HEADER DNA BINDING PROTEIN 04-JUL-21 7F9H TITLE COMPLEX STRUCTURE OF ENRR-DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENRR REPRESSOR; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: TARGET DNA; COMPND 7 CHAIN: C, D; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EDWARDSIELLA PISCICIDA; SOURCE 3 ORGANISM_TAXID: 1263550; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 9 ORGANISM_TAXID: 32630 KEYWDS ENRR, REPRESSOR, DNA COMPLEX, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.H.GAN,Q.Y.WANG REVDAT 2 18-MAY-22 7F9H 1 REMARK REVDAT 1 11-MAY-22 7F9H 0 JRNL AUTH R.MA,Y.LIU,J.GAN,H.QIAO,J.MA,Y.ZHANG,Y.BU,S.SHAO,Y.ZHANG, JRNL AUTH 2 Q.WANG JRNL TITL XENOGENEIC NUCLEOID-ASSOCIATED ENRR THWARTS H-NS SILENCING JRNL TITL 2 OF BACTERIAL VIRULENCE WITH UNIQUE DNA BINDING. JRNL REF NUCLEIC ACIDS RES. V. 50 3777 2022 JRNL REFN ESSN 1362-4962 JRNL PMID 35325196 JRNL DOI 10.1093/NAR/GKAC180 REMARK 2 REMARK 2 RESOLUTION. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0135 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.63 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 36096 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) : 0.202 REMARK 3 R VALUE (WORKING SET) : 0.201 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1903 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) : 1.78 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.83 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2319 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.82 REMARK 3 BIN R VALUE (WORKING SET) : 0.2210 REMARK 3 BIN FREE R VALUE SET COUNT : 111 REMARK 3 BIN FREE R VALUE : 0.2290 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1155 REMARK 3 NUCLEIC ACID ATOMS : 898 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 228 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.59 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.01000 REMARK 3 B22 (A**2) : 0.01000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.107 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.102 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.061 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.886 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.938 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.920 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2194 ; 0.007 ; 0.015 REMARK 3 BOND LENGTHS OTHERS (A): 1667 ; 0.005 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3151 ; 1.309 ; 1.603 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3837 ; 1.390 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 144 ; 4.679 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 61 ;35.887 ;20.164 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 196 ;14.845 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 22 ;20.078 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 298 ; 0.074 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1859 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 505 ; 0.004 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7F9H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 05-JUL-21. REMARK 100 THE DEPOSITION ID IS D_1300023130. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-AUG-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97928 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38808 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 66.8 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL 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) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.84 REMARK 200 COMPLETENESS FOR SHELL (%) : 67.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.38300 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: SAD REMARK 200 SOFTWARE USED: AUTOSOL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350 AND POTASSIUM SULFATE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 52.11400 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.24500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 52.11400 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 29.24500 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7120 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13950 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -27.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 MSE A 1 REMARK 465 THR A 2 REMARK 465 ASN A 3 REMARK 465 SER A 4 REMARK 465 SER A 5 REMARK 465 ALA A 6 REMARK 465 LYS A 83 REMARK 465 LYS A 84 REMARK 465 THR A 85 REMARK 465 ASP A 86 REMARK 465 GLY A 87 REMARK 465 GLU A 88 REMARK 465 LYS A 89 REMARK 465 GLU A 90 REMARK 465 MSE B 1 REMARK 465 THR B 2 REMARK 465 ASN B 3 REMARK 465 SER B 4 REMARK 465 SER B 5 REMARK 465 ALA B 6 REMARK 465 SER B 7 REMARK 465 GLN B 8 REMARK 465 LYS B 9 REMARK 465 LYS B 10 REMARK 465 ARG B 11 REMARK 465 SER B 12 REMARK 465 LYS B 13 REMARK 465 GLY B 14 REMARK 465 LYS B 83 REMARK 465 LYS B 84 REMARK 465 THR B 85 REMARK 465 ASP B 86 REMARK 465 GLY B 87 REMARK 465 GLU B 88 REMARK 465 LYS B 89 REMARK 465 GLU B 90 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 ASN A 82 CG OD1 ND2 REMARK 470 ASN B 82 CG OD1 ND2 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 ARG B 40 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG B 40 NE - CZ - NH2 ANGL. DEV. = 3.5 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 TYR B 57 87.57 -150.19 REMARK 500 REMARK 500 REMARK: NULL DBREF 7F9H A 1 90 PDB 7F9H 7F9H 1 90 DBREF 7F9H B 1 90 PDB 7F9H 7F9H 1 90 DBREF 7F9H C 1 22 PDB 7F9H 7F9H 1 22 DBREF 7F9H D 1 22 PDB 7F9H 7F9H 1 22 SEQRES 1 A 90 MSE THR ASN SER SER ALA SER GLN LYS LYS ARG SER LYS SEQRES 2 A 90 GLY SER ALA GLN ASP TRP HIS ARG ALA ASP ILE VAL ALA SEQRES 3 A 90 ALA LEU HIS LYS ARG GLY ILE THR LEU ALA GLY LEU SER SEQRES 4 A 90 ARG ALA HIS GLY LEU ALA ALA ARG THR LEU SER ASN ALA SEQRES 5 A 90 MSE GLU ARG HIS TYR PRO ARG ALA GLU ARG LEU ILE ALA SEQRES 6 A 90 GLN ALA LEU ASP MSE ARG PRO GLU ASP ILE TRP PRO GLN SEQRES 7 A 90 ARG TYR ARG ASN LYS LYS THR ASP GLY GLU LYS GLU SEQRES 1 B 90 MSE THR ASN SER SER ALA SER GLN LYS LYS ARG SER LYS SEQRES 2 B 90 GLY SER ALA GLN ASP TRP HIS ARG ALA ASP ILE VAL ALA SEQRES 3 B 90 ALA LEU HIS LYS ARG GLY ILE THR LEU ALA GLY LEU SER SEQRES 4 B 90 ARG ALA HIS GLY LEU ALA ALA ARG THR LEU SER ASN ALA SEQRES 5 B 90 MSE GLU ARG HIS TYR PRO ARG ALA GLU ARG LEU ILE ALA SEQRES 6 B 90 GLN ALA LEU ASP MSE ARG PRO GLU ASP ILE TRP PRO GLN SEQRES 7 B 90 ARG TYR ARG ASN LYS LYS THR ASP GLY GLU LYS GLU SEQRES 1 C 22 DC DG DA DA DA DT DA DT CBR DT DA DT DA SEQRES 2 C 22 DG DA DT DA DT DT DT DC DG SEQRES 1 D 22 DC DG DA DA DA DT DA DT CBR DT DA DT DA SEQRES 2 D 22 DG DA DT DA DT DT DT DC DG HET MSE A 53 8 HET MSE A 70 8 HET MSE B 53 8 HET MSE B 70 8 HET CBR C 9 20 HET CBR D 9 20 HETNAM MSE SELENOMETHIONINE HETNAM CBR 5-BROMO-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 3 CBR 2(C9 H13 BR N3 O7 P) FORMUL 5 HOH *228(H2 O) HELIX 1 AA1 SER A 7 SER A 15 1 9 HELIX 2 AA2 HIS A 20 ARG A 31 1 12 HELIX 3 AA3 THR A 34 HIS A 42 1 9 HELIX 4 AA4 THR A 48 GLU A 54 5 7 HELIX 5 AA5 TYR A 57 LEU A 68 1 12 HELIX 6 AA6 ARG A 71 TRP A 76 1 6 HELIX 7 AA7 PRO A 77 ARG A 81 5 5 HELIX 8 AA8 HIS B 20 ARG B 31 1 12 HELIX 9 AA9 THR B 34 HIS B 42 1 9 HELIX 10 AB1 THR B 48 GLU B 54 5 7 HELIX 11 AB2 TYR B 57 LEU B 68 1 12 HELIX 12 AB3 ARG B 71 TRP B 76 1 6 HELIX 13 AB4 PRO B 77 ARG B 81 5 5 LINK C ALA A 52 N MSE A 53 1555 1555 1.33 LINK C MSE A 53 N GLU A 54 1555 1555 1.34 LINK C ASP A 69 N MSE A 70 1555 1555 1.33 LINK C MSE A 70 N ARG A 71 1555 1555 1.33 LINK C ALA B 52 N MSE B 53 1555 1555 1.34 LINK C MSE B 53 N GLU B 54 1555 1555 1.35 LINK C ASP B 69 N MSE B 70 1555 1555 1.33 LINK C MSE B 70 N ARG B 71 1555 1555 1.33 LINK O3' DT C 8 P CBR C 9 1555 1555 1.60 LINK O3' CBR C 9 P DT C 10 1555 1555 1.61 LINK O3' DT D 8 P CBR D 9 1555 1555 1.61 LINK O3' CBR D 9 P DT D 10 1555 1555 1.62 CRYST1 104.228 58.490 67.569 90.00 98.37 90.00 C 1 2 1 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 0.009594 0.000000 0.001411 0.00000 SCALE2 0.000000 0.017097 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014959 0.00000