1BD4 - Header Asymmetric Unit

HEADER TRANSFERASE 12-MAY-98 1BD4

TITLE UPRT-URACIL COMPLEX

COMPND MOL_ID: 1; COMPND 2 MOLECULE: URACIL PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: D, C, B, A; COMPND 4 SYNONYM: UPRTASE; COMPND 5 EC: 2.4.2.9; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TOXOPLASMA GONDII; SOURCE 3 ORGANISM_TAXID: 5811; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS TRANSFERASE, UPRT, URACIL, GLYCOSYLTRANSFERASE, COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR M.A.SCHUMACHER,D.CARTER,D.SCOTT,D.ROOS,B.ULLMAN,R.G.BRENNAN

REVDAT 2 24-FEB-09 1BD4 1 VERSN REVDAT 1 18-MAY-99 1BD4 0

JRNL AUTH M.A.SCHUMACHER,D.CARTER,D.M.SCOTT,D.S.ROOS, JRNL AUTH 2 B.ULLMAN,R.G.BRENNAN JRNL TITL CRYSTAL STRUCTURES OF TOXOPLASMA GONDII URACIL JRNL TITL 2 PHOSPHORIBOSYLTRANSFERASE REVEAL THE ATOMIC BASIS JRNL TITL 3 OF PYRIMIDINE DISCRIMINATION AND PRODRUG BINDING. JRNL REF EMBO J. V. 17 3219 1998 JRNL REFN ISSN 0261-4189 JRNL PMID 9628859 JRNL DOI 10.1093/EMBOJ/17.12.3219

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 3 NUMBER OF REFLECTIONS : 53303 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : NULL REMARK 3 NUCLEIC ACID ATOMS : NULL REMARK 3 HETEROGEN ATOMS : NULL REMARK 3 SOLVENT ATOMS : 241 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.011 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 1.903 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THERE IS A TETRAMER (CHAINS A, B, C, REMARK 3 D) IN THE ASYMMETRIC UNIT. THERE ARE FOUR IN THE ASYMMETRIC REMARK 3 UNIT FOR SPACE GROUP P21. P21 SPACE GROUP CAN BE TRANSFORMED REMARK 3 TO C2221. SOLVED AS P21 FOR TECHNICAL REASONS. THE N-TERMINAL REMARK 3 MET IS CLEAVED OFF IN ESCHERICHIA COLI. RESIDUES 2 THROUGH 20 REMARK 3 ARE DISORDERED AND NOT INCLUDED. STRUCTURE INCLUDES RESIDUES REMARK 3 21 TO 244 OF EACH MONOMER. THERE IS A TETRAMER (CHAINS A, B, REMARK 3 C, D) IN THE ASYMMETRIC UNIT. THERE ARE FOUR IN THE ASYMMETRIC REMARK 3 UNIT FOR SPACE GROUP P21. P21 SPACE GROUP CAN BE TRANSFORMED REMARK 3 TO C2221. SOLVED AS P21 FOR TECHNICAL REASONS.

REMARK 4 REMARK 4 1BD4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-97 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL 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 : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 51.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL

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 70.88500 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: 15350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -83.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, C, B, 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 ALA D 2 REMARK 465 GLN D 3 REMARK 465 VAL D 4 REMARK 465 PRO D 5 REMARK 465 ALA D 6 REMARK 465 SER D 7 REMARK 465 GLY D 8 REMARK 465 LYS D 9 REMARK 465 LEU D 10 REMARK 465 LEU D 11 REMARK 465 VAL D 12 REMARK 465 ASP D 13 REMARK 465 PRO D 14 REMARK 465 ARG D 15 REMARK 465 TYR D 16 REMARK 465 SER D 17 REMARK 465 THR D 18 REMARK 465 ASN D 19 REMARK 465 ASP D 20 REMARK 465 ALA C 2 REMARK 465 GLN C 3 REMARK 465 VAL C 4 REMARK 465 PRO C 5 REMARK 465 ALA C 6 REMARK 465 SER C 7 REMARK 465 GLY C 8 REMARK 465 LYS C 9 REMARK 465 LEU C 10 REMARK 465 LEU C 11 REMARK 465 VAL C 12 REMARK 465 ASP C 13 REMARK 465 PRO C 14 REMARK 465 ARG C 15 REMARK 465 TYR C 16 REMARK 465 SER C 17 REMARK 465 THR C 18 REMARK 465 ASN C 19 REMARK 465 ASP C 20 REMARK 465 ALA B 2 REMARK 465 GLN B 3 REMARK 465 VAL B 4 REMARK 465 PRO B 5 REMARK 465 ALA B 6 REMARK 465 SER B 7 REMARK 465 GLY B 8 REMARK 465 LYS B 9 REMARK 465 LEU B 10 REMARK 465 LEU B 11 REMARK 465 VAL B 12 REMARK 465 ASP B 13 REMARK 465 PRO B 14 REMARK 465 ARG B 15 REMARK 465 TYR B 16 REMARK 465 SER B 17 REMARK 465 THR B 18 REMARK 465 ASN B 19 REMARK 465 ASP B 20 REMARK 465 ALA A 2 REMARK 465 GLN A 3 REMARK 465 VAL A 4 REMARK 465 PRO A 5 REMARK 465 ALA A 6 REMARK 465 SER A 7 REMARK 465 GLY A 8 REMARK 465 LYS A 9 REMARK 465 LEU A 10 REMARK 465 LEU A 11 REMARK 465 VAL A 12 REMARK 465 ASP A 13 REMARK 465 PRO A 14 REMARK 465 ARG A 15 REMARK 465 TYR A 16 REMARK 465 SER A 17 REMARK 465 THR A 18 REMARK 465 ASN A 19 REMARK 465 ASP A 20

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 B 1001 O HOH B 1029 2.14 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 LEU D 69 CA - CB - CG ANGL. DEV. = 14.0 DEGREES REMARK 500 ARG D 71 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 PRO D 82 C - N - CD ANGL. DEV. = -14.3 DEGREES REMARK 500 TYR D 102 N - CA - C ANGL. DEV. = -17.6 DEGREES REMARK 500 ARG D 239 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG C 71 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 LEU C 92 CA - CB - CG ANGL. DEV. = -17.0 DEGREES REMARK 500 ARG B 71 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ASP B 238 CB - CG - OD1 ANGL. DEV. = -6.0 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 SER D 103 128.45 172.39 REMARK 500 ILE D 105 -167.70 -128.71 REMARK 500 CYS D 106 160.38 177.05 REMARK 500 THR D 141 -107.19 -89.22 REMARK 500 ALA D 142 19.93 162.76 REMARK 500 ASP D 154 31.31 -81.58 REMARK 500 ALA D 168 -75.22 -86.79 REMARK 500 PRO D 210 -33.60 -39.51 REMARK 500 ALA D 218 145.75 -174.19 REMARK 500 ILE D 221 -80.89 -66.38 REMARK 500 CYS D 222 -169.14 -126.36 REMARK 500 GLU C 22 -72.69 -6.32 REMARK 500 ALA C 142 -9.04 71.12 REMARK 500 ASP C 164 111.41 -161.97 REMARK 500 ALA C 168 -78.96 -91.47 REMARK 500 ILE C 221 -70.22 -70.87 REMARK 500 TYR C 227 28.29 81.10 REMARK 500 THR C 243 41.87 -103.40 REMARK 500 TYR B 102 29.21 -168.48 REMARK 500 CYS B 106 158.55 177.17 REMARK 500 GLU B 139 -82.21 -28.73 REMARK 500 THR B 140 -65.76 -20.66 REMARK 500 THR B 141 -106.19 -95.61 REMARK 500 ALA B 142 24.71 166.17 REMARK 500 ASP B 164 111.18 -167.33 REMARK 500 ALA B 168 -83.01 -82.59 REMARK 500 LYS A 59 -38.71 -39.08 REMARK 500 GLN A 84 -118.75 -78.97 REMARK 500 LYS A 85 140.81 -178.89 REMARK 500 ALA A 142 -3.14 70.61 REMARK 500 ASP A 164 104.40 -163.75 REMARK 500 ALA A 168 -79.36 -93.55 REMARK 500 ILE A 221 -72.38 -62.98 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 C1004 DISTANCE = 26.26 ANGSTROMS REMARK 525 HOH A1012 DISTANCE = 9.26 ANGSTROMS REMARK 525 HOH B1017 DISTANCE = 6.07 ANGSTROMS REMARK 525 HOH B1018 DISTANCE = 18.48 ANGSTROMS REMARK 525 HOH D1019 DISTANCE = 8.67 ANGSTROMS REMARK 525 HOH D1021 DISTANCE = 5.14 ANGSTROMS REMARK 525 HOH A1029 DISTANCE = 8.34 ANGSTROMS REMARK 525 HOH C1030 DISTANCE = 9.54 ANGSTROMS REMARK 525 HOH C1031 DISTANCE = 27.71 ANGSTROMS REMARK 525 HOH B1034 DISTANCE = 14.95 ANGSTROMS REMARK 525 HOH B1037 DISTANCE = 35.45 ANGSTROMS REMARK 525 HOH C1038 DISTANCE = 19.20 ANGSTROMS REMARK 525 HOH A1039 DISTANCE = 6.36 ANGSTROMS REMARK 525 HOH C1039 DISTANCE = 20.02 ANGSTROMS REMARK 525 HOH B1040 DISTANCE = 30.14 ANGSTROMS REMARK 525 HOH D1040 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A1044 DISTANCE = 6.74 ANGSTROMS REMARK 525 HOH C1048 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH B1049 DISTANCE = 12.76 ANGSTROMS REMARK 525 HOH C1051 DISTANCE = 26.26 ANGSTROMS REMARK 525 HOH C1056 DISTANCE = 10.02 ANGSTROMS REMARK 525 HOH C1057 DISTANCE = 19.21 ANGSTROMS REMARK 525 HOH B1059 DISTANCE = 19.08 ANGSTROMS REMARK 525 HOH B1065 DISTANCE = 22.57 ANGSTROMS REMARK 525 HOH C1067 DISTANCE = 25.12 ANGSTROMS

REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE STRUCTURE HAS TWO PHOSPHATE MOLECULES (USED IN REMARK 600 CRYSTALLIZATION). ONE PHOSPHATE FOUND IN THE ACTIVE REMARK 600 SITE NEAR HELIX 5. REMARK 600 REMARK 600 THERE IS A URACIL MOLECULE BOUND IN EACH SUBUNIT.

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 799 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 899 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 799 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 899 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 799 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 899 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 799 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 899 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE URA D 999 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE URA C 999 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE URA B 999 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE URA A 999

DBREF 1BD4 D 2 244 UNP Q26998 UPP_TOXGO 2 244 DBREF 1BD4 C 2 244 UNP Q26998 UPP_TOXGO 2 244 DBREF 1BD4 B 2 244 UNP Q26998 UPP_TOXGO 2 244 DBREF 1BD4 A 2 244 UNP Q26998 UPP_TOXGO 2 244

SEQADV 1BD4 GLN D 84 UNP Q26998 GLU 84 CONFLICT SEQADV 1BD4 VAL D 128 UNP Q26998 CYS 128 CONFLICT SEQADV 1BD4 GLU D 157 UNP Q26998 ASP 157 CONFLICT SEQADV 1BD4 GLN C 84 UNP Q26998 GLU 84 CONFLICT SEQADV 1BD4 VAL C 128 UNP Q26998 CYS 128 CONFLICT SEQADV 1BD4 GLU C 157 UNP Q26998 ASP 157 CONFLICT SEQADV 1BD4 GLN B 84 UNP Q26998 GLU 84 CONFLICT SEQADV 1BD4 VAL B 128 UNP Q26998 CYS 128 CONFLICT SEQADV 1BD4 GLU B 157 UNP Q26998 ASP 157 CONFLICT SEQADV 1BD4 GLN A 84 UNP Q26998 GLU 84 CONFLICT SEQADV 1BD4 VAL A 128 UNP Q26998 CYS 128 CONFLICT SEQADV 1BD4 GLU A 157 UNP Q26998 ASP 157 CONFLICT

SEQRES 1 D 243 ALA GLN VAL PRO ALA SER GLY LYS LEU LEU VAL ASP PRO SEQRES 2 D 243 ARG TYR SER THR ASN ASP GLN GLU GLU SER ILE LEU GLN SEQRES 3 D 243 ASP ILE ILE THR ARG PHE PRO ASN VAL VAL LEU MET LYS SEQRES 4 D 243 GLN THR ALA GLN LEU ARG ALA MET MET THR ILE ILE ARG SEQRES 5 D 243 ASP LYS GLU THR PRO LYS GLU GLU PHE VAL PHE TYR ALA SEQRES 6 D 243 ASP ARG LEU ILE ARG LEU LEU ILE GLU GLU ALA LEU ASN SEQRES 7 D 243 GLU LEU PRO PHE GLN LYS LYS GLU VAL THR THR PRO LEU SEQRES 8 D 243 ASP VAL SER TYR HIS GLY VAL SER PHE TYR SER LYS ILE SEQRES 9 D 243 CYS GLY VAL SER ILE VAL ARG ALA GLY GLU SER MET GLU SEQRES 10 D 243 SER GLY LEU ARG ALA VAL CYS ARG GLY VAL ARG ILE GLY SEQRES 11 D 243 LYS ILE LEU ILE GLN ARG ASP GLU THR THR ALA GLU PRO SEQRES 12 D 243 LYS LEU ILE TYR GLU LYS LEU PRO ALA ASP ILE ARG GLU SEQRES 13 D 243 ARG TRP VAL MET LEU LEU ASP PRO MET CYS ALA THR ALA SEQRES 14 D 243 GLY SER VAL CYS LYS ALA ILE GLU VAL LEU LEU ARG LEU SEQRES 15 D 243 GLY VAL LYS GLU GLU ARG ILE ILE PHE VAL ASN ILE LEU SEQRES 16 D 243 ALA ALA PRO GLN GLY ILE GLU ARG VAL PHE LYS GLU TYR SEQRES 17 D 243 PRO LYS VAL ARG MET VAL THR ALA ALA VAL ASP ILE CYS SEQRES 18 D 243 LEU ASN SER ARG TYR TYR ILE VAL PRO GLY ILE GLY ASP SEQRES 19 D 243 PHE GLY ASP ARG TYR PHE GLY THR MET SEQRES 1 C 243 ALA GLN VAL PRO ALA SER GLY LYS LEU LEU VAL ASP PRO SEQRES 2 C 243 ARG TYR SER THR ASN ASP GLN GLU GLU SER ILE LEU GLN SEQRES 3 C 243 ASP ILE ILE THR ARG PHE PRO ASN VAL VAL LEU MET LYS SEQRES 4 C 243 GLN THR ALA GLN LEU ARG ALA MET MET THR ILE ILE ARG SEQRES 5 C 243 ASP LYS GLU THR PRO LYS GLU GLU PHE VAL PHE TYR ALA SEQRES 6 C 243 ASP ARG LEU ILE ARG LEU LEU ILE GLU GLU ALA LEU ASN SEQRES 7 C 243 GLU LEU PRO PHE GLN LYS LYS GLU VAL THR THR PRO LEU SEQRES 8 C 243 ASP VAL SER TYR HIS GLY VAL SER PHE TYR SER LYS ILE SEQRES 9 C 243 CYS GLY VAL SER ILE VAL ARG ALA GLY GLU SER MET GLU SEQRES 10 C 243 SER GLY LEU ARG ALA VAL CYS ARG GLY VAL ARG ILE GLY SEQRES 11 C 243 LYS ILE LEU ILE GLN ARG ASP GLU THR THR ALA GLU PRO SEQRES 12 C 243 LYS LEU ILE TYR GLU LYS LEU PRO ALA ASP ILE ARG GLU SEQRES 13 C 243 ARG TRP VAL MET LEU LEU ASP PRO MET CYS ALA THR ALA SEQRES 14 C 243 GLY SER VAL CYS LYS ALA ILE GLU VAL LEU LEU ARG LEU SEQRES 15 C 243 GLY VAL LYS GLU GLU ARG ILE ILE PHE VAL ASN ILE LEU SEQRES 16 C 243 ALA ALA PRO GLN GLY ILE GLU ARG VAL PHE LYS GLU TYR SEQRES 17 C 243 PRO LYS VAL ARG MET VAL THR ALA ALA VAL ASP ILE CYS SEQRES 18 C 243 LEU ASN SER ARG TYR TYR ILE VAL PRO GLY ILE GLY ASP SEQRES 19 C 243 PHE GLY ASP ARG TYR PHE GLY THR MET SEQRES 1 B 243 ALA GLN VAL PRO ALA SER GLY LYS LEU LEU VAL ASP PRO SEQRES 2 B 243 ARG TYR SER THR ASN ASP GLN GLU GLU SER ILE LEU GLN SEQRES 3 B 243 ASP ILE ILE THR ARG PHE PRO ASN VAL VAL LEU MET LYS SEQRES 4 B 243 GLN THR ALA GLN LEU ARG ALA MET MET THR ILE ILE ARG SEQRES 5 B 243 ASP LYS GLU THR PRO LYS GLU GLU PHE VAL PHE TYR ALA SEQRES 6 B 243 ASP ARG LEU ILE ARG LEU LEU ILE GLU GLU ALA LEU ASN SEQRES 7 B 243 GLU LEU PRO PHE GLN LYS LYS GLU VAL THR THR PRO LEU SEQRES 8 B 243 ASP VAL SER TYR HIS GLY VAL SER PHE TYR SER LYS ILE SEQRES 9 B 243 CYS GLY VAL SER ILE VAL ARG ALA GLY GLU SER MET GLU SEQRES 10 B 243 SER GLY LEU ARG ALA VAL CYS ARG GLY VAL ARG ILE GLY SEQRES 11 B 243 LYS ILE LEU ILE GLN ARG ASP GLU THR THR ALA GLU PRO SEQRES 12 B 243 LYS LEU ILE TYR GLU LYS LEU PRO ALA ASP ILE ARG GLU SEQRES 13 B 243 ARG TRP VAL MET LEU LEU ASP PRO MET CYS ALA THR ALA SEQRES 14 B 243 GLY SER VAL CYS LYS ALA ILE GLU VAL LEU LEU ARG LEU SEQRES 15 B 243 GLY VAL LYS GLU GLU ARG ILE ILE PHE VAL ASN ILE LEU SEQRES 16 B 243 ALA ALA PRO GLN GLY ILE GLU ARG VAL PHE LYS GLU TYR SEQRES 17 B 243 PRO LYS VAL ARG MET VAL THR ALA ALA VAL ASP ILE CYS SEQRES 18 B 243 LEU ASN SER ARG TYR TYR ILE VAL PRO GLY ILE GLY ASP SEQRES 19 B 243 PHE GLY ASP ARG TYR PHE GLY THR MET SEQRES 1 A 243 ALA GLN VAL PRO ALA SER GLY LYS LEU LEU VAL ASP PRO SEQRES 2 A 243 ARG TYR SER THR ASN ASP GLN GLU GLU SER ILE LEU GLN SEQRES 3 A 243 ASP ILE ILE THR ARG PHE PRO ASN VAL VAL LEU MET LYS SEQRES 4 A 243 GLN THR ALA GLN LEU ARG ALA MET MET THR ILE ILE ARG SEQRES 5 A 243 ASP LYS GLU THR PRO LYS GLU GLU PHE VAL PHE TYR ALA SEQRES 6 A 243 ASP ARG LEU ILE ARG LEU LEU ILE GLU GLU ALA LEU ASN SEQRES 7 A 243 GLU LEU PRO PHE GLN LYS LYS GLU VAL THR THR PRO LEU SEQRES 8 A 243 ASP VAL SER TYR HIS GLY VAL SER PHE TYR SER LYS ILE SEQRES 9 A 243 CYS GLY VAL SER ILE VAL ARG ALA GLY GLU SER MET GLU SEQRES 10 A 243 SER GLY LEU ARG ALA VAL CYS ARG GLY VAL ARG ILE GLY SEQRES 11 A 243 LYS ILE LEU ILE GLN ARG ASP GLU THR THR ALA GLU PRO SEQRES 12 A 243 LYS LEU ILE TYR GLU LYS LEU PRO ALA ASP ILE ARG GLU SEQRES 13 A 243 ARG TRP VAL MET LEU LEU ASP PRO MET CYS ALA THR ALA SEQRES 14 A 243 GLY SER VAL CYS LYS ALA ILE GLU VAL LEU LEU ARG LEU SEQRES 15 A 243 GLY VAL LYS GLU GLU ARG ILE ILE PHE VAL ASN ILE LEU SEQRES 16 A 243 ALA ALA PRO GLN GLY ILE GLU ARG VAL PHE LYS GLU TYR SEQRES 17 A 243 PRO LYS VAL ARG MET VAL THR ALA ALA VAL ASP ILE CYS SEQRES 18 A 243 LEU ASN SER ARG TYR TYR ILE VAL PRO GLY ILE GLY ASP SEQRES 19 A 243 PHE GLY ASP ARG TYR PHE GLY THR MET

HET PO4 D 799 5 HET PO4 D 899 5 HET PO4 C 799 5 HET PO4 C 899 5 HET PO4 B 799 5 HET PO4 B 899 5 HET PO4 A 799 5 HET PO4 A 899 5 HET URA D 999 8 HET URA C 999 8 HET URA B 999 8 HET URA A 999 8

HETNAM PO4 PHOSPHATE ION HETNAM URA URACIL

FORMUL 5 PO4 8(O4 P 3-) FORMUL 13 URA 4(C4 H4 N2 O2) FORMUL 17 HOH *240(H2 O)

HELIX 1 1 GLU D 22 ARG D 32 1 11 HELIX 2 2 ALA D 43 ARG D 53 1 11 HELIX 3 3 LYS D 59 GLU D 80 1 22 HELIX 4 4 ALA D 113 VAL D 124 5 12 HELIX 5 5 ILE D 155 GLU D 157 5 3 HELIX 6 6 GLY D 171 ARG D 182 1 12 HELIX 7 7 GLU D 187 ARG D 189 5 3 HELIX 8 8 PRO D 199 TYR D 209 1 11 HELIX 9 9 PHE D 236 PHE D 241 1 6 HELIX 10 10 GLU C 22 ARG C 32 1 11 HELIX 11 11 ALA C 43 ARG C 53 1 11 HELIX 12 12 LYS C 59 GLU C 80 1 22 HELIX 13 13 ALA C 113 VAL C 124 5 12 HELIX 14 14 ILE C 155 GLU C 157 5 3 HELIX 15 15 GLY C 171 LEU C 183 1 13 HELIX 16 16 GLU C 187 ARG C 189 5 3 HELIX 17 17 PRO C 199 GLU C 208 1 10 HELIX 18 18 PHE C 236 PHE C 241 1 6 HELIX 19 19 GLU B 22 ARG B 32 1 11 HELIX 20 20 ALA B 43 ARG B 53 1 11 HELIX 21 21 LYS B 59 GLU B 80 1 22 HELIX 22 22 ALA B 113 VAL B 124 5 12 HELIX 23 23 ILE B 155 GLU B 157 5 3 HELIX 24 24 GLY B 171 LEU B 183 1 13 HELIX 25 25 GLU B 187 ARG B 189 5 3 HELIX 26 26 PRO B 199 GLU B 208 1 10 HELIX 27 27 PHE B 236 PHE B 241 1 6 HELIX 28 28 GLU A 22 ARG A 32 1 11 HELIX 29 29 ALA A 43 ARG A 53 1 11 HELIX 30 30 LYS A 59 GLU A 80 1 22 HELIX 31 31 ALA A 113 VAL A 124 5 12 HELIX 32 32 ILE A 155 GLU A 157 5 3 HELIX 33 33 GLY A 171 LEU A 183 1 13 HELIX 34 34 GLU A 187 ARG A 189 5 3 HELIX 35 35 PRO A 199 GLU A 208 1 10 HELIX 36 36 PHE A 236 PHE A 241 1 6

SHEET 1 A 7 VAL D 36 LEU D 38 0 SHEET 2 A 7 ARG D 213 THR D 216 1 N MET D 214 O VAL D 37 SHEET 3 A 7 ILE D 190 VAL D 193 1 N PHE D 192 O ARG D 213 SHEET 4 A 7 VAL D 160 LEU D 163 1 N VAL D 160 O ILE D 191 SHEET 5 A 7 GLY D 107 VAL D 111 1 N VAL D 108 O MET D 161 SHEET 6 A 7 ILE D 130 ARG D 137 1 N GLY D 131 O GLY D 107 SHEET 7 A 7 PRO D 144 LYS D 150 -1 N LYS D 150 O LYS D 132 SHEET 1 B 2 PHE D 83 THR D 89 0 SHEET 2 B 2 SER D 95 PHE D 101 -1 N SER D 100 O GLN D 84 SHEET 1 C 7 VAL C 36 LEU C 38 0 SHEET 2 C 7 ARG C 213 THR C 216 1 N MET C 214 O VAL C 37 SHEET 3 C 7 ILE C 190 VAL C 193 1 N PHE C 192 O ARG C 213 SHEET 4 C 7 TRP C 159 LEU C 163 1 N VAL C 160 O ILE C 191 SHEET 5 C 7 ILE C 105 VAL C 111 1 N CYS C 106 O TRP C 159 SHEET 6 C 7 ILE C 130 ARG C 137 1 N GLY C 131 O GLY C 107 SHEET 7 C 7 PRO C 144 LYS C 150 -1 N LYS C 150 O LYS C 132 SHEET 1 D 2 PHE C 83 THR C 89 0 SHEET 2 D 2 SER C 95 PHE C 101 -1 N SER C 100 O GLN C 84 SHEET 1 E 7 VAL B 36 LEU B 38 0 SHEET 2 E 7 ARG B 213 THR B 216 1 N MET B 214 O VAL B 37 SHEET 3 E 7 ILE B 190 VAL B 193 1 N PHE B 192 O ARG B 213 SHEET 4 E 7 VAL B 160 LEU B 163 1 N VAL B 160 O ILE B 191 SHEET 5 E 7 GLY B 107 VAL B 111 1 N VAL B 108 O MET B 161 SHEET 6 E 7 ILE B 130 ARG B 137 1 N GLY B 131 O GLY B 107 SHEET 7 E 7 PRO B 144 LYS B 150 -1 N LYS B 150 O LYS B 132 SHEET 1 F 2 LYS B 86 THR B 89 0 SHEET 2 F 2 SER B 95 GLY B 98 -1 N GLY B 98 O LYS B 86 SHEET 1 G 7 VAL A 36 LEU A 38 0 SHEET 2 G 7 ARG A 213 THR A 216 1 N MET A 214 O VAL A 37 SHEET 3 G 7 ILE A 190 ASN A 194 1 N PHE A 192 O ARG A 213 SHEET 4 G 7 TRP A 159 LEU A 163 1 N VAL A 160 O ILE A 191 SHEET 5 G 7 ILE A 105 VAL A 111 1 N CYS A 106 O TRP A 159 SHEET 6 G 7 ILE A 130 ARG A 137 1 N GLY A 131 O GLY A 107 SHEET 7 G 7 PRO A 144 LYS A 150 -1 N LYS A 150 O LYS A 132 SHEET 1 H 2 LYS A 86 THR A 89 0 SHEET 2 H 2 SER A 95 GLY A 98 -1 N GLY A 98 O LYS A 86 SHEET 1 I 2 LEU A 196 ALA A 198 0 SHEET 2 I 2 ALA A 218 ASP A 220 1 N ALA A 218 O ALA A 197

CISPEP 1 VAL D 111 ARG D 112 0 2.74 CISPEP 2 VAL D 230 PRO D 231 0 -1.05 CISPEP 3 VAL C 111 ARG C 112 0 0.92 CISPEP 4 VAL C 230 PRO C 231 0 0.94 CISPEP 5 VAL B 111 ARG B 112 0 1.13 CISPEP 6 VAL B 230 PRO B 231 0 1.29 CISPEP 7 VAL A 111 ARG A 112 0 0.71 CISPEP 8 VAL A 230 PRO A 231 0 -0.35

SITE 1 AC1 7 ARG D 137 ALA D 168 THR D 169 ALA D 170 SITE 2 AC1 7 GLY D 171 SER D 172 HOH D1009 SITE 1 AC2 5 LYS B 59 LYS D 104 ARG D 129 ARG D 158 SITE 2 AC2 5 HOH D1039 SITE 1 AC3 8 ARG C 137 ALA C 168 THR C 169 ALA C 170 SITE 2 AC3 8 GLY C 171 SER C 172 HOH C1015 HOH C1035 SITE 1 AC4 4 LYS A 59 ARG C 129 ARG C 158 HOH C1000 SITE 1 AC5 10 ARG B 137 CYS B 167 ALA B 168 THR B 169 SITE 2 AC5 10 ALA B 170 GLY B 171 SER B 172 HOH B1019 SITE 3 AC5 10 HOH B1030 HOH B1063 SITE 1 AC6 7 LYS B 104 ARG B 129 ARG B 158 HOH B1036 SITE 2 AC6 7 HOH B1051 HOH B1053 LYS D 59 SITE 1 AC7 6 ARG A 137 ALA A 168 THR A 169 ALA A 170 SITE 2 AC7 6 GLY A 171 SER A 172 SITE 1 AC8 3 ARG A 129 ARG A 158 LYS C 59 SITE 1 AC9 9 MET D 166 TYR D 227 TYR D 228 ILE D 229 SITE 2 AC9 9 GLY D 234 ASP D 235 PHE D 236 HOH D1001 SITE 3 AC9 9 HOH D1003 SITE 1 BC1 7 MET C 166 TYR C 228 ILE C 229 GLY C 234 SITE 2 BC1 7 ASP C 235 PHE C 236 HOH C1006 SITE 1 BC2 7 MET B 166 TYR B 228 ILE B 229 GLY B 234 SITE 2 BC2 7 ASP B 235 PHE B 236 HOH B1003 SITE 1 BC3 8 MET A 166 TYR A 228 ILE A 229 GLY A 234 SITE 2 BC3 8 ASP A 235 PHE A 236 HOH A1013 HOH A1045

CRYST1 60.390 141.770 71.460 90.00 114.82 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 0.016559 0.000000 0.007658 0.00000

SCALE2 0.000000 0.007054 0.000000 0.00000

SCALE3 0.000000 0.000000 0.015418 0.00000