HEADER DNA BINDING PROTEIN 06-JUL-04 1TXY TITLE E. COLI PRIB COMPND MOL_ID: 1; COMPND 2 MOLECULE: PRIMOSOMAL REPLICATION PROTEIN N; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PRIB, B4201; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OB FOLD, DIMER, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.L.KECK,M.LOPPER,J.M.HOLTON REVDAT 4 13-JUL-11 1TXY 1 VERSN REVDAT 3 24-FEB-09 1TXY 1 VERSN REVDAT 2 15-MAR-05 1TXY 1 JRNL REVDAT 1 16-NOV-04 1TXY 0 JRNL AUTH M.LOPPER,J.M.HOLTON,J.L.KECK JRNL TITL CRYSTAL STRUCTURE OF PRIB, A COMPONENT OF THE ESCHERICHIA JRNL TITL 2 COLI REPLICATION RESTART PRIMOSOME JRNL REF STRUCTURE V. 12 1967 2004 JRNL REFN ISSN 0969-2126 JRNL PMID 15530361 JRNL DOI 10.1016/J.STR.2004.09.004 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 13288 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) : 0.260 REMARK 3 R VALUE (WORKING SET) : 0.259 REMARK 3 FREE R VALUE : 0.285 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 693 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 940 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE SET COUNT : 47 REMARK 3 BIN FREE R VALUE : 0.2480 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1375 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 140 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.37 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.01000 REMARK 3 B22 (A**2) : -0.16000 REMARK 3 B33 (A**2) : 1.18000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.241 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.196 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.149 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.173 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.913 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.903 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1401 ; 0.012 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1890 ; 1.147 ; 1.911 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 171 ; 4.188 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 252 ;17.493 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 219 ; 0.080 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1028 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 623 ; 0.292 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 174 ; 0.172 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL 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): 40 ; 0.317 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 8 ; 0.226 ; 0.500 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): 871 ; 0.874 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1413 ; 1.511 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 530 ; 2.417 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 477 ; 3.739 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : 3 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 100 REMARK 3 ORIGIN FOR THE GROUP (A): 31.0651 3.3444 9.7770 REMARK 3 T TENSOR REMARK 3 T11: 0.1015 T22: 0.0703 REMARK 3 T33: 0.0460 T12: 0.0045 REMARK 3 T13: -0.0239 T23: 0.0210 REMARK 3 L TENSOR REMARK 3 L11: 3.4119 L22: 2.4406 REMARK 3 L33: 1.3970 L12: 1.5780 REMARK 3 L13: 0.2030 L23: -0.5656 REMARK 3 S TENSOR REMARK 3 S11: -0.0636 S12: -0.0344 S13: 0.0904 REMARK 3 S21: -0.0499 S22: 0.0929 S23: 0.1097 REMARK 3 S31: 0.0717 S32: -0.0644 S33: -0.0293 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 98 REMARK 3 ORIGIN FOR THE GROUP (A): 48.8858 3.7898 16.6422 REMARK 3 T TENSOR REMARK 3 T11: 0.0341 T22: 0.0780 REMARK 3 T33: 0.1141 T12: -0.0110 REMARK 3 T13: -0.0486 T23: 0.0736 REMARK 3 L TENSOR REMARK 3 L11: 4.8656 L22: 4.3834 REMARK 3 L33: 3.7973 L12: 1.7927 REMARK 3 L13: -1.0267 L23: -1.6601 REMARK 3 S TENSOR REMARK 3 S11: 0.0035 S12: -0.3428 S13: -0.2676 REMARK 3 S21: 0.0658 S22: -0.3306 S23: -0.6679 REMARK 3 S31: -0.0379 S32: 0.1991 S33: 0.3271 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 105 A 190 REMARK 3 RESIDUE RANGE : B 105 B 158 REMARK 3 ORIGIN FOR THE GROUP (A): 38.2659 3.3215 12.1433 REMARK 3 T TENSOR REMARK 3 T11: 0.1407 T22: 0.0847 REMARK 3 T33: 0.0909 T12: -0.0163 REMARK 3 T13: -0.0201 T23: -0.0219 REMARK 3 L TENSOR REMARK 3 L11: 3.4861 L22: 1.4136 REMARK 3 L33: 1.1733 L12: 0.4611 REMARK 3 L13: 0.3783 L23: -1.0705 REMARK 3 S TENSOR REMARK 3 S11: 0.0812 S12: -0.0347 S13: -0.0099 REMARK 3 S21: -0.0142 S22: -0.0584 S23: 0.0181 REMARK 3 S31: 0.0662 S32: -0.0529 S33: -0.0228 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 : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TXY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-04. REMARK 100 THE RCSB ID CODE IS RCSB023017. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUN-04 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 8.5 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) : 1.0200, 0.9798, 0.9797 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16070 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 34.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 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) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 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: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, TRIS-HCL, PH 8.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 24.95100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.15200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.14700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.15200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.95100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.14700 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: 2710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 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 HIS A 81 REMARK 465 LYS A 82 REMARK 465 ALA A 83 REMARK 465 LYS A 84 REMARK 465 ASN A 85 REMARK 465 GLY A 86 REMARK 465 LEU A 87 REMARK 465 SER A 88 REMARK 465 ASP A 101 REMARK 465 SER A 102 REMARK 465 GLY A 103 REMARK 465 ASP A 104 REMARK 465 VAL B 19 REMARK 465 SER B 20 REMARK 465 PRO B 21 REMARK 465 SER B 22 REMARK 465 GLY B 23 REMARK 465 ILE B 24 REMARK 465 LYS B 82 REMARK 465 ALA B 83 REMARK 465 LYS B 84 REMARK 465 ASN B 85 REMARK 465 GLY B 86 REMARK 465 LEU B 87 REMARK 465 SER B 88 REMARK 465 LYS B 89 REMARK 465 LEU B 99 REMARK 465 ILE B 100 REMARK 465 ASP B 101 REMARK 465 SER B 102 REMARK 465 GLY B 103 REMARK 465 ASP B 104 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 B 59 66.80 -107.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 133 DISTANCE = 5.03 ANGSTROMS REMARK 525 HOH A 146 DISTANCE = 7.25 ANGSTROMS REMARK 525 HOH A 162 DISTANCE = 6.58 ANGSTROMS REMARK 525 HOH A 180 DISTANCE = 6.18 ANGSTROMS REMARK 525 HOH A 188 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH B 131 DISTANCE = 5.47 ANGSTROMS REMARK 525 HOH B 132 DISTANCE = 5.12 ANGSTROMS REMARK 525 HOH B 149 DISTANCE = 6.72 ANGSTROMS REMARK 525 HOH B 158 DISTANCE = 9.84 ANGSTROMS DBREF 1TXY A 2 104 UNP P07013 PRIB_ECOLI 1 103 DBREF 1TXY B 2 104 UNP P07013 PRIB_ECOLI 1 103 SEQADV 1TXY MSE A 1 UNP P07013 MET 0 INITIATING METHIONINE SEQADV 1TXY MSE A 50 UNP P07013 MET 49 MODIFIED RESIDUE SEQADV 1TXY MSE A 90 UNP P07013 MET 89 MODIFIED RESIDUE SEQADV 1TXY MSE B 1 UNP P07013 MET 0 INITIATING METHIONINE SEQADV 1TXY MSE B 50 UNP P07013 MET 49 MODIFIED RESIDUE SEQADV 1TXY MSE B 90 UNP P07013 MET 89 MODIFIED RESIDUE SEQRES 1 A 104 MSE THR ASN ARG LEU VAL LEU SER GLY THR VAL CYS ARG SEQRES 2 A 104 ALA PRO LEU ARG LYS VAL SER PRO SER GLY ILE PRO HIS SEQRES 3 A 104 CYS GLN PHE VAL LEU GLU HIS ARG SER VAL GLN GLU GLU SEQRES 4 A 104 ALA GLY PHE HIS ARG GLN ALA TRP CYS GLN MSE PRO VAL SEQRES 5 A 104 ILE VAL SER GLY HIS GLU ASN GLN ALA ILE THR HIS SER SEQRES 6 A 104 ILE THR VAL GLY SER ARG ILE THR VAL GLN GLY PHE ILE SEQRES 7 A 104 SER CYS HIS LYS ALA LYS ASN GLY LEU SER LYS MSE VAL SEQRES 8 A 104 LEU HIS ALA GLU GLN ILE GLU LEU ILE ASP SER GLY ASP SEQRES 1 B 104 MSE THR ASN ARG LEU VAL LEU SER GLY THR VAL CYS ARG SEQRES 2 B 104 ALA PRO LEU ARG LYS VAL SER PRO SER GLY ILE PRO HIS SEQRES 3 B 104 CYS GLN PHE VAL LEU GLU HIS ARG SER VAL GLN GLU GLU SEQRES 4 B 104 ALA GLY PHE HIS ARG GLN ALA TRP CYS GLN MSE PRO VAL SEQRES 5 B 104 ILE VAL SER GLY HIS GLU ASN GLN ALA ILE THR HIS SER SEQRES 6 B 104 ILE THR VAL GLY SER ARG ILE THR VAL GLN GLY PHE ILE SEQRES 7 B 104 SER CYS HIS LYS ALA LYS ASN GLY LEU SER LYS MSE VAL SEQRES 8 B 104 LEU HIS ALA GLU GLN ILE GLU LEU ILE ASP SER GLY ASP MODRES 1TXY MSE A 1 MET SELENOMETHIONINE MODRES 1TXY MSE A 50 MET SELENOMETHIONINE MODRES 1TXY MSE A 90 MET SELENOMETHIONINE MODRES 1TXY MSE B 1 MET SELENOMETHIONINE MODRES 1TXY MSE B 50 MET SELENOMETHIONINE MODRES 1TXY MSE B 90 MET SELENOMETHIONINE HET MSE A 1 8 HET MSE A 50 8 HET MSE A 90 8 HET MSE B 1 8 HET MSE B 50 8 HET MSE B 90 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 6(C5 H11 N O2 SE) FORMUL 3 HOH *140(H2 O) HELIX 1 1 ASN A 59 HIS A 64 1 6 HELIX 2 2 HIS B 57 GLN B 60 5 4 SHEET 1 A12 ASN A 3 VAL A 19 0 SHEET 2 A12 PRO A 25 GLU A 39 -1 O HIS A 26 N LYS A 18 SHEET 3 A12 PHE A 42 SER A 55 -1 O CYS A 48 N HIS A 33 SHEET 4 A12 VAL A 91 LEU A 99 1 O LEU A 92 N PRO A 51 SHEET 5 A12 ARG A 71 SER A 79 -1 N GLN A 75 O GLU A 95 SHEET 6 A12 ASN A 3 VAL A 19 -1 N LEU A 5 O GLY A 76 SHEET 7 A12 ASN B 3 ARG B 17 -1 O ARG B 4 N VAL A 6 SHEET 8 A12 ARG B 71 SER B 79 -1 O GLY B 76 N LEU B 5 SHEET 9 A12 VAL B 91 GLU B 98 -1 O GLU B 95 N GLN B 75 SHEET 10 A12 PHE B 42 SER B 55 1 N PRO B 51 O LEU B 92 SHEET 11 A12 HIS B 26 GLU B 39 -1 N GLU B 39 O PHE B 42 SHEET 12 A12 ASN B 3 ARG B 17 -1 N THR B 10 O GLU B 32 SSBOND 1 CYS A 48 CYS B 80 1555 1555 2.51 SSBOND 2 CYS A 80 CYS B 48 1555 1555 2.04 LINK C MSE A 1 N THR A 2 1555 1555 1.33 LINK C GLN A 49 N MSE A 50 1555 1555 1.32 LINK C MSE A 50 N PRO A 51 1555 1555 1.34 LINK C LYS A 89 N MSE A 90 1555 1555 1.34 LINK C MSE A 90 N VAL A 91 1555 1555 1.33 LINK C MSE B 1 N THR B 2 1555 1555 1.32 LINK C GLN B 49 N MSE B 50 1555 1555 1.32 LINK C MSE B 50 N PRO B 51 1555 1555 1.32 LINK C MSE B 90 N VAL B 91 1555 1555 1.34 CRYST1 49.902 60.294 66.304 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 0.020039 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016586 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015082 0.00000 HETATM 1 N MSE A 1 43.771 2.243 26.966 1.00 22.78 N HETATM 2 CA MSE A 1 42.429 2.829 27.241 1.00 22.00 C HETATM 3 C MSE A 1 41.699 3.217 25.968 1.00 21.68 C HETATM 4 O MSE A 1 40.755 2.536 25.529 1.00 20.94 O HETATM 5 CB MSE A 1 42.558 4.037 28.189 1.00 23.36 C HETATM 6 CG MSE A 1 43.228 5.252 27.549 1.00 24.66 C HETATM 7 SE MSE A 1 43.573 6.676 28.776 1.00 32.80 SE HETATM 8 CE MSE A 1 44.987 5.882 29.779 1.00 30.94 C