HEADER OXIDOREDUCTASE 11-SEP-00 1E7W TITLE ONE ACTIVE SITE, TWO MODES OF REDUCTION CORRELATE THE MECHANISM OF TITLE 2 LEISHMANIA PTERIDINE REDUCTASE WITH PTERIN METABOLISM AND ANTIFOLATE TITLE 3 DRUG RESISTANCE IN TRPANOSOMES COMPND MOL_ID: 1; COMPND 2 MOLECULE: PTERIDINE REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.1.1.253; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEISHMANIA MAJOR; SOURCE 3 ORGANISM_TAXID: 5664; SOURCE 4 STRAIN: CC-1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET15B KEYWDS DIHYDROFOLATE REDUCTASE, PTERIDINE REDUCTASE, SHORTCHAIN KEYWDS 2 DEHYDROGENASE, METHOTREXATE RESISTANCE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR D.G.GOURLEY,W.N.HUNTER REVDAT 5 08-MAY-24 1E7W 1 REMARK REVDAT 4 21-APR-09 1E7W 1 HEADER KEYWDS REVDAT 3 24-FEB-09 1E7W 1 VERSN REVDAT 2 17-JAN-02 1E7W 1 JRNL REVDAT 1 06-SEP-01 1E7W 0 JRNL AUTH D.G.GOURLEY,A.SCHUTTELKOPF,G.LEONARD,J.LUBA,L.HARDY, JRNL AUTH 2 S.BEVERLEY,W.N.HUNTER JRNL TITL PTERIDINE REDUCTASE MECHANISM CORRELATES PTERIN METABOLISM JRNL TITL 2 WITH DRUG RESISTANCE IN TRYPANOSOMATID PARASITES. JRNL REF NAT.STRUCT.BIOL. V. 8 521 2001 JRNL REFN ISSN 1072-8368 JRNL PMID 11373620 JRNL DOI 10.1038/88584 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 56168 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3917 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 174 REMARK 3 SOLVENT ATOMS : 476 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.50 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.122 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.127 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.091 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.827 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.015 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.032 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.041 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.003 ; 0.010 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.222 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.182 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.280 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.144 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 2.629 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 14.776; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 27.615; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.799 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.564 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.229 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.375 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1E7W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-SEP-00. REMARK 100 THE DEPOSITION ID IS D_1290005293. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.40 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.87, 0.886, 0.97950, 0.97960 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 59475 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.45000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 24.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.40 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 40.15600 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.40000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.15600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.40000 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 300 REMARK: BIOMOLECULE 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: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLY A -3 REMARK 465 SER A -2 REMARK 465 HIS A -1 REMARK 465 MET A 1 REMARK 465 THR A 2 REMARK 465 ALA A 3 REMARK 465 PRO A 4 REMARK 465 GLY A 76 REMARK 465 ALA A 77 REMARK 465 ASP A 78 REMARK 465 GLY A 79 REMARK 465 ARG A 120 REMARK 465 ASN A 121 REMARK 465 ASP A 122 REMARK 465 GLU A 123 REMARK 465 ASP A 124 REMARK 465 GLY A 125 REMARK 465 HIS A 126 REMARK 465 GLU A 127 REMARK 465 PRO A 128 REMARK 465 CYS A 129 REMARK 465 VAL A 130 REMARK 465 GLY A 131 REMARK 465 ASP A 132 REMARK 465 GLY B -3 REMARK 465 SER B -2 REMARK 465 HIS B -1 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 ALA B 3 REMARK 465 PRO B 4 REMARK 465 THR B 5 REMARK 465 PRO B 73 REMARK 465 VAL B 74 REMARK 465 SER B 75 REMARK 465 GLY B 76 REMARK 465 ALA B 77 REMARK 465 ASP B 78 REMARK 465 GLY B 79 REMARK 465 SER B 80 REMARK 465 ALA B 81 REMARK 465 ASN B 121 REMARK 465 ASP B 122 REMARK 465 GLU B 123 REMARK 465 ASP B 124 REMARK 465 GLY B 125 REMARK 465 HIS B 126 REMARK 465 GLU B 127 REMARK 465 PRO B 128 REMARK 465 CYS B 129 REMARK 465 VAL B 130 REMARK 465 ASP B 232 REMARK 465 MET B 233 REMARK 465 PRO B 234 REMARK 465 PRO B 235 REMARK 465 ALA B 236 REMARK 465 VAL B 237 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 133 CG CD NE CZ NH1 NH2 REMARK 480 GLU A 137 CG CD OE1 OE2 REMARK 480 VAL A 230 CG1 CG2 REMARK 480 ARG B 120 CG CD NE CZ NH1 NH2 REMARK 480 ASP B 132 CG OD1 OD2 REMARK 480 GLU B 134 CG CD OE1 OE2 REMARK 480 MET B 136 CG SD CE REMARK 480 LYS B 168 CG CD CE NZ 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 OH TYR B 191 O2 MTX B 301 2.07 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 A 2133 O HOH B 2131 2555 1.91 REMARK 500 O HOH B 2148 O HOH B 2168 2555 2.16 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 17 CD - NE - CZ ANGL. DEV. = 8.8 DEGREES REMARK 500 ARG A 17 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 88 NE - CZ - NH2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TYR A 152 CB - CG - CD1 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 206 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 GLU A 211 OE1 - CD - OE2 ANGL. DEV. = -8.9 DEGREES REMARK 500 ARG A 218 CD - NE - CZ ANGL. DEV. = 12.1 DEGREES REMARK 500 ARG A 218 NH1 - CZ - NH2 ANGL. DEV. = 7.7 DEGREES REMARK 500 ARG A 218 NE - CZ - NH2 ANGL. DEV. = -5.0 DEGREES REMARK 500 ASP A 231 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG A 242 CB - CA - C ANGL. DEV. = 12.5 DEGREES REMARK 500 ARG A 242 CD - NE - CZ ANGL. DEV. = 11.6 DEGREES REMARK 500 ARG A 242 NE - CZ - NH1 ANGL. DEV. = 7.5 DEGREES REMARK 500 ARG A 242 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG A 287 NE - CZ - NH2 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG B 17 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG B 54 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG B 55 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG B 102 CD - NE - CZ ANGL. DEV. = 8.6 DEGREES REMARK 500 GLU B 137 CB - CA - C ANGL. DEV. = 14.7 DEGREES REMARK 500 ARG B 170 NE - CZ - NH1 ANGL. DEV. = -3.6 DEGREES REMARK 500 ASP B 181 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES REMARK 500 GLU B 202 OE1 - CD - OE2 ANGL. DEV. = -7.9 DEGREES REMARK 500 ARG B 206 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG B 287 NE - CZ - NH1 ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG B 287 NE - CZ - NH2 ANGL. DEV. = 8.6 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 ARG A 17 -132.09 49.40 REMARK 500 HIS A 38 -70.20 -117.24 REMARK 500 SER A 40 56.69 -91.47 REMARK 500 VAL A 74 32.09 -99.18 REMARK 500 ALA A 148 -52.32 -145.05 REMARK 500 ASN A 173 70.54 -156.96 REMARK 500 VAL A 180 -146.33 -103.78 REMARK 500 TYR A 248 -9.09 75.70 REMARK 500 ARG B 17 -138.93 50.47 REMARK 500 SER B 40 55.45 -93.79 REMARK 500 ALA B 148 -51.75 -140.35 REMARK 500 ASN B 173 61.72 -156.46 REMARK 500 VAL B 180 -151.25 -101.57 REMARK 500 VAL B 228 54.08 39.23 REMARK 500 TYR B 248 -9.88 74.96 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 A2100 DISTANCE = 5.90 ANGSTROMS 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 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1289 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1290 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP B 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 1289 REMARK 999 REMARK 999 SEQUENCE REMARK 999 EXTRA GLY-SER-HIS SEQUENCE EXTENSION ON N-TERMINAL REMARK 999 DISCREPANCIES WITH SEQUENCE IN DATA BASE AS ERROR REMARK 999 REVEALLED IN ORIGINAL SEQUENCE DBREF 1E7W A -3 -1 PDB 1E7W 1E7W -3 -1 DBREF 1E7W A 1 288 UNP Q9U1F8 Q9U1F8 1 288 DBREF 1E7W B -3 -1 PDB 1E7W 1E7W -3 -1 DBREF 1E7W B 1 288 UNP Q9U1F8 Q9U1F8 1 288 SEQRES 1 A 291 GLY SER HIS MET THR ALA PRO THR VAL PRO VAL ALA LEU SEQRES 2 A 291 VAL THR GLY ALA ALA LYS ARG LEU GLY ARG SER ILE ALA SEQRES 3 A 291 GLU GLY LEU HIS ALA GLU GLY TYR ALA VAL CYS LEU HIS SEQRES 4 A 291 TYR HIS ARG SER ALA ALA GLU ALA ASN ALA LEU SER ALA SEQRES 5 A 291 THR LEU ASN ALA ARG ARG PRO ASN SER ALA ILE THR VAL SEQRES 6 A 291 GLN ALA ASP LEU SER ASN VAL ALA THR ALA PRO VAL SER SEQRES 7 A 291 GLY ALA ASP GLY SER ALA PRO VAL THR LEU PHE THR ARG SEQRES 8 A 291 CYS ALA GLU LEU VAL ALA ALA CYS TYR THR HIS TRP GLY SEQRES 9 A 291 ARG CYS ASP VAL LEU VAL ASN ASN ALA SER SER PHE TYR SEQRES 10 A 291 PRO THR PRO LEU LEU ARG ASN ASP GLU ASP GLY HIS GLU SEQRES 11 A 291 PRO CYS VAL GLY ASP ARG GLU ALA MET GLU THR ALA THR SEQRES 12 A 291 ALA ASP LEU PHE GLY SER ASN ALA ILE ALA PRO TYR PHE SEQRES 13 A 291 LEU ILE LYS ALA PHE ALA HIS ARG VAL ALA GLY THR PRO SEQRES 14 A 291 ALA LYS HIS ARG GLY THR ASN TYR SER ILE ILE ASN MET SEQRES 15 A 291 VAL ASP ALA MET THR ASN GLN PRO LEU LEU GLY TYR THR SEQRES 16 A 291 ILE TYR THR MET ALA LYS GLY ALA LEU GLU GLY LEU THR SEQRES 17 A 291 ARG SER ALA ALA LEU GLU LEU ALA PRO LEU GLN ILE ARG SEQRES 18 A 291 VAL ASN GLY VAL GLY PRO GLY LEU SER VAL LEU VAL ASP SEQRES 19 A 291 ASP MET PRO PRO ALA VAL TRP GLU GLY HIS ARG SER LYS SEQRES 20 A 291 VAL PRO LEU TYR GLN ARG ASP SER SER ALA ALA GLU VAL SEQRES 21 A 291 SER ASP VAL VAL ILE PHE LEU CYS SER SER LYS ALA LYS SEQRES 22 A 291 TYR ILE THR GLY THR CYS VAL LYS VAL ASP GLY GLY TYR SEQRES 23 A 291 SER LEU THR ARG ALA SEQRES 1 B 291 GLY SER HIS MET THR ALA PRO THR VAL PRO VAL ALA LEU SEQRES 2 B 291 VAL THR GLY ALA ALA LYS ARG LEU GLY ARG SER ILE ALA SEQRES 3 B 291 GLU GLY LEU HIS ALA GLU GLY TYR ALA VAL CYS LEU HIS SEQRES 4 B 291 TYR HIS ARG SER ALA ALA GLU ALA ASN ALA LEU SER ALA SEQRES 5 B 291 THR LEU ASN ALA ARG ARG PRO ASN SER ALA ILE THR VAL SEQRES 6 B 291 GLN ALA ASP LEU SER ASN VAL ALA THR ALA PRO VAL SER SEQRES 7 B 291 GLY ALA ASP GLY SER ALA PRO VAL THR LEU PHE THR ARG SEQRES 8 B 291 CYS ALA GLU LEU VAL ALA ALA CYS TYR THR HIS TRP GLY SEQRES 9 B 291 ARG CYS ASP VAL LEU VAL ASN ASN ALA SER SER PHE TYR SEQRES 10 B 291 PRO THR PRO LEU LEU ARG ASN ASP GLU ASP GLY HIS GLU SEQRES 11 B 291 PRO CYS VAL GLY ASP ARG GLU ALA MET GLU THR ALA THR SEQRES 12 B 291 ALA ASP LEU PHE GLY SER ASN ALA ILE ALA PRO TYR PHE SEQRES 13 B 291 LEU ILE LYS ALA PHE ALA HIS ARG VAL ALA GLY THR PRO SEQRES 14 B 291 ALA LYS HIS ARG GLY THR ASN TYR SER ILE ILE ASN MET SEQRES 15 B 291 VAL ASP ALA MET THR ASN GLN PRO LEU LEU GLY TYR THR SEQRES 16 B 291 ILE TYR THR MET ALA LYS GLY ALA LEU GLU GLY LEU THR SEQRES 17 B 291 ARG SER ALA ALA LEU GLU LEU ALA PRO LEU GLN ILE ARG SEQRES 18 B 291 VAL ASN GLY VAL GLY PRO GLY LEU SER VAL LEU VAL ASP SEQRES 19 B 291 ASP MET PRO PRO ALA VAL TRP GLU GLY HIS ARG SER LYS SEQRES 20 B 291 VAL PRO LEU TYR GLN ARG ASP SER SER ALA ALA GLU VAL SEQRES 21 B 291 SER ASP VAL VAL ILE PHE LEU CYS SER SER LYS ALA LYS SEQRES 22 B 291 TYR ILE THR GLY THR CYS VAL LYS VAL ASP GLY GLY TYR SEQRES 23 B 291 SER LEU THR ARG ALA HET NDP A 300 48 HET MTX A 301 33 HET EDO A1289 4 HET EDO A1290 4 HET NDP B 300 48 HET MTX B 301 33 HET EDO B1289 4 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM MTX METHOTREXATE HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 3 NDP 2(C21 H30 N7 O17 P3) FORMUL 4 MTX 2(C20 H22 N8 O5) FORMUL 5 EDO 3(C2 H6 O2) FORMUL 10 HOH *476(H2 O) HELIX 1 1 LYS A 16 GLU A 29 1 14 HELIX 2 2 SER A 40 ARG A 55 1 16 HELIX 3 3 THR A 84 GLY A 101 1 18 HELIX 4 4 ARG A 133 ALA A 148 1 16 HELIX 5 5 ALA A 148 GLY A 164 1 17 HELIX 6 6 PRO A 166 ARG A 170 5 5 HELIX 7 7 TYR A 191 ALA A 213 1 23 HELIX 8 8 LEU A 229 MET A 233 5 5 HELIX 9 9 PRO A 234 SER A 243 1 10 HELIX 10 10 SER A 253 SER A 266 1 14 HELIX 11 11 SER A 267 LYS A 270 5 4 HELIX 12 12 GLY A 282 THR A 286 5 5 HELIX 13 13 LYS B 16 GLU B 29 1 14 HELIX 14 14 SER B 40 ARG B 55 1 16 HELIX 15 15 THR B 84 GLY B 101 1 18 HELIX 16 16 GLY B 131 ALA B 148 1 18 HELIX 17 17 ALA B 148 THR B 165 1 18 HELIX 18 18 PRO B 166 ARG B 170 5 5 HELIX 19 19 TYR B 191 ALA B 213 1 23 HELIX 20 20 TRP B 238 SER B 243 1 6 HELIX 21 21 ALA B 254 SER B 266 1 13 HELIX 22 22 SER B 267 LYS B 270 5 4 HELIX 23 23 GLY B 282 THR B 286 5 5 SHEET 1 A 7 CYS A 276 VAL A 279 0 SHEET 2 A 7 ILE A 217 PRO A 224 1 N GLY A 221 O VAL A 277 SHEET 3 A 7 TYR A 174 ASP A 181 1 N TYR A 174 O ARG A 218 SHEET 4 A 7 VAL A 105 ASN A 108 1 N LEU A 106 O SER A 175 SHEET 5 A 7 VAL A 8 VAL A 11 1 N LEU A 10 O VAL A 105 SHEET 6 A 7 ALA A 32 TYR A 37 1 N ALA A 32 O ALA A 9 SHEET 7 A 7 ALA A 59 GLN A 63 1 N ILE A 60 O VAL A 33 SHEET 1 B 7 CYS B 276 VAL B 279 0 SHEET 2 B 7 ILE B 217 PRO B 224 1 N GLY B 221 O VAL B 277 SHEET 3 B 7 TYR B 174 ASP B 181 1 N TYR B 174 O ARG B 218 SHEET 4 B 7 VAL B 105 ASN B 108 1 N LEU B 106 O SER B 175 SHEET 5 B 7 VAL B 8 VAL B 11 1 N LEU B 10 O VAL B 105 SHEET 6 B 7 ALA B 32 TYR B 37 1 N ALA B 32 O ALA B 9 SHEET 7 B 7 ALA B 59 GLN B 63 1 N ILE B 60 O VAL B 33 SITE 1 AC1 32 ARG A 17 LEU A 18 HIS A 36 TYR A 37 SITE 2 AC1 32 HIS A 38 ARG A 39 SER A 40 ALA A 64 SITE 3 AC1 32 ASP A 65 LEU A 66 ASN A 109 ALA A 110 SITE 4 AC1 32 SER A 111 ASP A 142 MET A 179 VAL A 180 SITE 5 AC1 32 ASP A 181 TYR A 194 LYS A 198 PRO A 224 SITE 6 AC1 32 GLY A 225 LEU A 226 SER A 227 MTX A 301 SITE 7 AC1 32 HOH A2005 HOH A2008 HOH A2131 HOH A2253 SITE 8 AC1 32 HOH A2254 HOH A2255 HOH A2256 HOH A2257 SITE 1 AC2 20 ARG A 17 SER A 111 PHE A 113 PRO A 115 SITE 2 AC2 20 LEU A 188 TYR A 191 TYR A 194 LEU A 226 SITE 3 AC2 20 LEU A 229 ASP A 232 MET A 233 NDP A 300 SITE 4 AC2 20 EDO A1290 HOH A2192 HOH A2198 HOH A2258 SITE 5 AC2 20 HOH A2259 HOH A2260 HOH A2261 HOH A2263 SITE 1 AC3 7 GLY A 199 GLU A 202 ARG A 206 HOH A2264 SITE 2 AC3 7 GLY B 199 GLU B 202 ARG B 206 SITE 1 AC4 8 PHE A 113 ASP A 181 TYR A 194 MTX A 301 SITE 2 AC4 8 HOH A2190 HOH A2265 ARG B 287 HOH B2198 SITE 1 AC5 31 ARG B 17 LEU B 18 HIS B 36 TYR B 37 SITE 2 AC5 31 HIS B 38 ARG B 39 SER B 40 ALA B 64 SITE 3 AC5 31 ASP B 65 LEU B 66 ASN B 109 ALA B 110 SITE 4 AC5 31 SER B 111 ASP B 142 MET B 179 VAL B 180 SITE 5 AC5 31 ASP B 181 TYR B 194 LYS B 198 PRO B 224 SITE 6 AC5 31 GLY B 225 SER B 227 MTX B 301 HOH B2006 SITE 7 AC5 31 HOH B2135 HOH B2203 HOH B2204 HOH B2205 SITE 8 AC5 31 HOH B2206 HOH B2207 HOH B2208 SITE 1 AC6 15 ARG B 17 SER B 111 PHE B 113 PRO B 115 SITE 2 AC6 15 LEU B 188 LEU B 189 TYR B 191 TYR B 194 SITE 3 AC6 15 LEU B 226 HIS B 241 NDP B 300 EDO B1289 SITE 4 AC6 15 HOH B2130 HOH B2209 HOH B2210 SITE 1 AC7 5 ARG A 287 ASP B 181 MTX B 301 HOH B2134 SITE 2 AC7 5 HOH B2150 CRYST1 80.312 80.800 90.747 90.00 90.00 90.00 P 21 21 2 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 0.012451 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012376 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011020 0.00000 MTRIX1 1 -0.493000 0.870000 0.000000 0.02054 1 MTRIX2 1 0.870000 0.493000 -0.005000 0.04453 1 MTRIX3 1 -0.004000 -0.002000 -1.000000 41.83470 1