HEADER LYASE 29-NOV-13 4NT0 TITLE CRYSTAL STRUCTURE OF OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE FROM TITLE 2 METHANOBACTERIUM THERMOAUTOTROPHICUM COMPLEXED WITH 3-DEAZAURIDINE TITLE 3 5'-MONOPHOSPHATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: OROTIDINE 5'-PHOSPHATE DECARBOXYLASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: OMP DECARBOXYLASE, OMPDCASE, OMPDECASE; COMPND 5 EC: 4.1.1.23; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOTHERMOBACTER THERMAUTOTROPHICUS; SOURCE 3 ORGANISM_TAXID: 145262; SOURCE 4 GENE: PYRF, MTH_129; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TIM-BARREL, OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE, 3-DEAZAURIDINE KEYWDS 2 5'-MONOPHOSPHATE, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR A.A.FEDOROV,E.V.FEDOROV,V.IIAMS,J.A.GERLT,S.C.ALMO REVDAT 2 20-SEP-23 4NT0 1 REMARK SEQADV LINK REVDAT 1 18-DEC-13 4NT0 0 JRNL AUTH A.A.FEDOROV,E.V.FEDOROV,V.IIAMS,J.A.GERLT,S.C.ALMO JRNL TITL CRYSTAL STRUCTURE OF OROTIDINE 5'-MONOPHOSPHATE JRNL TITL 2 DECARBOXYLASE FROM METHANOBACTERIUM THERMOAUTOTROPHICUM JRNL TITL 3 COMPLEXED WITH 3-DEAZAURIDINE 5'-MONOPHOSPHATE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.77 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.77 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.10 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 40055 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.195 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.110 REMARK 3 FREE R VALUE TEST SET COUNT : 1246 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 42.1127 - 3.6794 0.94 4303 144 0.1830 0.1914 REMARK 3 2 3.6794 - 2.9207 0.99 4366 148 0.1852 0.2070 REMARK 3 3 2.9207 - 2.5515 1.00 4359 134 0.1939 0.2472 REMARK 3 4 2.5515 - 2.3183 1.00 4310 171 0.1855 0.2457 REMARK 3 5 2.3183 - 2.1521 1.00 4328 135 0.1833 0.2463 REMARK 3 6 2.1521 - 2.0252 1.00 4318 118 0.1996 0.2352 REMARK 3 7 2.0252 - 1.9238 1.00 4272 144 0.2422 0.3218 REMARK 3 8 1.9238 - 1.8401 1.00 4276 134 0.2628 0.3558 REMARK 3 9 1.8401 - 1.7692 0.99 4277 118 0.3105 0.3684 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.800 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 3450 REMARK 3 ANGLE : 0.999 4663 REMARK 3 CHIRALITY : 0.076 530 REMARK 3 PLANARITY : 0.006 612 REMARK 3 DIHEDRAL : 11.856 1310 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A REMARK 3 ORIGIN FOR THE GROUP (A): 3.8711 -0.1869 -21.1206 REMARK 3 T TENSOR REMARK 3 T11: 0.1089 T22: 0.1007 REMARK 3 T33: 0.0942 T12: 0.0067 REMARK 3 T13: -0.0105 T23: -0.0018 REMARK 3 L TENSOR REMARK 3 L11: 1.9700 L22: 2.1939 REMARK 3 L33: 1.3053 L12: -0.5223 REMARK 3 L13: -0.5040 L23: 0.0484 REMARK 3 S TENSOR REMARK 3 S11: 0.0311 S12: 0.0144 S13: 0.1535 REMARK 3 S21: -0.0238 S22: 0.0071 S23: -0.1660 REMARK 3 S31: -0.1697 S32: 0.1048 S33: -0.0206 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN B REMARK 3 ORIGIN FOR THE GROUP (A): -14.0279 -18.0779 -10.1670 REMARK 3 T TENSOR REMARK 3 T11: 0.1021 T22: 0.0979 REMARK 3 T33: 0.0986 T12: 0.0002 REMARK 3 T13: -0.0023 T23: -0.0070 REMARK 3 L TENSOR REMARK 3 L11: 2.0916 L22: 1.8982 REMARK 3 L33: 1.4842 L12: -0.3653 REMARK 3 L13: -0.0044 L23: -0.3597 REMARK 3 S TENSOR REMARK 3 S11: -0.0015 S12: -0.0028 S13: -0.1793 REMARK 3 S21: 0.0481 S22: 0.0394 S23: 0.1656 REMARK 3 S31: 0.1266 S32: -0.1571 S33: -0.0215 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4NT0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-DEC-13. REMARK 100 THE DEPOSITION ID IS D_1000083618. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-FEB-13 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 : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.075 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40055 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.769 REMARK 200 RESOLUTION RANGE LOW (A) : 42.101 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: BALBES REMARK 200 STARTING MODEL: 3G18 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG400, 0.1M HEPES, 0.2M CALCIUM REMARK 280 CHLORIDE, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 28.44300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.58950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.44800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.58950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.44300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.44800 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 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 REMARK 350 TOTAL BURIED SURFACE AREA: 3920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -53.0 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 MET A 1 REMARK 465 GLY A 181 REMARK 465 VAL A 182 REMARK 465 GLY A 183 REMARK 465 ALA A 184 REMARK 465 GLN A 185 REMARK 465 GLY A 186 REMARK 465 GLY A 187 REMARK 465 ASP A 188 REMARK 465 PRO A 189 REMARK 465 ASP A 224 REMARK 465 LEU A 225 REMARK 465 LEU A 226 REMARK 465 ASN A 227 REMARK 465 PRO A 228 REMARK 465 MET B 1 REMARK 465 GLY B 181 REMARK 465 VAL B 182 REMARK 465 GLY B 183 REMARK 465 ALA B 184 REMARK 465 GLN B 185 REMARK 465 GLY B 186 REMARK 465 GLY B 187 REMARK 465 ASP B 188 REMARK 465 PRO B 189 REMARK 465 ASP B 224 REMARK 465 LEU B 225 REMARK 465 LEU B 226 REMARK 465 ASN B 227 REMARK 465 PRO B 228 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 ASN A 13 12.82 57.04 REMARK 500 ALA A 74 43.17 -149.96 REMARK 500 PHE A 134 -38.83 -132.37 REMARK 500 ASN B 13 11.66 57.01 REMARK 500 ALA B 74 42.87 -150.93 REMARK 500 PHE B 134 -40.13 -131.17 REMARK 500 GLU B 191 -6.89 -48.26 REMARK 500 ILE B 222 46.25 -82.79 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG A 5 O REMARK 620 2 VAL A 8 O 97.1 REMARK 620 3 ASP A 10 OD2 162.7 99.9 REMARK 620 4 HOH A 431 O 88.6 89.9 88.0 REMARK 620 5 HOH A 465 O 104.0 91.7 78.9 166.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG B 5 O REMARK 620 2 VAL B 8 O 96.3 REMARK 620 3 ASP B 10 OD1 167.4 96.3 REMARK 620 4 HOH B 463 O 103.6 88.9 75.8 REMARK 620 5 HOH B 465 O 90.1 90.7 90.5 166.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3DU A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3DU B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3G18 RELATED DB: PDB REMARK 900 THE SAME PROTEIN UNCOMPLEXED DBREF 4NT0 A 1 228 UNP O26232 PYRF_METTH 1 228 DBREF 4NT0 B 1 228 UNP O26232 PYRF_METTH 1 228 SEQADV 4NT0 PRO A 101 UNP O26232 ARG 101 ENGINEERED MUTATION SEQADV 4NT0 PRO B 101 UNP O26232 ARG 101 ENGINEERED MUTATION SEQRES 1 A 228 MET ARG SER ARG ARG VAL ASP VAL MET ASP VAL MET ASN SEQRES 2 A 228 ARG LEU ILE LEU ALA MET ASP LEU MET ASN ARG ASP ASP SEQRES 3 A 228 ALA LEU ARG VAL THR GLY GLU VAL ARG GLU TYR ILE ASP SEQRES 4 A 228 THR VAL LYS ILE GLY TYR PRO LEU VAL LEU SER GLU GLY SEQRES 5 A 228 MET ASP ILE ILE ALA GLU PHE ARG LYS ARG PHE GLY CYS SEQRES 6 A 228 ARG ILE ILE ALA ASP PHE LYS VAL ALA ASP ILE PRO GLU SEQRES 7 A 228 THR ASN GLU LYS ILE CYS ARG ALA THR PHE LYS ALA GLY SEQRES 8 A 228 ALA ASP ALA ILE ILE VAL HIS GLY PHE PRO GLY ALA ASP SEQRES 9 A 228 SER VAL ARG ALA CYS LEU ASN VAL ALA GLU GLU MET GLY SEQRES 10 A 228 ARG GLU VAL PHE LEU LEU THR GLU MET SER HIS PRO GLY SEQRES 11 A 228 ALA GLU MET PHE ILE GLN GLY ALA ALA ASP GLU ILE ALA SEQRES 12 A 228 ARG MET GLY VAL ASP LEU GLY VAL LYS ASN TYR VAL GLY SEQRES 13 A 228 PRO SER THR ARG PRO GLU ARG LEU SER ARG LEU ARG GLU SEQRES 14 A 228 ILE ILE GLY GLN ASP SER PHE LEU ILE SER PRO GLY VAL SEQRES 15 A 228 GLY ALA GLN GLY GLY ASP PRO GLY GLU THR LEU ARG PHE SEQRES 16 A 228 ALA ASP ALA ILE ILE VAL GLY ARG SER ILE TYR LEU ALA SEQRES 17 A 228 ASP ASN PRO ALA ALA ALA ALA ALA GLY ILE ILE GLU SER SEQRES 18 A 228 ILE LYS ASP LEU LEU ASN PRO SEQRES 1 B 228 MET ARG SER ARG ARG VAL ASP VAL MET ASP VAL MET ASN SEQRES 2 B 228 ARG LEU ILE LEU ALA MET ASP LEU MET ASN ARG ASP ASP SEQRES 3 B 228 ALA LEU ARG VAL THR GLY GLU VAL ARG GLU TYR ILE ASP SEQRES 4 B 228 THR VAL LYS ILE GLY TYR PRO LEU VAL LEU SER GLU GLY SEQRES 5 B 228 MET ASP ILE ILE ALA GLU PHE ARG LYS ARG PHE GLY CYS SEQRES 6 B 228 ARG ILE ILE ALA ASP PHE LYS VAL ALA ASP ILE PRO GLU SEQRES 7 B 228 THR ASN GLU LYS ILE CYS ARG ALA THR PHE LYS ALA GLY SEQRES 8 B 228 ALA ASP ALA ILE ILE VAL HIS GLY PHE PRO GLY ALA ASP SEQRES 9 B 228 SER VAL ARG ALA CYS LEU ASN VAL ALA GLU GLU MET GLY SEQRES 10 B 228 ARG GLU VAL PHE LEU LEU THR GLU MET SER HIS PRO GLY SEQRES 11 B 228 ALA GLU MET PHE ILE GLN GLY ALA ALA ASP GLU ILE ALA SEQRES 12 B 228 ARG MET GLY VAL ASP LEU GLY VAL LYS ASN TYR VAL GLY SEQRES 13 B 228 PRO SER THR ARG PRO GLU ARG LEU SER ARG LEU ARG GLU SEQRES 14 B 228 ILE ILE GLY GLN ASP SER PHE LEU ILE SER PRO GLY VAL SEQRES 15 B 228 GLY ALA GLN GLY GLY ASP PRO GLY GLU THR LEU ARG PHE SEQRES 16 B 228 ALA ASP ALA ILE ILE VAL GLY ARG SER ILE TYR LEU ALA SEQRES 17 B 228 ASP ASN PRO ALA ALA ALA ALA ALA GLY ILE ILE GLU SER SEQRES 18 B 228 ILE LYS ASP LEU LEU ASN PRO HET 3DU A 301 21 HET CA A 302 1 HET PEG A 303 7 HET 3DU B 301 21 HET CA B 302 1 HETNAM 3DU 4-HYDROXY-1-(5-O-PHOSPHONO-BETA-D-RIBOFURANOSYL) HETNAM 2 3DU PYRIDIN-2(1H)-ONE HETNAM CA CALCIUM ION HETNAM PEG DI(HYDROXYETHYL)ETHER HETSYN 3DU 3-DEAZAURIDINE 5'-MONOPHOSPHATE FORMUL 3 3DU 2(C10 H14 N O9 P) FORMUL 4 CA 2(CA 2+) FORMUL 5 PEG C4 H10 O3 FORMUL 8 HOH *139(H2 O) HELIX 1 1 VAL A 11 ASN A 13 5 3 HELIX 2 2 ASN A 23 ARG A 35 1 13 HELIX 3 3 TYR A 45 GLY A 52 1 8 HELIX 4 4 MET A 53 GLY A 64 1 12 HELIX 5 5 ILE A 76 ALA A 90 1 15 HELIX 6 6 GLY A 102 GLY A 117 1 16 HELIX 7 7 HIS A 128 MET A 133 5 6 HELIX 8 8 PHE A 134 ASP A 148 1 15 HELIX 9 9 ARG A 160 GLY A 172 1 13 HELIX 10 10 GLU A 191 PHE A 195 5 5 HELIX 11 11 GLY A 202 LEU A 207 1 6 HELIX 12 12 ASN A 210 LYS A 223 1 14 HELIX 13 13 VAL B 11 ASN B 13 5 3 HELIX 14 14 ASN B 23 VAL B 34 1 12 HELIX 15 15 TYR B 45 GLY B 52 1 8 HELIX 16 16 MET B 53 GLY B 64 1 12 HELIX 17 17 ILE B 76 ALA B 90 1 15 HELIX 18 18 GLY B 102 GLY B 117 1 16 HELIX 19 19 HIS B 128 MET B 133 5 6 HELIX 20 20 PHE B 134 ASP B 148 1 15 HELIX 21 21 ARG B 160 GLY B 172 1 13 HELIX 22 22 GLY B 190 PHE B 195 5 6 HELIX 23 23 GLY B 202 LEU B 207 1 6 HELIX 24 24 ASN B 210 ILE B 222 1 13 SHEET 1 A 9 LEU A 15 MET A 19 0 SHEET 2 A 9 THR A 40 GLY A 44 1 O LYS A 42 N LEU A 17 SHEET 3 A 9 ARG A 66 VAL A 73 1 O ARG A 66 N VAL A 41 SHEET 4 A 9 ALA A 94 HIS A 98 1 O ALA A 94 N ALA A 69 SHEET 5 A 9 GLU A 119 LEU A 123 1 O PHE A 121 N ILE A 95 SHEET 6 A 9 ASN A 153 VAL A 155 1 O ASN A 153 N LEU A 122 SHEET 7 A 9 PHE A 176 SER A 179 1 O PHE A 176 N TYR A 154 SHEET 8 A 9 ALA A 198 VAL A 201 1 O ILE A 200 N SER A 179 SHEET 9 A 9 LEU A 15 MET A 19 1 N ILE A 16 O ILE A 199 SHEET 1 B 9 LEU B 15 MET B 19 0 SHEET 2 B 9 THR B 40 GLY B 44 1 O LYS B 42 N LEU B 17 SHEET 3 B 9 ARG B 66 VAL B 73 1 O ARG B 66 N VAL B 41 SHEET 4 B 9 ALA B 94 HIS B 98 1 O ALA B 94 N ALA B 69 SHEET 5 B 9 GLU B 119 LEU B 123 1 O PHE B 121 N ILE B 95 SHEET 6 B 9 ASN B 153 VAL B 155 1 O ASN B 153 N LEU B 122 SHEET 7 B 9 PHE B 176 SER B 179 1 O PHE B 176 N TYR B 154 SHEET 8 B 9 ALA B 198 VAL B 201 1 O ILE B 200 N SER B 179 SHEET 9 B 9 LEU B 15 MET B 19 1 N ILE B 16 O ILE B 199 LINK O ARG A 5 CA CA A 302 1555 1555 2.29 LINK O VAL A 8 CA CA A 302 1555 1555 2.26 LINK OD2 ASP A 10 CA CA A 302 1555 1555 2.25 LINK CA CA A 302 O HOH A 431 1555 1555 2.51 LINK CA CA A 302 O HOH A 465 1555 1555 2.71 LINK O ARG B 5 CA CA B 302 1555 1555 2.31 LINK O VAL B 8 CA CA B 302 1555 1555 2.24 LINK OD1 ASP B 10 CA CA B 302 1555 1555 2.27 LINK CA CA B 302 O HOH B 463 1555 1555 2.76 LINK CA CA B 302 O HOH B 465 1555 1555 2.48 SITE 1 AC1 20 ASP A 20 LYS A 42 ASP A 70 LYS A 72 SITE 2 AC1 20 MET A 126 SER A 127 PRO A 180 GLY A 202 SITE 3 AC1 20 ARG A 203 HOH A 419 HOH A 434 HOH A 435 SITE 4 AC1 20 HOH A 448 HOH A 452 HOH A 453 HOH A 460 SITE 5 AC1 20 HOH A 472 ASP B 75 ILE B 76 THR B 79 SITE 1 AC2 5 ARG A 5 VAL A 8 ASP A 10 HOH A 431 SITE 2 AC2 5 HOH A 465 SITE 1 AC3 8 GLY A 52 MET A 53 ASP A 54 HOH A 426 SITE 2 AC3 8 GLY B 52 MET B 53 ASP B 54 HOH B 421 SITE 1 AC4 17 ASP A 75 THR A 79 ASP B 20 LYS B 42 SITE 2 AC4 17 ASP B 70 LYS B 72 MET B 126 SER B 127 SITE 3 AC4 17 GLY B 202 ARG B 203 HOH B 413 HOH B 423 SITE 4 AC4 17 HOH B 426 HOH B 446 HOH B 448 HOH B 450 SITE 5 AC4 17 HOH B 457 SITE 1 AC5 5 ARG B 5 VAL B 8 ASP B 10 HOH B 463 SITE 2 AC5 5 HOH B 465 CRYST1 56.886 56.896 125.179 90.00 90.00 90.00 P 21 21 21 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 0.017579 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017576 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007989 0.00000