HEADER TRANSFERASE 10-AUG-98 1BO7 TITLE THYMIDYLATE SYNTHASE R179T MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.1.1.45; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LACTOBACILLUS CASEI; SOURCE 3 ORGANISM_TAXID: 1582; SOURCE 4 STRAIN: E. COLI CHI-2913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: CHI-2913; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PKPTSD; SOURCE 9 OTHER_DETAILS: SYNTHETIC GENE KEYWDS TRANSFERASE, METHYLTRANSFERASE, NUCLEOTIDE BIOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR R.MORSE,J.FINER-MOORE,R.M.STROUD REVDAT 9 16-OCT-24 1BO7 1 COMPND KEYWDS REMARK HET REVDAT 9 2 1 ATOM REVDAT 8 09-AUG-23 1BO7 1 REMARK REVDAT 7 03-NOV-21 1BO7 1 REMARK SEQADV REVDAT 6 13-JUL-11 1BO7 1 VERSN REVDAT 5 24-FEB-09 1BO7 1 VERSN REVDAT 4 01-APR-03 1BO7 1 JRNL REVDAT 3 04-FEB-00 1BO7 1 JRNL REVDAT 2 22-DEC-99 1BO7 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 19-AUG-98 1BO7 0 JRNL AUTH R.J.MORSE,S.KAWASE,D.V.SANTI,J.FINER-MOORE,R.M.STROUD JRNL TITL ENERGETIC CONTRIBUTIONS OF FOUR ARGININES TO JRNL TITL 2 PHOSPHATE-BINDING IN THYMIDYLATE SYNTHASE ARE MORE THAN JRNL TITL 3 ADDITIVE AND DEPEND ON OPTIMIZATION OF "EFFECTIVE CHARGE JRNL TITL 4 BALANCE". JRNL REF BIOCHEMISTRY V. 39 1011 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10653645 JRNL DOI 10.1021/BI9918590 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.M.STROUD,J.S.FINER-MOORE REMARK 1 TITL STEREOCHEMISTRY OF A MULTISTEP/BIPARTITE METHYL TRANSFER REMARK 1 TITL 2 REACTION: THYMIDYLATE SYNTHASE REMARK 1 REF FASEB J. V. 7 671 1993 REMARK 1 REFN ISSN 0892-6638 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.S.FINER-MOORE,E.B.FAUMAN,P.G.FOSTER,K.M.PERRY,D.V.SANTI, REMARK 1 AUTH 2 R.M.STROUD REMARK 1 TITL REFINED STRUCTURES OF SUBSTRATE-BOUND AND PHOSPHATE-BOUND REMARK 1 TITL 2 THYMIDYLATE SYNTHASE FROM LACTOBACILLUS CASEI REMARK 1 REF J.MOL.BIOL. V. 232 1101 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH L.W.HARDY,J.S.FINER-MOORE,W.R.MONTFORT,M.O.JONES,D.V.SANTI, REMARK 1 AUTH 2 R.M.STROUD REMARK 1 TITL ATOMIC STRUCTURE OF THYMIDYLATE SYNTHASE: TARGET FOR REMARK 1 TITL 2 RATIONAL DRUG DESIGN REMARK 1 REF SCIENCE V. 235 448 1987 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.4 REMARK 3 NUMBER OF REFLECTIONS : 16685 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) : 0.201 REMARK 3 FREE R VALUE : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1616 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.50 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1735 REMARK 3 BIN R VALUE (WORKING SET) : 0.3400 REMARK 3 BIN FREE R VALUE : 0.4010 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 194 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.026 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2589 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 55 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.41 REMARK 3 ESD FROM SIGMAA (A) : 0.46 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.46 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.370 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.530 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.290 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.030 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.930 ; 2.000 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM11.WAT REMARK 3 PARAMETER FILE 3 : PARAMED.LIG REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH11.WAT REMARK 3 TOPOLOGY FILE 3 : TOPO.DUMP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BO7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008118. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-95 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.0 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE MONOCHROMETER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17548 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 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 (%) : 96.2 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.07400 REMARK 200 R SYM (I) : 7.40000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: 1TDM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 80.30000 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 160.60000 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 120.45000 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 200.75000 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 40.15000 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 80.30000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 160.60000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 200.75000 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 120.45000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 40.15000 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: 4190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25990 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -120.45000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 318 LIES ON A SPECIAL POSITION. 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 A 201 CA - CB - CG ANGL. DEV. = 16.3 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 ASP A 15 52.33 -116.32 REMARK 500 GLU A 16 -24.78 -171.55 REMARK 500 PRO A 53 89.72 -68.69 REMARK 500 MET A 101 -0.32 53.36 REMARK 500 ALA A 152 48.28 -159.55 REMARK 500 ASP A 162 79.44 -101.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 U5P A 317 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC CYSTEINE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U5P A 317 DBREF 1BO7 A 1 316 UNP P00469 TYSY_LACCA 1 316 SEQADV 1BO7 THR A 179 UNP P00469 ARG 179 ENGINEERED MUTATION SEQRES 1 A 316 MET LEU GLU GLN PRO TYR LEU ASP LEU ALA LYS LYS VAL SEQRES 2 A 316 LEU ASP GLU GLY HIS PHE LYS PRO ASP ARG THR HIS THR SEQRES 3 A 316 GLY THR TYR SER ILE PHE GLY HIS GLN MET ARG PHE ASP SEQRES 4 A 316 LEU SER LYS GLY PHE PRO LEU LEU THR THR LYS LYS VAL SEQRES 5 A 316 PRO PHE GLY LEU ILE LYS SER GLU LEU LEU TRP PHE LEU SEQRES 6 A 316 HIS GLY ASP THR ASN ILE ARG PHE LEU LEU GLN HIS ARG SEQRES 7 A 316 ASN HIS ILE TRP ASP GLU TRP ALA PHE GLU LYS TRP VAL SEQRES 8 A 316 LYS SER ASP GLU TYR HIS GLY PRO ASP MET THR ASP PHE SEQRES 9 A 316 GLY HIS ARG SER GLN LYS ASP PRO GLU PHE ALA ALA VAL SEQRES 10 A 316 TYR HIS GLU GLU MET ALA LYS PHE ASP ASP ARG VAL LEU SEQRES 11 A 316 HIS ASP ASP ALA PHE ALA ALA LYS TYR GLY ASP LEU GLY SEQRES 12 A 316 LEU VAL TYR GLY SER GLN TRP ARG ALA TRP HIS THR SER SEQRES 13 A 316 LYS GLY ASP THR ILE ASP GLN LEU GLY ASP VAL ILE GLU SEQRES 14 A 316 GLN ILE LYS THR HIS PRO TYR SER ARG THR LEU ILE VAL SEQRES 15 A 316 SER ALA TRP ASN PRO GLU ASP VAL PRO THR MET ALA LEU SEQRES 16 A 316 PRO PRO CYS HIS THR LEU TYR GLN PHE TYR VAL ASN ASP SEQRES 17 A 316 GLY LYS LEU SER LEU GLN LEU TYR GLN ARG SER ALA ASP SEQRES 18 A 316 ILE PHE LEU GLY VAL PRO PHE ASN ILE ALA SER TYR ALA SEQRES 19 A 316 LEU LEU THR HIS LEU VAL ALA HIS GLU CYS GLY LEU GLU SEQRES 20 A 316 VAL GLY GLU PHE ILE HIS THR PHE GLY ASP ALA HIS LEU SEQRES 21 A 316 TYR VAL ASN HIS LEU ASP GLN ILE LYS GLU GLN LEU SER SEQRES 22 A 316 ARG THR PRO ARG PRO ALA PRO THR LEU GLN LEU ASN PRO SEQRES 23 A 316 ASP LYS HIS ASP ILE PHE ASP PHE ASP MET LYS ASP ILE SEQRES 24 A 316 LYS LEU LEU ASN TYR ASP PRO TYR PRO ALA ILE LYS ALA SEQRES 25 A 316 PRO VAL ALA VAL HET U5P A 317 20 HETNAM U5P URIDINE-5'-MONOPHOSPHATE FORMUL 2 U5P C9 H13 N2 O9 P FORMUL 3 HOH *55(H2 O) HELIX 1 1 LEU A 2 GLU A 16 5 15 HELIX 2 2 PHE A 54 LEU A 65 1 12 HELIX 3 3 ILE A 71 HIS A 77 5 7 HELIX 4 4 ASP A 83 VAL A 91 1 9 HELIX 5 5 PHE A 104 LYS A 110 1 7 HELIX 6 6 PHE A 114 HIS A 131 1 18 HELIX 7 7 ASP A 133 TYR A 139 1 7 HELIX 8 8 TYR A 146 ARG A 151 1 6 HELIX 9 9 GLN A 163 THR A 173 1 11 HELIX 10 10 PRO A 187 THR A 192 1 6 HELIX 11 11 VAL A 226 CYS A 244 1 19 HELIX 12 12 VAL A 262 SER A 273 5 12 HELIX 13 13 ILE A 291 ASP A 293 5 3 HELIX 14 14 MET A 296 ASP A 298 5 3 SHEET 1 A 4 HIS A 18 LYS A 20 0 SHEET 2 A 4 THR A 28 PHE A 32 -1 N SER A 30 O HIS A 18 SHEET 3 A 4 ASP A 257 TYR A 261 -1 N LEU A 260 O TYR A 29 SHEET 4 A 4 SER A 219 ASP A 221 1 N ALA A 220 O ASP A 257 SHEET 1 B 5 HIS A 34 ASP A 39 0 SHEET 2 B 5 GLU A 250 PHE A 255 -1 N PHE A 255 O HIS A 34 SHEET 3 B 5 LYS A 210 GLN A 217 1 N LEU A 213 O ILE A 252 SHEET 4 B 5 HIS A 199 ASN A 207 -1 N ASN A 207 O LYS A 210 SHEET 5 B 5 ILE A 181 SER A 183 -1 N VAL A 182 O TYR A 202 SHEET 1 C 2 THR A 281 LEU A 284 0 SHEET 2 C 2 ILE A 299 LEU A 302 -1 N LEU A 302 O THR A 281 SITE 1 CAT 1 CYS A 198 SITE 1 AC1 14 ARG A 23 ARG A 178 CYS A 198 HIS A 199 SITE 2 AC1 14 GLN A 217 ARG A 218 SER A 219 ALA A 220 SITE 3 AC1 14 ASP A 221 GLY A 225 ASN A 229 HIS A 259 SITE 4 AC1 14 TYR A 261 HOH A 362 CRYST1 78.700 78.700 240.900 90.00 90.00 120.00 P 61 2 2 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 0.012706 0.007336 0.000000 0.00000 SCALE2 0.000000 0.014672 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004151 0.00000