V.CODY,J.PACE,S.F.QUEENER,O.O.ADAIR,A.GANGJEE JRNL TITL KINETIC AND STRUCTURAL ANALYSIS FOR POTENT ANTIFOLATE JRNL TITL 2 INHIBITION OF PNEUMOCYSTIS JIROVECII, PNEUMOCYSTIS CARINII, JRNL TITL 3 AND HUMAN DIHYDROFOLATE REDUCTASES AND THEIR ACTIVE-SITE JRNL TITL 4 VARIANTS. JRNL REF ANTIMICROB.AGENTS CHEMOTHER. V. 57 2669 2013 JRNL REFN ISSN 0066-4804 JRNL PMID 23545530 JRNL DOI 10.1128/AAC.00172-13 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0088 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.04 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 17616 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) : 0.261 REMARK 3 R VALUE (WORKING SET) : 0.259 REMARK 3 FREE R VALUE : 0.316 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 953 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.80 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1287 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.20 REMARK 3 BIN R VALUE (WORKING SET) : 0.4110 REMARK 3 BIN FREE R VALUE SET COUNT : 69 REMARK 3 BIN FREE R VALUE : 0.4300 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1649 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 69 REMARK 3 SOLVENT ATOMS : 26 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.57 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.04000 REMARK 3 B22 (A**2) : 0.05000 REMARK 3 B33 (A**2) : -0.09000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.01000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.184 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.176 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.168 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.366 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.922 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.894 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1723 ; 0.024 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2336 ; 2.299 ; 1.997 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 194 ; 8.212 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 74 ;34.184 ;23.108 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 303 ;18.586 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;22.303 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 253 ; 0.151 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1263 ; 0.011 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 976 ; 1.323 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1587 ; 2.197 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 747 ; 3.072 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 749 ; 4.156 ; 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 4G8Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-AUG-12. REMARK 100 THE DEPOSITION ID IS D_1000073888. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-FEB-11 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.975 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18585 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 37.040 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.21000 REMARK 200 R SYM (I) : 0.19000 REMARK 200 FOR THE DATA SET : 4.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.84 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.32000 REMARK 200 R SYM FOR SHELL (I) : 1.50000 REMARK 200 FOR SHELL : 1.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1DYR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 33-36% PEG 2K, 50 MM MES, PH 6.0, 100 REMARK 280 MM KCL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 287K 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 21.39150 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 300 REMARK: SINGLE POLYPEPTIDE CHAIN 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: X 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 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ALA X 84 REMARK 475 ALA X 85 REMARK 475 ALA X 86 REMARK 475 ALA X 87 REMARK 475 ALA X 88 REMARK 475 ALA X 89 REMARK 475 ALA X 90 REMARK 475 ALA X 91 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 SER X 22 N - CA - CB ANGL. DEV. = 11.3 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 GLN X 4 -76.87 -89.95 REMARK 500 ARG X 21 108.45 -166.27 REMARK 500 SER X 22 27.66 87.15 REMARK 500 PRO X 26 9.86 -65.41 REMARK 500 SER X 48 -33.08 -140.44 REMARK 500 ALA X 85 -136.11 101.69 REMARK 500 ALA X 90 53.15 -90.69 REMARK 500 ALA X 91 -13.79 144.92 REMARK 500 TYR X 109 60.67 -116.17 REMARK 500 ASN X 118 -89.42 -99.77 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 ALA X 84 ALA X 85 146.93 REMARK 500 ALA X 85 ALA X 86 148.28 REMARK 500 ALA X 91 ILE X 92 -144.60 REMARK 500 GLY X 124 GLY X 125 -131.92 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 TOP X 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP X 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DYR RELATED DB: PDB REMARK 900 PCDHFR-TMP NADPH DBREF 4G8Z X 3 206 UNP P16184 DYR_PNECA 3 206 SEQADV 4G8Z SER X 37 UNP P16184 LYS 37 ENGINEERED MUTATION SEQADV 4G8Z ASN X 69 UNP P16184 PHE 69 ENGINEERED MUTATION SEQADV 4G8Z ALA X 84 UNP P16184 GLU 84 CONFLICT SEQADV 4G8Z ALA X 85 UNP P16184 SER 85 CONFLICT SEQADV 4G8Z ALA X 86 UNP P16184 LEU 86 CONFLICT SEQADV 4G8Z ALA X 87 UNP P16184 ASP 87 CONFLICT SEQADV 4G8Z ALA X 88 UNP P16184 LEU 88 CONFLICT SEQADV 4G8Z ALA X 89 UNP P16184 GLY 89 CONFLICT SEQADV 4G8Z ALA X 90 UNP P16184 ASN 90 CONFLICT SEQADV 4G8Z ALA X 91 UNP P16184 GLY 91 CONFLICT SEQRES 1 X 204 GLN GLN LYS SER LEU THR LEU ILE VAL ALA LEU THR THR SEQRES 2 X 204 SER TYR GLY ILE GLY ARG SER ASN SER LEU PRO TRP LYS SEQRES 3 X 204 LEU LYS LYS GLU ILE SER TYR PHE SER ARG VAL THR SER SEQRES 4 X 204 PHE VAL PRO THR PHE ASP SER PHE GLU SER MET ASN VAL SEQRES 5 X 204 VAL LEU MET GLY ARG LYS THR TRP GLU SER ILE PRO LEU SEQRES 6 X 204 GLN ASN ARG PRO LEU LYS GLY ARG ILE ASN VAL VAL ILE SEQRES 7 X 204 THR ARG ASN ALA ALA ALA ALA ALA ALA ALA ALA ILE HIS SEQRES 8 X 204 SER ALA LYS SER LEU ASP HIS ALA LEU GLU LEU LEU TYR SEQRES 9 X 204 ARG THR TYR GLY SER GLU SER SER VAL GLN ILE ASN ARG SEQRES 10 X 204 ILE PHE VAL ILE GLY GLY ALA GLN LEU TYR LYS ALA ALA SEQRES 11 X 204 MET ASP HIS PRO LYS LEU ASP ARG ILE MET ALA THR ILE SEQRES 12 X 204 ILE TYR LYS ASP ILE HIS CYS ASP VAL PHE PHE PRO LEU SEQRES 13 X 204 LYS PHE ARG ASP LYS GLU TRP SER SER VAL TRP LYS LYS SEQRES 14 X 204 GLU LYS HIS SER ASP LEU GLU SER TRP VAL GLY THR LYS SEQRES 15 X 204 VAL PRO HIS GLY LYS ILE ASN GLU ASP GLY PHE ASP TYR SEQRES 16 X 204 GLU PHE GLU MET TRP THR ARG ASP LEU HET TOP X 301 21 HET NDP X 302 48 HETNAM TOP TRIMETHOPRIM HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE FORMUL 2 TOP C14 H18 N4 O3 FORMUL 3 NDP C21 H30 N7 O17 P3 FORMUL 4 HOH *26(H2 O) HELIX 1 1 LEU X 29 PHE X 42 1 14 HELIX 2 2 ARG X 59 ILE X 65 1 7 HELIX 3 3 PRO X 66 ARG X 70 5 5 HELIX 4 4 SER X 97 TYR X 109 1 13 HELIX 5 5 GLY X 125 HIS X 135 1 11 HELIX 6 6 ASP X 162 SER X 166 5 5 HELIX 7 7 LYS X 173 GLY X 182 1 10 SHEET 1 A 8 HIS X 93 ALA X 95 0 SHEET 2 A 8 ILE X 76 ILE X 80 1 N VAL X 79 O ALA X 95 SHEET 3 A 8 SER X 51 GLY X 58 1 N VAL X 55 O ILE X 76 SHEET 4 A 8 GLN X 116 GLY X 124 1 O PHE X 121 N VAL X 54 SHEET 5 A 8 LEU X 7 THR X 14 1 N THR X 8 O VAL X 122 SHEET 6 A 8 LEU X 138 ILE X 146 1 O THR X 144 N VAL X 11 SHEET 7 A 8 PHE X 195 THR X 203 -1 O GLU X 198 N ILE X 145 SHEET 8 A 8 LYS X 170 LYS X 171 -1 N LYS X 170 O THR X 203 SHEET 1 B 8 HIS X 93 ALA X 95 0 SHEET 2 B 8 ILE X 76 ILE X 80 1 N VAL X 79 O ALA X 95 SHEET 3 B 8 SER X 51 GLY X 58 1 N VAL X 55 O ILE X 76 SHEET 4 B 8 GLN X 116 GLY X 124 1 O PHE X 121 N VAL X 54 SHEET 5 B 8 LEU X 7 THR X 14 1 N THR X 8 O VAL X 122 SHEET 6 B 8 LEU X 138 ILE X 146 1 O THR X 144 N VAL X 11 SHEET 7 B 8 PHE X 195 THR X 203 -1 O GLU X 198 N ILE X 145 SHEET 8 B 8 ILE X 190 GLU X 192 -1 N ILE X 190 O TYR X 197 SHEET 1 C 2 GLY X 18 GLY X 20 0 SHEET 2 C 2 VAL X 154 PHE X 155 -1 O VAL X 154 N ILE X 19 CISPEP 1 ARG X 70 PRO X 71 0 -0.70 SITE 1 AC1 12 ILE X 10 VAL X 11 ALA X 12 LEU X 25 SITE 2 AC1 12 GLU X 32 PHE X 36 SER X 64 PRO X 66 SITE 3 AC1 12 ILE X 123 TYR X 129 THR X 144 NDP X 302 SITE 1 AC2 25 VAL X 11 ALA X 12 ILE X 19 GLY X 20 SITE 2 AC2 25 ASN X 23 SER X 24 LEU X 25 GLY X 58 SITE 3 AC2 25 ARG X 59 LYS X 60 THR X 61 ILE X 80 SITE 4 AC2 25 THR X 81 ARG X 82 LYS X 96 ILE X 123 SITE 5 AC2 25 GLY X 124 GLY X 125 ALA X 126 GLN X 127 SITE 6 AC2 25 LEU X 128 TYR X 129 ALA X 131 TOP X 301 SITE 7 AC2 25 HOH X 406 CRYST1 37.157 42.783 59.172 90.00 94.78 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 0.026913 0.000000 0.002250 0.00000 SCALE2 0.000000 0.023374 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016959 0.00000