HEADER LYASE 21-OCT-10 3PBU TITLE CRYSTAL STRUCTURE OF THE MUTANT I96S OF OROTIDINE 5'-MONOPHOSPHATE TITLE 2 DECARBOXYLASE FROM METHANOBACTERIUM THERMOAUTOTROPHICUM COMPLEXED TITLE 3 WITH 6-AZAURIDINE 5'-MONOPHOSPHATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: OROTIDINE 5'-MONOPHOSPHATE 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: METHANOBACTERIUM THERMOAUTOTROPHICUM; SOURCE 3 ORGANISM_TAXID: 187420; SOURCE 4 STRAIN: DELTA H; SOURCE 5 GENE: PYRF, MTH_129; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TIM BARREL, OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE, 6-AZAURIDINE KEYWDS 2 5'-MONOPHOSPHATE, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR A.A.FEDOROV,E.V.FEDOROV,V.IIAMS,B.M.WOOD,J.A.GERLT,S.C.ALMO REVDAT 5 06-SEP-23 3PBU 1 REMARK SEQADV REVDAT 4 24-JAN-18 3PBU 1 AUTHOR REVDAT 3 19-OCT-11 3PBU 1 JRNL REVDAT 2 12-OCT-11 3PBU 1 JRNL REVDAT 1 21-SEP-11 3PBU 0 JRNL AUTH V.IIAMS,B.J.DESAI,A.A.FEDOROV,E.V.FEDOROV,S.C.ALMO,J.A.GERLT JRNL TITL MECHANISM OF THE OROTIDINE 5'-MONOPHOSPHATE JRNL TITL 2 DECARBOXYLASE-CATALYZED REACTION: IMPORTANCE OF RESIDUES IN JRNL TITL 3 THE OROTATE BINDING SITE. JRNL REF BIOCHEMISTRY V. 50 8497 2011 JRNL REFN ISSN 0006-2960 JRNL PMID 21870810 JRNL DOI 10.1021/BI2012355 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.5_2) 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.33 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 99507 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.224 REMARK 3 R VALUE (WORKING SET) : 0.223 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 4965 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 32.3435 - 4.0329 0.99 3334 190 0.1980 0.2258 REMARK 3 2 4.0329 - 3.2020 1.00 3317 170 0.1982 0.2084 REMARK 3 3 3.2020 - 2.7975 1.00 3289 172 0.2347 0.2609 REMARK 3 4 2.7975 - 2.5418 1.00 3299 163 0.2271 0.2379 REMARK 3 5 2.5418 - 2.3597 1.00 3292 151 0.2194 0.2430 REMARK 3 6 2.3597 - 2.2206 1.00 3237 182 0.2042 0.2051 REMARK 3 7 2.2206 - 2.1094 1.00 3291 189 0.2024 0.2371 REMARK 3 8 2.1094 - 2.0176 1.00 3264 175 0.2047 0.2354 REMARK 3 9 2.0176 - 1.9399 1.00 3244 169 0.2011 0.2508 REMARK 3 10 1.9399 - 1.8730 1.00 3284 173 0.2033 0.2376 REMARK 3 11 1.8730 - 1.8144 1.00 3266 167 0.2074 0.2349 REMARK 3 12 1.8144 - 1.7626 1.00 3249 190 0.2091 0.2475 REMARK 3 13 1.7626 - 1.7162 1.00 3265 158 0.2214 0.2432 REMARK 3 14 1.7162 - 1.6743 1.00 3262 194 0.2253 0.2461 REMARK 3 15 1.6743 - 1.6362 1.00 3285 162 0.2263 0.2916 REMARK 3 16 1.6362 - 1.6014 1.00 3277 158 0.2387 0.2427 REMARK 3 17 1.6014 - 1.5694 1.00 3234 169 0.2428 0.2707 REMARK 3 18 1.5694 - 1.5398 1.00 3250 171 0.2422 0.2759 REMARK 3 19 1.5398 - 1.5123 1.00 3266 171 0.2405 0.2563 REMARK 3 20 1.5123 - 1.4866 1.00 3268 175 0.2306 0.2346 REMARK 3 21 1.4866 - 1.4627 1.00 3229 180 0.2340 0.2459 REMARK 3 22 1.4627 - 1.4402 1.00 3294 160 0.2311 0.2957 REMARK 3 23 1.4402 - 1.4190 1.00 3265 166 0.2469 0.2526 REMARK 3 24 1.4190 - 1.3990 1.00 3193 189 0.2578 0.2892 REMARK 3 25 1.3990 - 1.3801 0.96 3134 160 0.2674 0.3150 REMARK 3 26 1.3801 - 1.3622 0.91 2949 161 0.2732 0.2983 REMARK 3 27 1.3622 - 1.3451 0.86 2787 146 0.2912 0.3289 REMARK 3 28 1.3451 - 1.3289 0.80 2625 131 0.2920 0.2825 REMARK 3 29 1.3289 - 1.3135 0.75 2429 130 0.2881 0.3131 REMARK 3 30 1.3135 - 1.2990 0.66 2164 93 0.3070 0.2903 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 : 0.41 REMARK 3 B_SOL : 59.26 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL 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) : -1.01640 REMARK 3 B22 (A**2) : 1.58170 REMARK 3 B33 (A**2) : -0.56530 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.44590 REMARK 3 B23 (A**2) : 0.00000 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 : 0.006 3478 REMARK 3 ANGLE : 1.104 4713 REMARK 3 CHIRALITY : 0.073 535 REMARK 3 PLANARITY : 0.006 624 REMARK 3 DIHEDRAL : 15.580 1343 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 3PBU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-OCT-10. REMARK 100 THE DEPOSITION ID IS D_1000062200. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-AUG-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97915 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 99507 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.299 REMARK 200 RESOLUTION RANGE LOW (A) : 32.334 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.3 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 (%): 42.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.1M SODIUM CITRATE, REMARK 280 0.2M AMMONIUM ACETATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293.0K 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 32.04400 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 REMARK 350 TOTAL BURIED SURFACE AREA: 4810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15570 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 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 ARG A 2 REMARK 465 SER A 3 REMARK 465 ARG A 4 REMARK 465 ARG A 5 REMARK 465 VAL A 6 REMARK 465 ASP A 7 REMARK 465 ASN A 227 REMARK 465 PRO A 228 REMARK 465 MET B 1 REMARK 465 ARG B 2 REMARK 465 SER B 3 REMARK 465 ARG B 4 REMARK 465 ARG B 5 REMARK 465 VAL B 6 REMARK 465 ASP B 7 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 17.92 56.37 REMARK 500 ASP A 39 12.09 -141.78 REMARK 500 ALA A 74 38.45 -147.31 REMARK 500 THR A 124 -76.35 -100.29 REMARK 500 PHE A 134 -45.13 -136.53 REMARK 500 ASN B 13 17.66 55.96 REMARK 500 ASP B 39 12.35 -141.52 REMARK 500 ALA B 74 38.97 -149.46 REMARK 500 THR B 124 -62.23 -102.17 REMARK 500 PHE B 134 -39.77 -133.46 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 UP6 A 229 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UP6 B 229 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3G18 RELATED DB: PDB REMARK 900 THE SAME PROTEIN WT APO REMARK 900 RELATED ID: 3LHW RELATED DB: PDB REMARK 900 RELATED ID: 3LTP RELATED DB: PDB REMARK 900 RELATED ID: 3LTS RELATED DB: PDB REMARK 900 RELATED ID: 3LTY RELATED DB: PDB REMARK 900 RELATED ID: 3LV5 RELATED DB: PDB REMARK 900 RELATED ID: 3LV6 RELATED DB: PDB REMARK 900 RELATED ID: 3NQ6 RELATED DB: PDB REMARK 900 RELATED ID: 3NQ7 RELATED DB: PDB REMARK 900 RELATED ID: 3NQA RELATED DB: PDB REMARK 900 RELATED ID: 3NQC RELATED DB: PDB REMARK 900 RELATED ID: 3NQD RELATED DB: PDB REMARK 900 RELATED ID: 3NQE RELATED DB: PDB REMARK 900 RELATED ID: 3NQF RELATED DB: PDB REMARK 900 RELATED ID: 3NQG RELATED DB: PDB REMARK 900 RELATED ID: 3NQM RELATED DB: PDB REMARK 900 RELATED ID: 3P5Y RELATED DB: PDB REMARK 900 RELATED ID: 3P5Z RELATED DB: PDB REMARK 900 RELATED ID: 3P60 RELATED DB: PDB REMARK 900 RELATED ID: 3P61 RELATED DB: PDB REMARK 900 RELATED ID: 3PBV RELATED DB: PDB REMARK 900 RELATED ID: 3PBW RELATED DB: PDB REMARK 900 RELATED ID: 3PBY RELATED DB: PDB REMARK 900 RELATED ID: 3PC0 RELATED DB: PDB REMARK 900 RELATED ID: 3SY5 RELATED DB: PDB REMARK 900 RELATED ID: 3SIZ RELATED DB: PDB DBREF 3PBU A 1 228 UNP O26232 PYRF_METTH 1 228 DBREF 3PBU B 1 228 UNP O26232 PYRF_METTH 1 228 SEQADV 3PBU SER A 96 UNP O26232 ILE 96 ENGINEERED MUTATION SEQADV 3PBU PRO A 101 UNP O26232 ARG 101 ENGINEERED MUTATION SEQADV 3PBU SER B 96 UNP O26232 ILE 96 ENGINEERED MUTATION SEQADV 3PBU 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 SER 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 SER 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 UP6 A 229 21 HET UP6 B 229 21 HETNAM UP6 6-AZA URIDINE 5'-MONOPHOSPHATE HETSYN UP6 6-AZA-UMP FORMUL 3 UP6 2(C8 H12 N3 O9 P) FORMUL 5 HOH *348(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 PHE A 63 1 11 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 GLY A 150 1 17 HELIX 9 9 ARG A 160 GLY A 172 1 13 HELIX 10 10 ASP A 188 LEU A 193 1 6 HELIX 11 11 GLY A 202 LEU A 207 1 6 HELIX 12 12 ASN A 210 ILE A 222 1 13 HELIX 13 13 LYS A 223 LEU A 226 5 4 HELIX 14 14 VAL B 11 ASN B 13 5 3 HELIX 15 15 ASN B 23 ARG B 35 1 13 HELIX 16 16 GLU B 36 ILE B 38 5 3 HELIX 17 17 TYR B 45 GLY B 52 1 8 HELIX 18 18 MET B 53 GLY B 64 1 12 HELIX 19 19 ILE B 76 ALA B 90 1 15 HELIX 20 20 GLY B 102 GLY B 117 1 16 HELIX 21 21 HIS B 128 MET B 133 5 6 HELIX 22 22 PHE B 134 GLY B 150 1 17 HELIX 23 23 ARG B 160 GLY B 172 1 13 HELIX 24 24 ASP B 188 LEU B 193 1 6 HELIX 25 25 GLY B 202 LEU B 207 1 6 HELIX 26 26 ASN B 210 ILE B 222 1 13 HELIX 27 27 LYS B 223 LEU B 226 5 4 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 LEU A 123 N VAL A 97 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 ILE A 178 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 LEU B 123 N VAL B 97 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 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 GLN A 185 SITE 3 AC1 20 GLY A 202 ARG A 203 HOH A 235 HOH A 247 SITE 4 AC1 20 HOH A 250 HOH A 252 HOH A 257 HOH A 264 SITE 5 AC1 20 HOH A 380 ASP B 75 ILE B 76 THR B 79 SITE 1 AC2 20 ASP A 75 ILE A 76 THR A 79 ASP B 20 SITE 2 AC2 20 LYS B 42 ASP B 70 LYS B 72 MET B 126 SITE 3 AC2 20 SER B 127 PRO B 180 GLN B 185 GLY B 202 SITE 4 AC2 20 ARG B 203 HOH B 233 HOH B 242 HOH B 244 SITE 5 AC2 20 HOH B 254 HOH B 269 HOH B 289 HOH B 353 CRYST1 59.788 64.088 61.599 90.00 115.60 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 0.016726 0.000000 0.008014 0.00000 SCALE2 0.000000 0.015604 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018001 0.00000