HEADER OXIDOREDUCTASE 24-MAR-10 2X9V TITLE HIGH RESOLUTION STRUCTURE OF TBPTR1 WITH TRIMETREXATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PTERIDINE REDUCTASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: PTR1; COMPND 5 EC: 1.5.1.33; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI BRUCEI; SOURCE 3 ORGANISM_TAXID: 5702; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET15B_TBPTR1 KEYWDS OXIDOREDUCTASE, SHORT CHAIN DEHYDROGENASE EXPDTA X-RAY DIFFRACTION AUTHOR A.DAWSON,L.B.TULLOCH,K.L.BARRACK,W.N.HUNTER REVDAT 3 11-APR-12 2X9V 1 JRNL REMARK VERSN REVDAT 2 01-DEC-10 2X9V 1 JRNL REVDAT 1 23-JUN-10 2X9V 0 JRNL AUTH A.DAWSON,L.B.TULLOCH,K.L.BARRACK,W.N.HUNTER JRNL TITL HIGH-RESOLUTION STRUCTURES OF TRYPANOSOMA BRUCEI JRNL TITL 2 PTERIDINE REDUCTASE LIGAND COMPLEXES INFORM ON JRNL TITL 3 THE PLACEMENT OF NEW MOLECULAR ENTITIES IN THE JRNL TITL 4 ACTIVE SITE OF A POTENTIAL DRUG TARGET JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 66 1334 2010 JRNL REFN ISSN 0907-4449 JRNL PMID 21123874 JRNL DOI 10.1107/S0907444910040886 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.05 REMARK 3 DATA CUTOFF (SIGMA(F)) : NONE REMARK 3 COMPLETENESS FOR RANGE (%) : 98.71 REMARK 3 NUMBER OF REFLECTIONS : 226950 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) : 0.12259 REMARK 3 R VALUE (WORKING SET) : 0.12125 REMARK 3 FREE R VALUE : 0.14784 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.0 REMARK 3 FREE R VALUE TEST SET COUNT : 12059 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) : 1.300 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.334 REMARK 3 REFLECTION IN BIN (WORKING SET) : 16687 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.27 REMARK 3 BIN R VALUE (WORKING SET) : 0.190 REMARK 3 BIN FREE R VALUE SET COUNT : 892 REMARK 3 BIN FREE R VALUE : 0.210 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7622 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 324 REMARK 3 SOLVENT ATOMS : 1202 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.96 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.426 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.77 REMARK 3 B22 (A**2) : 1.12 REMARK 3 B33 (A**2) : -0.31 REMARK 3 B12 (A**2) : 0.00 REMARK 3 B13 (A**2) : 0.04 REMARK 3 B23 (A**2) : 0.00 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.041 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.039 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.023 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.175 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.978 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.970 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 8074 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 5208 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 11013 ; 1.405 ; 2.012 REMARK 3 BOND ANGLES OTHERS (DEGREES): 12699 ; 1.272 ; 3.002 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 990 ; 5.784 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 316 ;34.910 ;24.430 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1324 ;12.126 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 50 ;14.904 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1333 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 8761 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 1481 ; 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): 5028 ; 1.142 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 2024 ; 0.332 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 8118 ; 1.849 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3046 ; 2.589 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2894 ; 3.872 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 13282 ; 0.988 ; 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 : 1.20 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 REMARK 3 RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY REMARK 4 REMARK 4 2X9V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-MAR-10. REMARK 100 THE PDBE ID CODE IS EBI-43404. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-07 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 : ESRF REMARK 200 BEAMLINE : ID14-4 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD (QUANTUM 210) REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 239044 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.30 REMARK 200 RESOLUTION RANGE LOW (A) : 31.05 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.0 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 5.6 REMARK 200 R MERGE (I) : 0.09 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.90 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.5 REMARK 200 R MERGE FOR SHELL (I) : 0.40 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.60 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: REFINEMENT STARTED DIRECTLY USING PDB 2C7V REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.1 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN BUFFER CONTAINED 20MM REMARK 280 TRIS PH7.5. RESERVOIR CONTAINED 2.5M SODIUM ACETATE, 50MM REMARK 280 SODIUM CITRATE PH4.5. 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 45.35500 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 24740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -149.1 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, B, D 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 -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 GLY A 105 REMARK 465 ASP A 106 REMARK 465 HIS A 107 REMARK 465 GLU A 108 REMARK 465 ASP A 109 REMARK 465 ASN A 110 REMARK 465 SER A 111 REMARK 465 ASN A 112 REMARK 465 LYS A 143 REMARK 465 GLY A 144 REMARK 465 THR A 145 REMARK 465 ASN A 146 REMARK 465 PRO A 147 REMARK 465 ASN A 148 REMARK 465 CYS A 149 REMARK 465 THR A 150 REMARK 465 SER A 151 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 GLY B 105 REMARK 465 ASP B 106 REMARK 465 HIS B 107 REMARK 465 GLU B 108 REMARK 465 ASP B 109 REMARK 465 ASN B 110 REMARK 465 SER B 111 REMARK 465 ASN B 112 REMARK 465 GLY B 144 REMARK 465 THR B 145 REMARK 465 ASN B 146 REMARK 465 PRO B 147 REMARK 465 ASN B 148 REMARK 465 CYS B 149 REMARK 465 THR B 150 REMARK 465 SER B 151 REMARK 465 MET C -19 REMARK 465 GLY C -18 REMARK 465 SER C -17 REMARK 465 SER C -16 REMARK 465 HIS C -15 REMARK 465 HIS C -14 REMARK 465 HIS C -13 REMARK 465 HIS C -12 REMARK 465 HIS C -11 REMARK 465 HIS C -10 REMARK 465 SER C -9 REMARK 465 SER C -8 REMARK 465 GLY C -7 REMARK 465 LEU C -6 REMARK 465 VAL C -5 REMARK 465 PRO C -4 REMARK 465 ARG C -3 REMARK 465 GLY C -2 REMARK 465 SER C -1 REMARK 465 HIS C 0 REMARK 465 MET C 1 REMARK 465 GLY C 105 REMARK 465 ASP C 106 REMARK 465 HIS C 107 REMARK 465 GLU C 108 REMARK 465 ASP C 109 REMARK 465 ASN C 110 REMARK 465 SER C 111 REMARK 465 ASN C 112 REMARK 465 GLY C 113 REMARK 465 LYS C 143 REMARK 465 GLY C 144 REMARK 465 THR C 145 REMARK 465 ASN C 146 REMARK 465 PRO C 147 REMARK 465 ASN C 148 REMARK 465 CYS C 149 REMARK 465 THR C 150 REMARK 465 SER C 151 REMARK 465 MET D -19 REMARK 465 GLY D -18 REMARK 465 SER D -17 REMARK 465 SER D -16 REMARK 465 HIS D -15 REMARK 465 HIS D -14 REMARK 465 HIS D -13 REMARK 465 HIS D -12 REMARK 465 HIS D -11 REMARK 465 HIS D -10 REMARK 465 SER D -9 REMARK 465 SER D -8 REMARK 465 GLY D -7 REMARK 465 LEU D -6 REMARK 465 VAL D -5 REMARK 465 PRO D -4 REMARK 465 ARG D -3 REMARK 465 GLY D -2 REMARK 465 SER D -1 REMARK 465 HIS D 0 REMARK 465 MET D 1 REMARK 465 GLY D 105 REMARK 465 ASP D 106 REMARK 465 HIS D 107 REMARK 465 GLU D 108 REMARK 465 ASP D 109 REMARK 465 ASN D 110 REMARK 465 SER D 111 REMARK 465 ASN D 112 REMARK 465 LYS D 143 REMARK 465 GLY D 144 REMARK 465 THR D 145 REMARK 465 ASN D 146 REMARK 465 PRO D 147 REMARK 465 ASN D 148 REMARK 465 CYS D 149 REMARK 465 THR D 150 REMARK 465 SER D 151 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 O HOH A 2066 O HOH A 2176 2.07 REMARK 500 O HOH B 2095 O HOH B 2107 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH D 2124 O HOH A 2152 1455 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 ARG A 14 -137.67 57.27 REMARK 500 HIS A 35 -74.21 -114.34 REMARK 500 ALA A 128 -53.93 -138.72 REMARK 500 CYS A 160 -147.12 -100.72 REMARK 500 SER A 207 -138.81 -118.41 REMARK 500 ARG B 14 -133.42 57.60 REMARK 500 HIS B 35 -72.38 -113.48 REMARK 500 ALA B 128 -55.36 -139.22 REMARK 500 CYS B 160 -148.31 -101.57 REMARK 500 PHE B 171 42.87 -109.56 REMARK 500 SER B 207 -136.72 -115.35 REMARK 500 ARG C 14 -134.30 58.60 REMARK 500 HIS C 35 -73.33 -112.02 REMARK 500 ALA C 128 -53.81 -137.32 REMARK 500 CYS C 160 -146.50 -98.24 REMARK 500 ARG D 14 -134.83 59.30 REMARK 500 HIS D 35 -73.30 -113.53 REMARK 500 ALA D 128 -56.87 -138.40 REMARK 500 CYS D 160 -146.85 -99.08 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 NAP A1269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP B1269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP C1269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP D1269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ A1270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ B1270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ C1270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ D1270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B1271 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT C1271 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A1271 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B1272 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT D1271 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT C1272 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2X9N RELATED DB: PDB REMARK 900 HIGH RESOLUTION STRUCTURE OF TBPTR1 IN REMARK 900 COMPLEX WITH CYROMAZINE REMARK 900 RELATED ID: 2VZ0 RELATED DB: PDB REMARK 900 PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA REMARK 900 BRUCEI IN COMPLEX WITH NADP AND REMARK 900 DDD00066641 REMARK 900 RELATED ID: 2C7V RELATED DB: PDB REMARK 900 STRUCTURE OF TRYPANOSOMA BRUCEI PTERIDINE REMARK 900 REDUCTASE (PTR1) IN TERNARY COMPLEX WITH REMARK 900 COFACTOR AND THE ANTIFOLATE METHOTREXATE REMARK 900 RELATED ID: 2WD7 RELATED DB: PDB REMARK 900 PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA REMARK 900 BRUCEI IN COMPLEX WITH NADP AND REMARK 900 DDD00066750 REMARK 900 RELATED ID: 2WD8 RELATED DB: PDB REMARK 900 PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA REMARK 900 BRUCEI IN COMPLEX WITH NADP AND REMARK 900 DDD00071204 REMARK 999 REMARK 999 SEQUENCE REMARK 999 ADDITIONAL N-TERMINAL RESIDUES FORM HIS-TAG FOR PURIFICATION DBREF 2X9V A 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 2X9V B 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 2X9V C 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 2X9V D 1 268 UNP O76290 O76290_TRYBB 1 268 SEQADV 2X9V MET A -19 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY A -18 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER A -17 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER A -16 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A -15 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A -14 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A -13 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A -12 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A -11 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A -10 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER A -9 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER A -8 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY A -7 UNP O76290 EXPRESSION TAG SEQADV 2X9V LEU A -6 UNP O76290 EXPRESSION TAG SEQADV 2X9V VAL A -5 UNP O76290 EXPRESSION TAG SEQADV 2X9V PRO A -4 UNP O76290 EXPRESSION TAG SEQADV 2X9V ARG A -3 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY A -2 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER A -1 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS A 0 UNP O76290 EXPRESSION TAG SEQADV 2X9V MET B -19 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY B -18 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER B -17 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER B -16 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B -15 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B -14 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B -13 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B -12 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B -11 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B -10 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER B -9 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER B -8 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY B -7 UNP O76290 EXPRESSION TAG SEQADV 2X9V LEU B -6 UNP O76290 EXPRESSION TAG SEQADV 2X9V VAL B -5 UNP O76290 EXPRESSION TAG SEQADV 2X9V PRO B -4 UNP O76290 EXPRESSION TAG SEQADV 2X9V ARG B -3 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY B -2 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER B -1 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS B 0 UNP O76290 EXPRESSION TAG SEQADV 2X9V MET C -19 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY C -18 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER C -17 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER C -16 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C -15 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C -14 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C -13 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C -12 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C -11 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C -10 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER C -9 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER C -8 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY C -7 UNP O76290 EXPRESSION TAG SEQADV 2X9V LEU C -6 UNP O76290 EXPRESSION TAG SEQADV 2X9V VAL C -5 UNP O76290 EXPRESSION TAG SEQADV 2X9V PRO C -4 UNP O76290 EXPRESSION TAG SEQADV 2X9V ARG C -3 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY C -2 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER C -1 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS C 0 UNP O76290 EXPRESSION TAG SEQADV 2X9V MET D -19 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY D -18 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER D -17 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER D -16 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D -15 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D -14 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D -13 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D -12 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D -11 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D -10 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER D -9 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER D -8 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY D -7 UNP O76290 EXPRESSION TAG SEQADV 2X9V LEU D -6 UNP O76290 EXPRESSION TAG SEQADV 2X9V VAL D -5 UNP O76290 EXPRESSION TAG SEQADV 2X9V PRO D -4 UNP O76290 EXPRESSION TAG SEQADV 2X9V ARG D -3 UNP O76290 EXPRESSION TAG SEQADV 2X9V GLY D -2 UNP O76290 EXPRESSION TAG SEQADV 2X9V SER D -1 UNP O76290 EXPRESSION TAG SEQADV 2X9V HIS D 0 UNP O76290 EXPRESSION TAG SEQRES 1 A 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 A 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 A 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 A 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 A 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 A 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 A 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 A 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 A 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 A 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 A 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 A 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 A 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 A 288 MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN SEQRES 16 A 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 A 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 A 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 A 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 A 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 A 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 A 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 A 288 HIS ALA SEQRES 1 B 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 B 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 B 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 B 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 B 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 B 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 B 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 B 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 B 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 B 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 B 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 B 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 B 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 B 288 MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN SEQRES 16 B 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 B 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 B 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 B 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 B 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 B 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 B 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 B 288 HIS ALA SEQRES 1 C 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 C 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 C 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 C 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 C 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 C 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 C 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 C 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 C 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 C 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 C 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 C 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 C 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 C 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 C 288 MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN SEQRES 16 C 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 C 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 C 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 C 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 C 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 C 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 C 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 C 288 HIS ALA SEQRES 1 D 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 D 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 D 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 D 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 D 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 D 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 D 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 D 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 D 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 D 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 D 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 D 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 D 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 D 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 D 288 MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN SEQRES 16 D 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 D 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 D 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 D 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 D 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 D 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 D 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 D 288 HIS ALA HET NAP A1269 48 HET NAP B1269 48 HET NAP C1269 48 HET NAP D1269 48 HET TMQ A1270 27 HET TMQ B1270 27 HET TMQ C1270 27 HET TMQ D1270 27 HET ACT B1271 4 HET ACT C1271 4 HET ACT A1271 4 HET ACT B1272 4 HET ACT D1271 4 HET ACT C1272 4 HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NAP PHOSPHATE HETNAM TMQ TRIMETREXATE HETNAM ACT ACETATE ION HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 5 NAP 4(C21 H28 N7 O17 P3) FORMUL 6 TMQ 4(C19 H24 N5 O3 1+) FORMUL 7 ACT 6(C2 H3 O2 1-) FORMUL 8 HOH *1202(H2 O) HELIX 1 1 LYS A 13 THR A 26 1 14 HELIX 2 2 SER A 37 ARG A 52 1 16 HELIX 3 3 VAL A 68 GLY A 85 1 18 HELIX 4 4 THR A 115 ALA A 128 1 14 HELIX 5 5 ALA A 128 GLN A 142 1 15 HELIX 6 6 PHE A 171 ALA A 193 1 23 HELIX 7 7 GLY A 214 ARG A 223 1 10 HELIX 8 8 SER A 233 SER A 246 1 14 HELIX 9 9 GLY A 247 GLN A 250 5 4 HELIX 10 10 GLY A 262 VAL A 266 5 5 HELIX 11 11 LYS B 13 GLY B 27 1 15 HELIX 12 12 SER B 37 ARG B 52 1 16 HELIX 13 13 VAL B 68 GLY B 85 1 18 HELIX 14 14 THR B 115 ALA B 128 1 14 HELIX 15 15 ALA B 128 GLN B 142 1 15 HELIX 16 16 PHE B 171 ALA B 193 1 23 HELIX 17 17 GLY B 214 ARG B 223 1 10 HELIX 18 18 SER B 233 SER B 246 1 14 HELIX 19 19 GLY B 247 GLN B 250 5 4 HELIX 20 20 GLY B 262 VAL B 266 5 5 HELIX 21 21 LYS C 13 GLY C 27 1 15 HELIX 22 22 SER C 37 ARG C 52 1 16 HELIX 23 23 VAL C 68 GLY C 85 1 18 HELIX 24 24 THR C 115 ALA C 128 1 14 HELIX 25 25 ALA C 128 ARG C 141 1 14 HELIX 26 26 PHE C 171 ALA C 193 1 23 HELIX 27 27 PRO C 194 GLY C 196 5 3 HELIX 28 28 GLY C 214 LYS C 224 1 11 HELIX 29 29 SER C 233 SER C 246 1 14 HELIX 30 30 GLY C 247 GLN C 250 5 4 HELIX 31 31 GLY C 262 VAL C 266 5 5 HELIX 32 32 LYS D 13 GLY D 27 1 15 HELIX 33 33 SER D 37 ARG D 52 1 16 HELIX 34 34 VAL D 68 GLY D 85 1 18 HELIX 35 35 THR D 115 ALA D 128 1 14 HELIX 36 36 ALA D 128 GLN D 142 1 15 HELIX 37 37 PHE D 171 ALA D 193 1 23 HELIX 38 38 GLY D 214 ARG D 223 1 10 HELIX 39 39 SER D 233 SER D 246 1 14 HELIX 40 40 GLY D 247 GLN D 250 5 4 HELIX 41 41 GLY D 262 VAL D 266 5 5 SHEET 1 AA 7 ALA A 56 GLN A 60 0 SHEET 2 AA 7 ARG A 29 TYR A 34 1 O VAL A 30 N VAL A 57 SHEET 3 AA 7 ALA A 5 VAL A 8 1 O ALA A 6 N VAL A 31 SHEET 4 AA 7 VAL A 89 ASN A 92 1 O VAL A 89 N VAL A 7 SHEET 5 AA 7 LEU A 154 LEU A 159 1 O SER A 155 N LEU A 90 SHEET 6 AA 7 ILE A 197 PRO A 204 1 O ARG A 198 N ILE A 156 SHEET 7 AA 7 ILE A 256 VAL A 259 1 O ILE A 257 N ALA A 203 SHEET 1 BA 7 ALA B 56 GLN B 60 0 SHEET 2 BA 7 ARG B 29 TYR B 34 1 O VAL B 30 N VAL B 57 SHEET 3 BA 7 ALA B 5 VAL B 8 1 O ALA B 6 N VAL B 31 SHEET 4 BA 7 VAL B 89 ASN B 92 1 O VAL B 89 N VAL B 7 SHEET 5 BA 7 LEU B 154 LEU B 159 1 O SER B 155 N LEU B 90 SHEET 6 BA 7 ILE B 197 PRO B 204 1 O ARG B 198 N ILE B 156 SHEET 7 BA 7 ILE B 256 VAL B 259 1 O ILE B 257 N ALA B 203 SHEET 1 CA 7 ALA C 56 GLN C 60 0 SHEET 2 CA 7 ARG C 29 TYR C 34 1 O VAL C 30 N VAL C 57 SHEET 3 CA 7 ALA C 5 VAL C 8 1 O ALA C 6 N VAL C 31 SHEET 4 CA 7 VAL C 89 ASN C 92 1 O VAL C 89 N VAL C 7 SHEET 5 CA 7 SER C 155 LEU C 159 1 O SER C 155 N LEU C 90 SHEET 6 CA 7 ARG C 198 PRO C 204 1 O ARG C 198 N ILE C 156 SHEET 7 CA 7 ILE C 256 VAL C 259 1 O ILE C 257 N ALA C 203 SHEET 1 DA 7 ALA D 56 GLN D 60 0 SHEET 2 DA 7 ARG D 29 TYR D 34 1 O VAL D 30 N VAL D 57 SHEET 3 DA 7 ALA D 5 VAL D 8 1 O ALA D 6 N VAL D 31 SHEET 4 DA 7 VAL D 89 ASN D 92 1 O VAL D 89 N VAL D 7 SHEET 5 DA 7 LEU D 154 LEU D 159 1 O SER D 155 N LEU D 90 SHEET 6 DA 7 ILE D 197 PRO D 204 1 O ARG D 198 N ILE D 156 SHEET 7 DA 7 ILE D 256 VAL D 259 1 O ILE D 257 N ALA D 203 SITE 1 AC1 35 LYS A 13 ARG A 14 ILE A 15 TYR A 34 SITE 2 AC1 35 HIS A 35 ASN A 36 SER A 37 ALA A 61 SITE 3 AC1 35 ASP A 62 LEU A 63 THR A 64 ASN A 93 SITE 4 AC1 35 ALA A 94 SER A 95 THR A 126 LEU A 159 SITE 5 AC1 35 CYS A 160 TYR A 174 LYS A 178 PRO A 204 SITE 6 AC1 35 GLY A 205 VAL A 206 SER A 207 LEU A 208 SITE 7 AC1 35 TMQ A1270 HOH A2171 HOH A2225 HOH A2300 SITE 8 AC1 35 HOH A2302 HOH A2303 HOH A2304 HOH A2305 SITE 9 AC1 35 HOH A2306 HOH A2307 HOH A2308 SITE 1 AC2 33 ARG B 14 ILE B 15 TYR B 34 HIS B 35 SITE 2 AC2 33 ASN B 36 SER B 37 ALA B 61 ASP B 62 SITE 3 AC2 33 LEU B 63 THR B 64 ASN B 93 ALA B 94 SITE 4 AC2 33 SER B 95 THR B 126 LEU B 159 CYS B 160 SITE 5 AC2 33 TYR B 174 LYS B 178 PRO B 204 GLY B 205 SITE 6 AC2 33 SER B 207 LEU B 208 TMQ B1270 HOH B2178 SITE 7 AC2 33 HOH B2227 HOH B2310 HOH B2311 HOH B2313 SITE 8 AC2 33 HOH B2314 HOH B2316 HOH B2317 HOH B2318 SITE 9 AC2 33 HOH B2319 SITE 1 AC3 34 ARG C 14 ILE C 15 TYR C 34 HIS C 35 SITE 2 AC3 34 ASN C 36 SER C 37 ALA C 61 ASP C 62 SITE 3 AC3 34 LEU C 63 THR C 64 ASN C 93 ALA C 94 SITE 4 AC3 34 SER C 95 THR C 126 LEU C 159 CYS C 160 SITE 5 AC3 34 ASP C 161 TYR C 174 LYS C 178 PRO C 204 SITE 6 AC3 34 GLY C 205 VAL C 206 SER C 207 TMQ C1270 SITE 7 AC3 34 HOH C2015 HOH C2156 HOH C2205 HOH C2270 SITE 8 AC3 34 HOH C2271 HOH C2272 HOH C2273 HOH C2276 SITE 9 AC3 34 HOH C2277 HOH C2278 SITE 1 AC4 33 ARG D 14 ILE D 15 TYR D 34 HIS D 35 SITE 2 AC4 33 ASN D 36 SER D 37 ALA D 61 ASP D 62 SITE 3 AC4 33 LEU D 63 THR D 64 ASN D 93 ALA D 94 SITE 4 AC4 33 SER D 95 THR D 126 LEU D 159 CYS D 160 SITE 5 AC4 33 ASP D 161 TYR D 174 LYS D 178 PRO D 204 SITE 6 AC4 33 GLY D 205 VAL D 206 SER D 207 TMQ D1270 SITE 7 AC4 33 HOH D2154 HOH D2202 HOH D2269 HOH D2270 SITE 8 AC4 33 HOH D2271 HOH D2272 HOH D2273 HOH D2274 SITE 9 AC4 33 HOH D2275 SITE 1 AC5 13 ARG A 14 SER A 95 PHE A 97 ASP A 161 SITE 2 AC5 13 CYS A 168 TYR A 174 LEU A 208 PRO A 210 SITE 3 AC5 13 MET A 213 TRP A 221 NAP A1269 HOH A2309 SITE 4 AC5 13 HOH A2310 SITE 1 AC6 9 ARG B 14 SER B 95 PHE B 97 CYS B 168 SITE 2 AC6 9 TYR B 174 LEU B 208 PRO B 210 NAP B1269 SITE 3 AC6 9 HOH B2320 SITE 1 AC7 9 SER C 95 PHE C 97 ASP C 161 TYR C 174 SITE 2 AC7 9 LEU C 209 PRO C 210 MET C 213 NAP C1269 SITE 3 AC7 9 HOH C2279 SITE 1 AC8 8 SER D 95 PHE D 97 ASP D 161 TYR D 174 SITE 2 AC8 8 LEU D 209 MET D 213 NAP D1269 HOH D2276 SITE 1 AC9 7 ALA B 212 MET B 213 GLY B 214 GLU B 215 SITE 2 AC9 7 HOH B2246 HOH B2321 HOH B2322 SITE 1 BC1 6 GLN C 186 GLY C 254 ILE C 256 HOH C2280 SITE 2 BC1 6 HOH C2281 LYS D 258 SITE 1 BC2 8 GLN A 186 GLY A 254 ILE A 256 HOH A2311 SITE 2 BC2 8 HOH A2312 HOH A2313 LYS B 258 HOH B2299 SITE 1 BC3 9 LYS A 258 HOH A2290 GLN B 186 GLY B 254 SITE 2 BC3 9 ILE B 256 HOH B2323 HOH B2324 HOH B2325 SITE 3 BC3 9 HOH B2326 SITE 1 BC4 7 LYS C 258 GLN D 186 GLY D 254 ILE D 256 SITE 2 BC4 7 HOH D2278 HOH D2279 HOH D2280 SITE 1 BC5 5 TYR B 34 VAL B 58 VAL C 57 VAL C 58 SITE 2 BC5 5 HOH C2283 CRYST1 74.560 90.710 82.460 90.00 115.69 90.00 P 1 21 1 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 0.013412 0.000000 0.006452 0.00000 SCALE2 0.000000 0.011024 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013457 0.00000