HEADER TRANSFERASE 02-MAR-06 2G8O OBSLTE 20-FEB-13 2G8O 4IW5 TITLE HIGH RESOLUTION STRUCTURE OF ESCHERICHIA COLI THYMIDYLATE SYNTHASE TITLE 2 TERNARY COMPLEX WITH DUMP AND A COFACTOR ANALOG, CB3717 COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: TS, TSASE; COMPND 5 EC: 2.1.1.45; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: THYA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: CHI2913RECA (THY-); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS METHYLTRANSFERASE, DUMP, ANTIFOLATE, HIGH-RESOLUTION, TERNARY KEYWDS 2 COMPLEX, BETA SHEET, ALPHA/BETA PROTEIN, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR Z.NEWBY,T.T.LEE,R.M.STROUD REVDAT 4 20-FEB-13 2G8O 1 OBSLTE REVDAT 3 13-JUL-11 2G8O 1 VERSN REVDAT 2 20-MAY-08 2G8O 1 JRNL VERSN REVDAT 1 14-MAR-06 2G8O 0 JRNL AUTH Z.NEWBY,T.T.LEE,R.J.MORSE,Y.LIU,L.LIU,P.VENKATRAMAN, JRNL AUTH 2 D.V.SANTI,J.S.FINER-MOORE,R.M.STROUD JRNL TITL THE ROLE OF PROTEIN DYNAMICS IN THYMIDYLATE SYNTHASE JRNL TITL 2 CATALYSIS: VARIANTS OF CONSERVED 2'-DEOXYURIDINE JRNL TITL 3 5'-MONOPHOSPHATE (DUMP)-BINDING TYR-261 JRNL REF BIOCHEMISTRY V. 45 7415 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16768437 JRNL DOI 10.1021/BI060152S REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.64 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 141198 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) : 0.152 REMARK 3 R VALUE (WORKING SET) : 0.150 REMARK 3 FREE R VALUE : 0.166 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 14035 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.33 REMARK 3 REFLECTION IN BIN (WORKING SET) : 8628 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.80 REMARK 3 BIN R VALUE (WORKING SET) : 0.2200 REMARK 3 BIN FREE R VALUE SET COUNT : 959 REMARK 3 BIN FREE R VALUE : 0.2560 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4306 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 110 REMARK 3 SOLVENT ATOMS : 593 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.24000 REMARK 3 B22 (A**2) : -0.24000 REMARK 3 B33 (A**2) : 0.36000 REMARK 3 B12 (A**2) : -0.12000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.051 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.045 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.025 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.274 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.972 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4626 ; 0.010 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 4024 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6294 ; 1.375 ; 1.968 REMARK 3 BOND ANGLES OTHERS (DEGREES): 9382 ; 0.817 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 538 ; 6.549 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 233 ;34.739 ;24.120 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 756 ;11.827 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 28 ;17.983 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 657 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5132 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 940 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 836 ; 0.217 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 4194 ; 0.188 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2227 ; 0.186 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 2440 ; 0.092 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 404 ; 0.135 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.132 ; 0.200 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 13 ; 0.108 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 65 ; 0.259 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 22 ; 0.129 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3530 ; 1.148 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1080 ; 0.402 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4368 ; 1.397 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2329 ; 1.963 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1925 ; 2.684 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 10744 ; 1.071 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 594 ; 4.335 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 8516 ; 2.230 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2G8O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-06. REMARK 100 THE RCSB ID CODE IS RCSB036827. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-FEB-04 REMARK 200 TEMPERATURE (KELVIN) : 173 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI (111) REMARK 200 OPTICS : DOUBLE CRYSTAL SI (111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 146174 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 45.640 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 9.400 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.1 REMARK 200 DATA REDUNDANCY IN SHELL : 7.20 REMARK 200 R MERGE FOR SHELL (I) : 0.60800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION AGAINST 1.44M NA REMARK 280 CITRATE, PH 7.4 (HEPES) FROM ENZYME SOLUTIONS WITH 5.2 MG/ML REMARK 280 PROTEIN,17MM KPO4, 3.3MM DTT, 3.3 MM DUMP, 3.3 MM CB3717, AND REMARK 280 EITHER 0.5% ETHYL ACETATE OR 4% N-PROPANOL, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.29000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 33.29000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 33.29000 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: THE BIOLOGICAL ASSEMBLY IS A HOMODIMER COMPRISED OF CHAINS REMARK 300 A AND B 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: 7890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 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 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 A 1150 O HOH A 1229 1.90 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 ALA A 100 58.28 -161.37 REMARK 500 PRO A 104 -8.69 -39.62 REMARK 500 ASP A 122 63.85 -153.36 REMARK 500 VAL B 93 -158.61 -86.59 REMARK 500 ALA B 100 54.44 -152.51 REMARK 500 ASP B 122 59.91 -142.71 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 UMP A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CB3 A 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UMP B 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CB3 B 904 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2G8M RELATED DB: PDB REMARK 900 E. COLI Y209W IN COMPLEX WITH DUMP AND CB3717 REMARK 900 RELATED ID: 2G86 RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261F-DUMP REMARK 900 RELATED ID: 2G8A RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261M-DUMP REMARK 900 RELATED ID: 2G89 RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261A-DUMP REMARK 900 RELATED ID: 2G8D RELATED DB: PDB REMARK 900 L. CASEI THYMIDYLATE SYNTHASE Y261W-DUMP REMARK 900 RELATED ID: 2G8X RELATED DB: PDB DBREF 2G8O A 1 264 UNP P0A884 TYSY_ECOLI 1 264 DBREF 2G8O B 1 264 UNP P0A884 TYSY_ECOLI 1 264 SEQADV 2G8O CXM A 1 UNP P0A884 MET 1 MODIFIED RESIDUE SEQADV 2G8O CXM B 1 UNP P0A884 MET 1 MODIFIED RESIDUE SEQRES 1 A 264 CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP SEQRES 2 A 264 GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR SEQRES 3 A 264 LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN SEQRES 4 A 264 ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU SEQRES 5 A 264 ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY SEQRES 6 A 264 ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR SEQRES 7 A 264 ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY SEQRES 8 A 264 PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO SEQRES 9 A 264 ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN SEQRES 10 A 264 GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL SEQRES 11 A 264 SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU SEQRES 12 A 264 ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP SEQRES 13 A 264 GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP SEQRES 14 A 264 VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA SEQRES 15 A 264 LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU SEQRES 16 A 264 VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU SEQRES 17 A 264 TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER SEQRES 18 A 264 ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG SEQRES 19 A 264 LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE SEQRES 20 A 264 GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA SEQRES 21 A 264 PRO VAL ALA ILE SEQRES 1 B 264 CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP SEQRES 2 B 264 GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR SEQRES 3 B 264 LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN SEQRES 4 B 264 ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU SEQRES 5 B 264 ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY SEQRES 6 B 264 ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR SEQRES 7 B 264 ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY SEQRES 8 B 264 PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO SEQRES 9 B 264 ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN SEQRES 10 B 264 GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL SEQRES 11 B 264 SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU SEQRES 12 B 264 ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP SEQRES 13 B 264 GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP SEQRES 14 B 264 VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA SEQRES 15 B 264 LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU SEQRES 16 B 264 VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU SEQRES 17 B 264 TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER SEQRES 18 B 264 ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG SEQRES 19 B 264 LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE SEQRES 20 B 264 GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA SEQRES 21 B 264 PRO VAL ALA ILE MODRES 2G8O CXM A 1 MET N-CARBOXYMETHIONINE MODRES 2G8O CXM B 1 MET N-CARBOXYMETHIONINE HET CXM A 1 11 HET CXM B 1 11 HET UMP A 901 20 HET CB3 A 902 35 HET UMP B 903 20 HET CB3 B 904 35 HETNAM CXM N-CARBOXYMETHIONINE HETNAM UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE HETNAM CB3 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID HETSYN UMP DUMP FORMUL 1 CXM 2(C6 H11 N O4 S) FORMUL 3 UMP 2(C9 H13 N2 O8 P) FORMUL 4 CB3 2(C24 H23 N5 O6) FORMUL 7 HOH *593(H2 O) HELIX 1 1 CXM A 1 GLY A 15 1 15 HELIX 2 2 GLN A 39 GLY A 41 5 3 HELIX 3 3 HIS A 51 GLY A 65 1 15 HELIX 4 4 ILE A 69 ASN A 75 1 7 HELIX 5 5 TRP A 80 ALA A 84 5 5 HELIX 6 6 VAL A 93 ALA A 100 1 8 HELIX 7 7 ASP A 110 ASP A 122 1 13 HELIX 8 8 ASN A 134 MET A 141 5 8 HELIX 9 9 LEU A 172 CYS A 192 1 21 HELIX 10 10 HIS A 212 SER A 221 1 10 HELIX 11 11 ARG A 243 GLU A 245 5 3 HELIX 12 12 CXM B 1 GLY B 15 1 15 HELIX 13 13 GLN B 39 GLY B 41 5 3 HELIX 14 14 HIS B 51 GLY B 65 1 15 HELIX 15 15 ILE B 69 ASN B 75 1 7 HELIX 16 16 TRP B 80 ALA B 84 5 5 HELIX 17 17 VAL B 93 ALA B 100 1 8 HELIX 18 18 ASP B 110 ASP B 122 1 13 HELIX 19 19 ASN B 134 MET B 141 5 8 HELIX 20 20 LEU B 172 CYS B 192 1 21 HELIX 21 21 HIS B 212 SER B 221 1 10 HELIX 22 22 ARG B 243 GLU B 245 5 3 SHEET 1 A 6 THR A 16 LYS A 18 0 SHEET 2 A 6 THR A 26 ASN A 37 -1 O THR A 26 N LYS A 18 SHEET 3 A 6 GLU A 195 TYR A 209 -1 O PHE A 199 N PHE A 36 SHEET 4 A 6 LYS A 158 ASP A 169 1 N GLN A 165 O THR A 202 SHEET 5 A 6 HIS A 147 ALA A 155 -1 N PHE A 149 O TYR A 164 SHEET 6 A 6 ILE A 129 SER A 131 -1 N VAL A 130 O PHE A 150 SHEET 1 B 2 TRP A 101 THR A 103 0 SHEET 2 B 2 ARG A 107 ILE A 109 -1 O ARG A 107 N THR A 103 SHEET 1 C 2 LYS A 229 ILE A 232 0 SHEET 2 C 2 PHE A 247 GLU A 250 -1 O GLU A 248 N ILE A 231 SHEET 1 D 6 THR B 16 LYS B 18 0 SHEET 2 D 6 THR B 26 ASN B 37 -1 O SER B 28 N THR B 16 SHEET 3 D 6 GLU B 195 TYR B 209 -1 O PHE B 199 N PHE B 36 SHEET 4 D 6 LYS B 158 ASP B 169 1 N GLN B 165 O THR B 202 SHEET 5 D 6 HIS B 147 ALA B 155 -1 N PHE B 149 O TYR B 164 SHEET 6 D 6 ILE B 129 SER B 131 -1 N VAL B 130 O PHE B 150 SHEET 1 E 2 TRP B 101 PRO B 102 0 SHEET 2 E 2 HIS B 108 ILE B 109 -1 O ILE B 109 N TRP B 101 SHEET 1 F 2 LYS B 229 ILE B 232 0 SHEET 2 F 2 PHE B 247 GLU B 250 -1 O GLU B 248 N ILE B 231 LINK SG CYS A 146 C6 UMP A 901 1555 1555 1.90 LINK SG CYS B 146 C6 UMP B 903 1555 1555 1.79 LINK C CXM A 1 N LYS A 2 1555 1555 1.32 LINK C CXM B 1 N LYS B 2 1555 1555 1.33 SITE 1 AC1 16 ARG A 21 CYS A 146 HIS A 147 GLN A 165 SITE 2 AC1 16 ARG A 166 SER A 167 CYS A 168 ASP A 169 SITE 3 AC1 16 ASN A 177 HIS A 207 TYR A 209 CB3 A 902 SITE 4 AC1 16 HOH A 923 HOH A 962 ARG B 126 ARG B 127 SITE 1 AC2 23 GLU A 58 ILE A 79 TRP A 80 TRP A 83 SITE 2 AC2 23 LEU A 143 ASP A 169 GLY A 173 PHE A 176 SITE 3 AC2 23 ASN A 177 TYR A 209 VAL A 262 ALA A 263 SITE 4 AC2 23 UMP A 901 HOH A 917 HOH A 934 HOH A 957 SITE 5 AC2 23 HOH A 964 HOH A 967 HOH A 980 HOH A1021 SITE 6 AC2 23 HOH A1035 HOH A1045 HOH A1179 SITE 1 AC3 16 ARG A 126 ARG A 127 ARG B 21 CYS B 146 SITE 2 AC3 16 HIS B 147 GLN B 165 ARG B 166 SER B 167 SITE 3 AC3 16 CYS B 168 ASP B 169 ASN B 177 HIS B 207 SITE 4 AC3 16 TYR B 209 CB3 B 904 HOH B 913 HOH B 917 SITE 1 AC4 24 GLU B 58 ILE B 79 TRP B 80 TRP B 83 SITE 2 AC4 24 LEU B 143 ASP B 169 GLY B 173 PHE B 176 SITE 3 AC4 24 ASN B 177 TYR B 209 ILE B 258 VAL B 262 SITE 4 AC4 24 ALA B 263 UMP B 903 HOH B 924 HOH B 933 SITE 5 AC4 24 HOH B 960 HOH B 962 HOH B 964 HOH B 966 SITE 6 AC4 24 HOH B 983 HOH B1007 HOH B1061 HOH B1116 CRYST1 125.410 125.410 66.580 90.00 90.00 120.00 P 63 12 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 0.007974 0.004604 0.000000 0.00000 SCALE2 0.000000 0.009207 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015020 0.00000 HETATM 1 N CXM A 1 103.749 19.951 8.648 1.00 11.79 N ANISOU 1 N CXM A 1 1520 1431 1528 -146 29 -89 N HETATM 2 CA CXM A 1 102.397 20.415 8.349 1.00 12.16 C ANISOU 2 CA CXM A 1 1580 1552 1488 -155 29 -57 C HETATM 3 CB CXM A 1 101.438 20.067 9.500 1.00 12.19 C ANISOU 3 CB CXM A 1 1520 1553 1557 -126 2 -22 C HETATM 4 CG CXM A 1 101.238 18.604 9.746 1.00 13.41 C ANISOU 4 CG CXM A 1 1755 1659 1678 -126 123 -26 C HETATM 5 SD CXM A 1 100.094 18.292 11.108 1.00 13.35 S ANISOU 5 SD CXM A 1 1801 1685 1586 -290 259 -47 S HETATM 6 CE CXM A 1 101.151 18.607 12.514 1.00 15.33 C ANISOU 6 CE CXM A 1 1826 1942 2054 -86 71 123 C HETATM 7 C CXM A 1 102.438 21.929 8.205 1.00 12.79 C ANISOU 7 C CXM A 1 1671 1631 1557 -82 -27 -19 C HETATM 8 O CXM A 1 103.232 22.591 8.868 1.00 12.15 O ANISOU 8 O CXM A 1 1603 1545 1467 -189 -15 -48 O HETATM 9 CN CXM A 1 104.264 18.801 8.222 1.00 11.79 C ANISOU 9 CN CXM A 1 1441 1590 1447 -161 94 -39 C HETATM 10 ON1 CXM A 1 105.455 18.564 8.567 1.00 11.53 O ANISOU 10 ON1 CXM A 1 1623 1497 1260 -51 40 -70 O HETATM 11 ON2 CXM A 1 103.572 17.959 7.599 1.00 11.46 O ANISOU 11 ON2 CXM A 1 1474 1555 1324 -220 142 -153 O