HEADER LYASE 19-JUN-07 2QCG TITLE CRYSTAL STRUCTURE OF THE OROTIDINE-5'-MONOPHOSPHATE DECARBOXYLASE TITLE 2 DOMAIN OF HUMAN UMP SYNTHASE BOUND TO 5-BROMO-UMP COMPND MOL_ID: 1; COMPND 2 MOLECULE: URIDINE 5'-MONOPHOSPHATE SYNTHASE (UMP SYNTHASE); COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: C-TERMINAL DOMAIN; COMPND 5 EC: 4.1.1.23; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: UMPS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 ROSETTA 2(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PETM-30 KEYWDS UMP SYNTHASE, DECARBOXYLASE, CATALYTIC PROFICIENCY, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR J.WITTMANN,M.RUDOLPH REVDAT 6 21-FEB-24 2QCG 1 REMARK SEQADV REVDAT 5 13-JUL-11 2QCG 1 VERSN REVDAT 4 24-FEB-09 2QCG 1 VERSN REVDAT 3 18-MAR-08 2QCG 1 REMARK REVDAT 2 12-FEB-08 2QCG 1 JRNL REVDAT 1 06-NOV-07 2QCG 0 JRNL AUTH J.G.WITTMANN,D.HEINRICH,K.GASOW,A.FREY,U.DIEDERICHSEN, JRNL AUTH 2 M.G.RUDOLPH JRNL TITL STRUCTURES OF THE HUMAN OROTIDINE-5'-MONOPHOSPHATE JRNL TITL 2 DECARBOXYLASE SUPPORT A COVALENT MECHANISM AND PROVIDE A JRNL TITL 3 FRAMEWORK FOR DRUG DESIGN. JRNL REF STRUCTURE V. 16 82 2008 JRNL REFN ISSN 0969-2126 JRNL PMID 18184586 JRNL DOI 10.1016/J.STR.2007.10.020 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 48733 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.167 REMARK 3 FREE R VALUE : 0.202 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3942 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 137 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DATA ARE TWINNED WITH TWIN FRACTION REMARK 3 0.44 AND TWIN LAW L,-K,H REMARK 4 REMARK 4 2QCG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1000043424. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-APR-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5419 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48733 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.0 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08100 REMARK 200 FOR THE DATA SET : 10.7000 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) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 43.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.47300 REMARK 200 FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: COMO REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 295K 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 30.84950 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18240 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 KCAL/MOL 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 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 221 REMARK 465 VAL A 480 REMARK 465 GLY B 221 REMARK 465 VAL B 480 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 PRO B 234 C - N - CA ANGL. DEV. = 10.0 DEGREES REMARK 500 LYS B 314 CD - CE - NZ ANGL. DEV. = -21.7 DEGREES REMARK 500 ALA B 423 N - CA - C ANGL. DEV. = -17.0 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 MET A 223 151.01 152.93 REMARK 500 GLU A 306 74.38 69.12 REMARK 500 ALA A 316 45.01 -151.46 REMARK 500 LYS A 332 50.17 39.76 REMARK 500 TRP A 336 -11.89 -145.72 REMARK 500 TRP A 336 -11.89 -146.90 REMARK 500 PRO B 234 -88.47 -34.23 REMARK 500 GLU B 306 79.57 70.71 REMARK 500 ALA B 316 43.75 -154.87 REMARK 500 LYS B 332 53.81 39.24 REMARK 500 GLU B 422 -102.83 -74.61 REMARK 500 ALA B 423 101.34 138.15 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 5BU A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 5BU B 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QCC RELATED DB: PDB REMARK 900 RELATED ID: 2QCD RELATED DB: PDB REMARK 900 RELATED ID: 2QCE RELATED DB: PDB REMARK 900 RELATED ID: 2QCF RELATED DB: PDB REMARK 900 RELATED ID: 2V30 RELATED DB: PDB REMARK 900 RELATED ID: 2JGY RELATED DB: PDB DBREF 2QCG A 224 480 UNP P11172 PYR5_HUMAN 224 480 DBREF 2QCG B 224 480 UNP P11172 PYR5_HUMAN 224 480 SEQADV 2QCG GLY A 221 UNP P11172 EXPRESSION TAG SEQADV 2QCG ALA A 222 UNP P11172 EXPRESSION TAG SEQADV 2QCG MET A 223 UNP P11172 EXPRESSION TAG SEQADV 2QCG GLY B 221 UNP P11172 EXPRESSION TAG SEQADV 2QCG ALA B 222 UNP P11172 EXPRESSION TAG SEQADV 2QCG MET B 223 UNP P11172 EXPRESSION TAG SEQRES 1 A 260 GLY ALA MET GLU LEU SER PHE GLY ALA ARG ALA GLU LEU SEQRES 2 A 260 PRO ARG ILE HIS PRO VAL ALA SER LYS LEU LEU ARG LEU SEQRES 3 A 260 MET GLN LYS LYS GLU THR ASN LEU CYS LEU SER ALA ASP SEQRES 4 A 260 VAL SER LEU ALA ARG GLU LEU LEU GLN LEU ALA ASP ALA SEQRES 5 A 260 LEU GLY PRO SER ILE CYS MET LEU LYS THR HIS VAL ASP SEQRES 6 A 260 ILE LEU ASN ASP PHE THR LEU ASP VAL MET LYS GLU LEU SEQRES 7 A 260 ILE THR LEU ALA LYS CYS HIS GLU PHE LEU ILE PHE GLU SEQRES 8 A 260 ASP ARG LYS PHE ALA ASP ILE GLY ASN THR VAL LYS LYS SEQRES 9 A 260 GLN TYR GLU GLY GLY ILE PHE LYS ILE ALA SER TRP ALA SEQRES 10 A 260 ASP LEU VAL ASN ALA HIS VAL VAL PRO GLY SER GLY VAL SEQRES 11 A 260 VAL LYS GLY LEU GLN GLU VAL GLY LEU PRO LEU HIS ARG SEQRES 12 A 260 GLY CYS LEU LEU ILE ALA GLU MET SER SER THR GLY SER SEQRES 13 A 260 LEU ALA THR GLY ASP TYR THR ARG ALA ALA VAL ARG MET SEQRES 14 A 260 ALA GLU GLU HIS SER GLU PHE VAL VAL GLY PHE ILE SER SEQRES 15 A 260 GLY SER ARG VAL SER MET LYS PRO GLU PHE LEU HIS LEU SEQRES 16 A 260 THR PRO GLY VAL GLN LEU GLU ALA GLY GLY ASP ASN LEU SEQRES 17 A 260 GLY GLN GLN TYR ASN SER PRO GLN GLU VAL ILE GLY LYS SEQRES 18 A 260 ARG GLY SER ASP ILE ILE ILE VAL GLY ARG GLY ILE ILE SEQRES 19 A 260 SER ALA ALA ASP ARG LEU GLU ALA ALA GLU MET TYR ARG SEQRES 20 A 260 LYS ALA ALA TRP GLU ALA TYR LEU SER ARG LEU GLY VAL SEQRES 1 B 260 GLY ALA MET GLU LEU SER PHE GLY ALA ARG ALA GLU LEU SEQRES 2 B 260 PRO ARG ILE HIS PRO VAL ALA SER LYS LEU LEU ARG LEU SEQRES 3 B 260 MET GLN LYS LYS GLU THR ASN LEU CYS LEU SER ALA ASP SEQRES 4 B 260 VAL SER LEU ALA ARG GLU LEU LEU GLN LEU ALA ASP ALA SEQRES 5 B 260 LEU GLY PRO SER ILE CYS MET LEU LYS THR HIS VAL ASP SEQRES 6 B 260 ILE LEU ASN ASP PHE THR LEU ASP VAL MET LYS GLU LEU SEQRES 7 B 260 ILE THR LEU ALA LYS CYS HIS GLU PHE LEU ILE PHE GLU SEQRES 8 B 260 ASP ARG LYS PHE ALA ASP ILE GLY ASN THR VAL LYS LYS SEQRES 9 B 260 GLN TYR GLU GLY GLY ILE PHE LYS ILE ALA SER TRP ALA SEQRES 10 B 260 ASP LEU VAL ASN ALA HIS VAL VAL PRO GLY SER GLY VAL SEQRES 11 B 260 VAL LYS GLY LEU GLN GLU VAL GLY LEU PRO LEU HIS ARG SEQRES 12 B 260 GLY CYS LEU LEU ILE ALA GLU MET SER SER THR GLY SER SEQRES 13 B 260 LEU ALA THR GLY ASP TYR THR ARG ALA ALA VAL ARG MET SEQRES 14 B 260 ALA GLU GLU HIS SER GLU PHE VAL VAL GLY PHE ILE SER SEQRES 15 B 260 GLY SER ARG VAL SER MET LYS PRO GLU PHE LEU HIS LEU SEQRES 16 B 260 THR PRO GLY VAL GLN LEU GLU ALA GLY GLY ASP ASN LEU SEQRES 17 B 260 GLY GLN GLN TYR ASN SER PRO GLN GLU VAL ILE GLY LYS SEQRES 18 B 260 ARG GLY SER ASP ILE ILE ILE VAL GLY ARG GLY ILE ILE SEQRES 19 B 260 SER ALA ALA ASP ARG LEU GLU ALA ALA GLU MET TYR ARG SEQRES 20 B 260 LYS ALA ALA TRP GLU ALA TYR LEU SER ARG LEU GLY VAL HET 5BU A 1 22 HET 5BU B 2 22 HETNAM 5BU 5-BROMO-URIDINE-5'-MONOPHOSPHATE FORMUL 3 5BU 2(C9 H12 BR N2 O9 P) FORMUL 5 HOH *137(H2 O) HELIX 1 1 SER A 226 ALA A 231 1 6 HELIX 2 2 HIS A 237 GLU A 251 1 15 HELIX 3 3 LEU A 262 GLY A 274 1 13 HELIX 4 4 PRO A 275 ILE A 277 5 3 HELIX 5 5 HIS A 283 LEU A 287 5 5 HELIX 6 6 THR A 291 GLU A 306 1 16 HELIX 7 7 ILE A 318 GLY A 328 1 11 HELIX 8 8 LYS A 332 TRP A 336 5 5 HELIX 9 9 SER A 348 LEU A 359 1 12 HELIX 10 10 GLY A 380 GLU A 392 1 13 HELIX 11 11 SER A 434 GLY A 440 1 7 HELIX 12 12 GLY A 450 SER A 455 1 6 HELIX 13 13 ASP A 458 GLY A 479 1 22 HELIX 14 14 SER B 226 ALA B 231 1 6 HELIX 15 15 HIS B 237 GLU B 251 1 15 HELIX 16 16 LEU B 262 LEU B 273 1 12 HELIX 17 17 GLY B 274 ILE B 277 5 4 HELIX 18 18 HIS B 283 LEU B 287 5 5 HELIX 19 19 THR B 291 GLU B 306 1 16 HELIX 20 20 ILE B 318 GLY B 328 1 11 HELIX 21 21 LYS B 332 TRP B 336 5 5 HELIX 22 22 SER B 348 LEU B 359 1 12 HELIX 23 23 GLY B 380 HIS B 393 1 14 HELIX 24 24 SER B 434 GLY B 440 1 7 HELIX 25 25 GLY B 450 SER B 455 1 6 HELIX 26 26 ASP B 458 GLY B 479 1 22 SHEET 1 A 9 LEU A 254 SER A 257 0 SHEET 2 A 9 MET A 279 THR A 282 1 O LYS A 281 N LEU A 256 SHEET 3 A 9 LEU A 308 PHE A 315 1 O PHE A 310 N LEU A 280 SHEET 4 A 9 LEU A 339 HIS A 343 1 O HIS A 343 N PHE A 315 SHEET 5 A 9 GLY A 364 ILE A 368 1 O LEU A 366 N VAL A 340 SHEET 6 A 9 VAL A 397 ILE A 401 1 O GLY A 399 N LEU A 367 SHEET 7 A 9 LEU A 413 THR A 416 1 O LEU A 413 N PHE A 400 SHEET 8 A 9 ILE A 446 VAL A 449 1 O ILE A 446 N THR A 416 SHEET 9 A 9 LEU A 254 SER A 257 1 N CYS A 255 O ILE A 447 SHEET 1 B 2 GLY A 424 GLY A 425 0 SHEET 2 B 2 GLN A 431 TYR A 432 -1 O TYR A 432 N GLY A 424 SHEET 1 C 9 LEU B 254 SER B 257 0 SHEET 2 C 9 MET B 279 THR B 282 1 O LYS B 281 N LEU B 256 SHEET 3 C 9 LEU B 308 PHE B 315 1 O PHE B 310 N THR B 282 SHEET 4 C 9 LEU B 339 HIS B 343 1 O HIS B 343 N PHE B 315 SHEET 5 C 9 GLY B 364 ILE B 368 1 O ILE B 368 N ALA B 342 SHEET 6 C 9 VAL B 397 ILE B 401 1 O GLY B 399 N LEU B 367 SHEET 7 C 9 LEU B 413 THR B 416 1 O LEU B 413 N PHE B 400 SHEET 8 C 9 ILE B 446 VAL B 449 1 O ILE B 448 N THR B 416 SHEET 9 C 9 LEU B 254 SER B 257 1 N CYS B 255 O ILE B 447 SITE 1 AC1 16 SER A 257 ASP A 259 LYS A 281 HIS A 283 SITE 2 AC1 16 ASP A 312 MET A 371 SER A 372 PRO A 417 SITE 3 AC1 16 GLN A 430 TYR A 432 GLY A 450 ARG A 451 SITE 4 AC1 16 HOH A 486 HOH A 509 ASP B 317 THR B 321 SITE 1 AC2 22 ASP A 317 ILE A 318 THR A 321 SER B 257 SITE 2 AC2 22 ASP B 259 LYS B 281 HIS B 283 ASP B 312 SITE 3 AC2 22 LYS B 314 ILE B 368 MET B 371 SER B 372 SITE 4 AC2 22 ILE B 401 PRO B 417 GLN B 430 TYR B 432 SITE 5 AC2 22 GLY B 450 ARG B 451 HOH B 486 HOH B 487 SITE 6 AC2 22 HOH B 493 HOH B 505 CRYST1 69.184 61.699 69.169 90.00 113.06 90.00 P 1 21 1 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.014454 0.000000 0.006153 0.00000 SCALE2 0.000000 0.016208 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015713 0.00000