HEADER ISOMERASE 15-OCT-04 1XRU TITLE CRYSTAL STRUCTURE OF 5-KETO-4-DEOXYURONATE ISOMERASE FROM ESCHERICIA TITLE 2 COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: 4-DEOXY-L-THREO-5-HEXOSULOSE-URONATE KETOL-ISOMERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: 5-KETO-4-DEOXYURONATE ISOMERASE, DKI ISOMERASE; COMPND 5 EC: 5.3.1.17; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: KDUI; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS BETA BARREL, CUPIN, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR R.L.CROWTHER,M.M.GEORGIADIS REVDAT 6 13-NOV-24 1XRU 1 REMARK SEQADV LINK REVDAT 5 13-JUL-11 1XRU 1 VERSN REVDAT 4 24-FEB-09 1XRU 1 VERSN REVDAT 3 01-NOV-05 1XRU 1 JRNL REVDAT 2 27-SEP-05 1XRU 1 JRNL REVDAT 1 05-APR-05 1XRU 0 JRNL AUTH R.L.CROWTHER,M.M.GEORGIADIS JRNL TITL THE CRYSTAL STRUCTURE OF 5-KETO-4-DEOXYURONATE ISOMERASE JRNL TITL 2 FROM ESCHERICHIA COLI JRNL REF PROTEINS V. 61 680 2005 JRNL REFN ISSN 0887-3585 JRNL PMID 16152643 JRNL DOI 10.1002/PROT.20598 REMARK 2 REMARK 2 RESOLUTION. 1.94 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.94 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 51449 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2562 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 : 4374 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 457 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.21000 REMARK 3 B22 (A**2) : 0.21000 REMARK 3 B33 (A**2) : -0.40000 REMARK 3 B12 (A**2) : 0.61000 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.20 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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: NULL REMARK 4 REMARK 4 1XRU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-OCT-04. REMARK 100 THE DEPOSITION ID IS D_1000030693. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.980122, 0.979634, 0.979538 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51573 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.940 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07000 REMARK 200 FOR THE DATA SET : 9.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.20000 REMARK 200 FOR SHELL : 4.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, CALCIUM CHLORIDE, HEPES, PH REMARK 280 7, VAPOR DIFFUSION, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 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+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 51.48600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 29.72546 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 58.95400 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 51.48600 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 29.72546 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 58.95400 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 51.48600 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 29.72546 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 58.95400 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 59.45091 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 117.90800 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 59.45091 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 117.90800 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 59.45091 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 117.90800 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 HEXAMER GENERATED FROM THE REMARK 300 DIMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS: -Y, X-Y, Z AND Y-X, REMARK 300 -X, Z. 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PQS 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 102.97200 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 51.48600 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 89.17637 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 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 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 -0.500000 -0.866025 0.000000 102.97200 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 ALA A 279 REMARK 465 ALA B 279 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 62 CG CD OE1 OE2 REMARK 470 ALA A 273 CB REMARK 470 ASP B 119 CG OD1 OD2 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 ILE A 53 -70.60 -126.06 REMARK 500 GLU A 146 -9.63 -57.25 REMARK 500 SER A 148 79.88 55.82 REMARK 500 GLN A 176 -10.43 -151.34 REMARK 500 GLU A 225 54.61 -140.62 REMARK 500 ILE B 53 -64.65 -122.12 REMARK 500 GLN B 176 -9.57 -148.32 REMARK 500 GLU B 225 52.01 -141.85 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 ZN A 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 196 NE2 REMARK 620 2 HIS A 198 NE2 109.7 REMARK 620 3 GLU A 203 OE1 113.8 115.7 REMARK 620 4 HIS A 245 NE2 105.2 106.9 104.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 196 NE2 REMARK 620 2 HIS B 198 NE2 112.3 REMARK 620 3 GLU B 203 OE2 113.1 116.1 REMARK 620 4 HIS B 245 NE2 105.6 105.6 102.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE B 504 REMARK 999 REMARK 999 SEQUENCE AUTHOR STATES THAT THE C-TERMINAL DIFFERENCES FROM REMARK 999 DATABASE SEQUENCE IS A NEUTRAL DESIGNATION. THE C-TERMINAL REMARK 999 SEQUENCE REPORTED HERE IS INDEED CORRECT FOR THE GENE THAT WAS REMARK 999 CLONED AND FOR PROTEIN THAT WAS CRYSTALLIZED. DBREF 1XRU A 1 278 UNP Q46938 KDUI_ECOLI 1 278 DBREF 1XRU B 1 278 UNP Q46938 KDUI_ECOLI 1 278 SEQADV 1XRU GLY A -2 UNP Q46938 CLONING ARTIFACT SEQADV 1XRU SER A -1 UNP Q46938 CLONING ARTIFACT SEQADV 1XRU ALA A 0 UNP Q46938 CLONING ARTIFACT SEQADV 1XRU MSE A 37 UNP Q46938 MET 37 MODIFIED RESIDUE SEQADV 1XRU MSE A 51 UNP Q46938 MET 51 MODIFIED RESIDUE SEQADV 1XRU MSE A 179 UNP Q46938 MET 179 MODIFIED RESIDUE SEQADV 1XRU MSE A 193 UNP Q46938 MET 193 MODIFIED RESIDUE SEQADV 1XRU MSE A 202 UNP Q46938 MET 202 MODIFIED RESIDUE SEQADV 1XRU MSE A 210 UNP Q46938 MET 210 MODIFIED RESIDUE SEQADV 1XRU MSE A 219 UNP Q46938 MET 219 MODIFIED RESIDUE SEQADV 1XRU MSE A 220 UNP Q46938 MET 220 MODIFIED RESIDUE SEQADV 1XRU MSE A 231 UNP Q46938 MET 231 MODIFIED RESIDUE SEQADV 1XRU MSE A 259 UNP Q46938 MET 259 MODIFIED RESIDUE SEQADV 1XRU MSE A 269 UNP Q46938 MET 269 MODIFIED RESIDUE SEQADV 1XRU GLU A 276 UNP Q46938 ASP 276 SEE REMARK 999 SEQADV 1XRU ILE A 277 UNP Q46938 LEU 277 SEE REMARK 999 SEQADV 1XRU CYS A 278 UNP Q46938 ARG 278 SEE REMARK 999 SEQADV 1XRU ALA A 279 UNP Q46938 SEE REMARK 999 SEQADV 1XRU GLY B -2 UNP Q46938 CLONING ARTIFACT SEQADV 1XRU SER B -1 UNP Q46938 CLONING ARTIFACT SEQADV 1XRU ALA B 0 UNP Q46938 CLONING ARTIFACT SEQADV 1XRU MSE B 37 UNP Q46938 MET 37 MODIFIED RESIDUE SEQADV 1XRU MSE B 51 UNP Q46938 MET 51 MODIFIED RESIDUE SEQADV 1XRU MSE B 179 UNP Q46938 MET 179 MODIFIED RESIDUE SEQADV 1XRU MSE B 193 UNP Q46938 MET 193 MODIFIED RESIDUE SEQADV 1XRU MSE B 202 UNP Q46938 MET 202 MODIFIED RESIDUE SEQADV 1XRU MSE B 210 UNP Q46938 MET 210 MODIFIED RESIDUE SEQADV 1XRU MSE B 219 UNP Q46938 MET 219 MODIFIED RESIDUE SEQADV 1XRU MSE B 220 UNP Q46938 MET 220 MODIFIED RESIDUE SEQADV 1XRU MSE B 231 UNP Q46938 MET 231 MODIFIED RESIDUE SEQADV 1XRU MSE B 259 UNP Q46938 MET 259 MODIFIED RESIDUE SEQADV 1XRU MSE B 269 UNP Q46938 MET 269 MODIFIED RESIDUE SEQADV 1XRU GLU B 276 UNP Q46938 ASP 276 SEE REMARK 999 SEQADV 1XRU ILE B 277 UNP Q46938 LEU 277 SEE REMARK 999 SEQADV 1XRU CYS B 278 UNP Q46938 ARG 278 SEE REMARK 999 SEQADV 1XRU ALA B 279 UNP Q46938 SEE REMARK 999 SEQRES 1 A 282 GLY SER ALA MET ASP VAL ARG GLN SER ILE HIS SER ALA SEQRES 2 A 282 HIS ALA LYS THR LEU ASP THR GLN GLY LEU ARG ASN GLU SEQRES 3 A 282 PHE LEU VAL GLU LYS VAL PHE VAL ALA ASP GLU TYR THR SEQRES 4 A 282 MSE VAL TYR SER HIS ILE ASP ARG ILE ILE VAL GLY GLY SEQRES 5 A 282 ILE MSE PRO ILE THR LYS THR VAL SER VAL GLY GLY GLU SEQRES 6 A 282 VAL GLY LYS GLN LEU GLY VAL SER TYR PHE LEU GLU ARG SEQRES 7 A 282 ARG GLU LEU GLY VAL ILE ASN ILE GLY GLY ALA GLY THR SEQRES 8 A 282 ILE THR VAL ASP GLY GLN CYS TYR GLU ILE GLY HIS ARG SEQRES 9 A 282 ASP ALA LEU TYR VAL GLY LYS GLY ALA LYS GLU VAL VAL SEQRES 10 A 282 PHE ALA SER ILE ASP THR GLY THR PRO ALA LYS PHE TYR SEQRES 11 A 282 TYR ASN CYS ALA PRO ALA HIS THR THR TYR PRO THR LYS SEQRES 12 A 282 LYS VAL THR PRO ASP GLU VAL SER PRO VAL THR LEU GLY SEQRES 13 A 282 ASP ASN LEU THR SER ASN ARG ARG THR ILE ASN LYS TYR SEQRES 14 A 282 PHE VAL PRO ASP VAL LEU GLU THR CYS GLN LEU SER MSE SEQRES 15 A 282 GLY LEU THR GLU LEU ALA PRO GLY ASN LEU TRP ASN THR SEQRES 16 A 282 MSE PRO CYS HIS THR HIS GLU ARG ARG MSE GLU VAL TYR SEQRES 17 A 282 PHE TYR PHE ASN MSE ASP ASP ASP ALA CYS VAL PHE HIS SEQRES 18 A 282 MSE MSE GLY GLN PRO GLN GLU THR ARG HIS ILE VAL MSE SEQRES 19 A 282 HIS ASN GLU GLN ALA VAL ILE SER PRO SER TRP SER ILE SEQRES 20 A 282 HIS SER GLY VAL GLY THR LYS ALA TYR THR PHE ILE TRP SEQRES 21 A 282 GLY MSE VAL GLY GLU ASN GLN VAL PHE ASP ASP MSE ASP SEQRES 22 A 282 HIS VAL ALA VAL LYS GLU ILE CYS ALA SEQRES 1 B 282 GLY SER ALA MET ASP VAL ARG GLN SER ILE HIS SER ALA SEQRES 2 B 282 HIS ALA LYS THR LEU ASP THR GLN GLY LEU ARG ASN GLU SEQRES 3 B 282 PHE LEU VAL GLU LYS VAL PHE VAL ALA ASP GLU TYR THR SEQRES 4 B 282 MSE VAL TYR SER HIS ILE ASP ARG ILE ILE VAL GLY GLY SEQRES 5 B 282 ILE MSE PRO ILE THR LYS THR VAL SER VAL GLY GLY GLU SEQRES 6 B 282 VAL GLY LYS GLN LEU GLY VAL SER TYR PHE LEU GLU ARG SEQRES 7 B 282 ARG GLU LEU GLY VAL ILE ASN ILE GLY GLY ALA GLY THR SEQRES 8 B 282 ILE THR VAL ASP GLY GLN CYS TYR GLU ILE GLY HIS ARG SEQRES 9 B 282 ASP ALA LEU TYR VAL GLY LYS GLY ALA LYS GLU VAL VAL SEQRES 10 B 282 PHE ALA SER ILE ASP THR GLY THR PRO ALA LYS PHE TYR SEQRES 11 B 282 TYR ASN CYS ALA PRO ALA HIS THR THR TYR PRO THR LYS SEQRES 12 B 282 LYS VAL THR PRO ASP GLU VAL SER PRO VAL THR LEU GLY SEQRES 13 B 282 ASP ASN LEU THR SER ASN ARG ARG THR ILE ASN LYS TYR SEQRES 14 B 282 PHE VAL PRO ASP VAL LEU GLU THR CYS GLN LEU SER MSE SEQRES 15 B 282 GLY LEU THR GLU LEU ALA PRO GLY ASN LEU TRP ASN THR SEQRES 16 B 282 MSE PRO CYS HIS THR HIS GLU ARG ARG MSE GLU VAL TYR SEQRES 17 B 282 PHE TYR PHE ASN MSE ASP ASP ASP ALA CYS VAL PHE HIS SEQRES 18 B 282 MSE MSE GLY GLN PRO GLN GLU THR ARG HIS ILE VAL MSE SEQRES 19 B 282 HIS ASN GLU GLN ALA VAL ILE SER PRO SER TRP SER ILE SEQRES 20 B 282 HIS SER GLY VAL GLY THR LYS ALA TYR THR PHE ILE TRP SEQRES 21 B 282 GLY MSE VAL GLY GLU ASN GLN VAL PHE ASP ASP MSE ASP SEQRES 22 B 282 HIS VAL ALA VAL LYS GLU ILE CYS ALA MODRES 1XRU MSE A 37 MET SELENOMETHIONINE MODRES 1XRU MSE A 51 MET SELENOMETHIONINE MODRES 1XRU MSE A 179 MET SELENOMETHIONINE MODRES 1XRU MSE A 193 MET SELENOMETHIONINE MODRES 1XRU MSE A 202 MET SELENOMETHIONINE MODRES 1XRU MSE A 210 MET SELENOMETHIONINE MODRES 1XRU MSE A 219 MET SELENOMETHIONINE MODRES 1XRU MSE A 220 MET SELENOMETHIONINE MODRES 1XRU MSE A 231 MET SELENOMETHIONINE MODRES 1XRU MSE A 259 MET SELENOMETHIONINE MODRES 1XRU MSE A 269 MET SELENOMETHIONINE MODRES 1XRU MSE B 37 MET SELENOMETHIONINE MODRES 1XRU MSE B 51 MET SELENOMETHIONINE MODRES 1XRU MSE B 179 MET SELENOMETHIONINE MODRES 1XRU MSE B 193 MET SELENOMETHIONINE MODRES 1XRU MSE B 202 MET SELENOMETHIONINE MODRES 1XRU MSE B 210 MET SELENOMETHIONINE MODRES 1XRU MSE B 219 MET SELENOMETHIONINE MODRES 1XRU MSE B 220 MET SELENOMETHIONINE MODRES 1XRU MSE B 231 MET SELENOMETHIONINE MODRES 1XRU MSE B 259 MET SELENOMETHIONINE MODRES 1XRU MSE B 269 MET SELENOMETHIONINE HET MSE A 37 8 HET MSE A 51 8 HET MSE A 179 8 HET MSE A 193 8 HET MSE A 202 8 HET MSE A 210 8 HET MSE A 219 8 HET MSE A 220 8 HET MSE A 231 8 HET MSE A 259 8 HET MSE A 269 8 HET MSE B 37 8 HET MSE B 51 8 HET MSE B 179 8 HET MSE B 193 8 HET MSE B 202 8 HET MSE B 210 8 HET MSE B 219 8 HET MSE B 220 8 HET MSE B 231 8 HET MSE B 259 8 HET MSE B 269 8 HET ZN A 501 1 HET 1PE A 503 16 HET ZN B 502 1 HET 1PE B 504 16 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION HETNAM 1PE PENTAETHYLENE GLYCOL HETSYN 1PE PEG400 FORMUL 1 MSE 22(C5 H11 N O2 SE) FORMUL 3 ZN 2(ZN 2+) FORMUL 4 1PE 2(C10 H22 O6) FORMUL 7 HOH *457(H2 O) HELIX 1 1 HIS A 8 LYS A 13 1 6 HELIX 2 2 ASP A 16 PHE A 24 1 9 HELIX 3 3 GLY A 60 LEU A 67 1 8 HELIX 4 4 THR A 143 SER A 148 1 6 HELIX 5 5 ASP A 154 SER A 158 5 5 HELIX 6 6 ALA A 273 CYS A 278 1 6 HELIX 7 7 HIS B 8 LYS B 13 1 6 HELIX 8 8 ASP B 16 PHE B 24 1 9 HELIX 9 9 GLY B 60 LEU B 67 1 8 HELIX 10 10 THR B 143 VAL B 147 5 5 HELIX 11 11 ASP B 154 SER B 158 5 5 HELIX 12 12 ALA B 273 CYS B 278 1 6 SHEET 1 A 7 ASP A 2 ARG A 4 0 SHEET 2 A 7 VAL A 38 SER A 40 1 O TYR A 39 N ARG A 4 SHEET 3 A 7 ILE A 45 ILE A 50 -1 O VAL A 47 N VAL A 38 SHEET 4 A 7 PHE A 126 PRO A 132 -1 O CYS A 130 N ILE A 46 SHEET 5 A 7 ARG A 76 ASN A 82 -1 N GLU A 77 O ALA A 131 SHEET 6 A 7 ALA A 103 VAL A 106 -1 O VAL A 106 N LEU A 78 SHEET 7 A 7 LYS A 140 VAL A 142 -1 O LYS A 140 N TYR A 105 SHEET 1 B 7 LEU A 25 VAL A 26 0 SHEET 2 B 7 GLN A 235 SER A 239 -1 O ALA A 236 N VAL A 26 SHEET 3 B 7 ARG A 201 PHE A 208 -1 N TYR A 205 O VAL A 237 SHEET 4 B 7 THR A 254 GLY A 261 -1 O THR A 254 N PHE A 208 SHEET 5 B 7 SER A 178 LEU A 184 -1 N SER A 178 O MSE A 259 SHEET 6 B 7 ARG A 161 PHE A 167 -1 N ASN A 164 O LEU A 181 SHEET 7 B 7 VAL A 150 LEU A 152 -1 N VAL A 150 O ILE A 163 SHEET 1 C 4 VAL A 57 VAL A 59 0 SHEET 2 C 4 VAL A 113 SER A 117 -1 O PHE A 115 N VAL A 57 SHEET 3 C 4 GLY A 87 VAL A 91 -1 N THR A 90 O VAL A 114 SHEET 4 C 4 GLN A 94 ILE A 98 -1 O GLN A 94 N VAL A 91 SHEET 1 D 4 TRP A 190 ASN A 191 0 SHEET 2 D 4 ILE A 244 GLY A 249 -1 O GLY A 247 N ASN A 191 SHEET 3 D 4 VAL A 216 GLN A 222 -1 N MSE A 219 O SER A 246 SHEET 4 D 4 GLU A 225 MSE A 231 -1 O MSE A 231 N VAL A 216 SHEET 1 E 2 CYS A 195 THR A 197 0 SHEET 2 E 2 ASP A 270 VAL A 272 -1 O ASP A 270 N THR A 197 SHEET 1 F 7 ASP B 2 ARG B 4 0 SHEET 2 F 7 VAL B 38 SER B 40 1 O TYR B 39 N ARG B 4 SHEET 3 F 7 ILE B 45 ILE B 50 -1 O VAL B 47 N VAL B 38 SHEET 4 F 7 PHE B 126 PRO B 132 -1 O CYS B 130 N ILE B 46 SHEET 5 F 7 ARG B 76 ASN B 82 -1 N GLU B 77 O ALA B 131 SHEET 6 F 7 ALA B 103 VAL B 106 -1 O VAL B 106 N LEU B 78 SHEET 7 F 7 LYS B 140 VAL B 142 -1 O VAL B 142 N ALA B 103 SHEET 1 G 7 LEU B 25 VAL B 26 0 SHEET 2 G 7 GLN B 235 SER B 239 -1 O ALA B 236 N VAL B 26 SHEET 3 G 7 ARG B 201 PHE B 208 -1 N TYR B 205 O VAL B 237 SHEET 4 G 7 THR B 254 GLY B 261 -1 O THR B 254 N PHE B 208 SHEET 5 G 7 SER B 178 LEU B 184 -1 N THR B 182 O PHE B 255 SHEET 6 G 7 ARG B 161 PHE B 167 -1 N ASN B 164 O LEU B 181 SHEET 7 G 7 VAL B 150 LEU B 152 -1 N VAL B 150 O ILE B 163 SHEET 1 H 4 VAL B 57 VAL B 59 0 SHEET 2 H 4 VAL B 113 SER B 117 -1 O PHE B 115 N VAL B 57 SHEET 3 H 4 GLY B 87 VAL B 91 -1 N THR B 90 O VAL B 114 SHEET 4 H 4 GLN B 94 ILE B 98 -1 O GLN B 94 N VAL B 91 SHEET 1 I 2 CYS B 195 THR B 197 0 SHEET 2 I 2 ASP B 270 VAL B 272 -1 O ASP B 270 N THR B 197 SHEET 1 J 3 GLU B 225 MSE B 231 0 SHEET 2 J 3 VAL B 216 GLN B 222 -1 N MSE B 220 O ARG B 227 SHEET 3 J 3 ILE B 244 GLY B 249 -1 O SER B 246 N MSE B 219 LINK C THR A 36 N MSE A 37 1555 1555 1.32 LINK C MSE A 37 N VAL A 38 1555 1555 1.33 LINK C ILE A 50 N MSE A 51 1555 1555 1.33 LINK C MSE A 51 N PRO A 52 1555 1555 1.34 LINK C SER A 178 N MSE A 179 1555 1555 1.33 LINK C MSE A 179 N GLY A 180 1555 1555 1.33 LINK C THR A 192 N MSE A 193 1555 1555 1.33 LINK C MSE A 193 N PRO A 194 1555 1555 1.34 LINK C ARG A 201 N MSE A 202 1555 1555 1.33 LINK C MSE A 202 N GLU A 203 1555 1555 1.33 LINK C ASN A 209 N MSE A 210 1555 1555 1.33 LINK C MSE A 210 N ASP A 211 1555 1555 1.33 LINK C HIS A 218 N MSE A 219 1555 1555 1.33 LINK C MSE A 219 N MSE A 220 1555 1555 1.33 LINK C MSE A 220 N GLY A 221 1555 1555 1.33 LINK C VAL A 230 N MSE A 231 1555 1555 1.33 LINK C MSE A 231 N HIS A 232 1555 1555 1.33 LINK C GLY A 258 N MSE A 259 1555 1555 1.33 LINK C MSE A 259 N VAL A 260 1555 1555 1.33 LINK C ASP A 268 N MSE A 269 1555 1555 1.33 LINK C MSE A 269 N ASP A 270 1555 1555 1.33 LINK C THR B 36 N MSE B 37 1555 1555 1.32 LINK C MSE B 37 N VAL B 38 1555 1555 1.33 LINK C ILE B 50 N MSE B 51 1555 1555 1.33 LINK C MSE B 51 N PRO B 52 1555 1555 1.34 LINK C SER B 178 N MSE B 179 1555 1555 1.33 LINK C MSE B 179 N GLY B 180 1555 1555 1.33 LINK C THR B 192 N MSE B 193 1555 1555 1.33 LINK C MSE B 193 N PRO B 194 1555 1555 1.35 LINK C ARG B 201 N MSE B 202 1555 1555 1.33 LINK C MSE B 202 N GLU B 203 1555 1555 1.33 LINK C ASN B 209 N MSE B 210 1555 1555 1.33 LINK C MSE B 210 N ASP B 211 1555 1555 1.33 LINK C HIS B 218 N MSE B 219 1555 1555 1.33 LINK C MSE B 219 N MSE B 220 1555 1555 1.33 LINK C MSE B 220 N GLY B 221 1555 1555 1.33 LINK C VAL B 230 N MSE B 231 1555 1555 1.32 LINK C MSE B 231 N HIS B 232 1555 1555 1.33 LINK C GLY B 258 N MSE B 259 1555 1555 1.33 LINK C MSE B 259 N VAL B 260 1555 1555 1.33 LINK C ASP B 268 N MSE B 269 1555 1555 1.33 LINK C MSE B 269 N ASP B 270 1555 1555 1.33 LINK NE2 HIS A 196 ZN ZN A 501 1555 1555 2.23 LINK NE2 HIS A 198 ZN ZN A 501 1555 1555 2.08 LINK OE1 GLU A 203 ZN ZN A 501 1555 1555 1.88 LINK NE2 HIS A 245 ZN ZN A 501 1555 1555 2.04 LINK NE2 HIS B 196 ZN ZN B 502 1555 1555 2.22 LINK NE2 HIS B 198 ZN ZN B 502 1555 1555 2.07 LINK OE2 GLU B 203 ZN ZN B 502 1555 1555 1.91 LINK NE2 HIS B 245 ZN ZN B 502 1555 1555 2.08 CISPEP 1 MSE A 193 PRO A 194 0 0.01 CISPEP 2 MSE B 193 PRO B 194 0 0.03 SITE 1 AC1 4 HIS A 196 HIS A 198 GLU A 203 HIS A 245 SITE 1 AC2 4 HIS B 196 HIS B 198 GLU B 203 HIS B 245 SITE 1 AC3 6 ILE A 163 LYS A 165 VAL A 168 TRP A 257 SITE 2 AC3 6 PHE A 266 HOH A 712 SITE 1 AC4 7 ILE B 163 LYS B 165 VAL B 168 TRP B 257 SITE 2 AC4 7 PHE B 266 HOH B 682 HOH B 738 CRYST1 102.972 102.972 176.862 90.00 90.00 120.00 H 3 18 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 0.009711 0.005607 0.000000 0.00000 SCALE2 0.000000 0.011214 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005654 0.00000