HEADER TRANSCRIPTION 16-JUN-16 5LBM TITLE THE ASYMMETRIC TETRAMERIC STRUCTURE OF THE FORMALDEHYDE SENSING TITLE 2 TRANSCRIPTIONAL REPRESSOR FRMR FROM ESCHERICHIA COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTIONAL REPRESSOR FRMR; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI O157:H7; SOURCE 3 ORGANISM_TAXID: 83334; SOURCE 4 GENE: FRMR, Z0457, ECS0412; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET22A KEYWDS CSOR/RCNR ESCHERICHIA COLI FRMR METHYLENE BRIDGE, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR C.BISSON,P.J.BAKER,J.GREEN,P.T.CHIVERS REVDAT 2 30-AUG-17 5LBM 1 REMARK REVDAT 1 21-DEC-16 5LBM 0 JRNL AUTH K.J.DENBY,J.IWIG,C.BISSON,J.WESTWOOD,M.D.ROLFE, JRNL AUTH 2 S.E.SEDELNIKOVA,K.HIGGINS,M.J.MARONEY,P.J.BAKER,P.T.CHIVERS, JRNL AUTH 3 J.GREEN JRNL TITL THE MECHANISM OF A FORMALDEHYDE-SENSING TRANSCRIPTIONAL JRNL TITL 2 REGULATOR. JRNL REF SCI REP V. 6 38879 2016 JRNL REFN ESSN 2045-2322 JRNL PMID 27934966 JRNL DOI 10.1038/SREP38879 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0151 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.25 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 10865 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) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 567 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.77 REMARK 3 REFLECTION IN BIN (WORKING SET) : 813 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2980 REMARK 3 BIN FREE R VALUE SET COUNT : 51 REMARK 3 BIN FREE R VALUE : 0.3850 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2744 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 79.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.39000 REMARK 3 B22 (A**2) : 0.39000 REMARK 3 B33 (A**2) : -1.26000 REMARK 3 B12 (A**2) : 0.19000 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.368 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.301 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 14.808 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2766 ; 0.012 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2748 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3708 ; 1.598 ; 1.979 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6270 ; 0.982 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 342 ; 4.688 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 144 ;34.686 ;22.778 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 524 ;15.804 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 44 ;15.764 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 428 ; 0.085 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3132 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 632 ; 0.002 ; 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): 1382 ; 3.528 ; 7.618 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1381 ; 3.527 ; 7.618 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1718 ; 5.554 ;11.410 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1719 ; 5.553 ;11.410 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1384 ; 3.719 ; 8.309 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1384 ; 3.719 ; 8.310 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1990 ; 6.167 ;12.233 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 3084 ; 8.491 ;90.556 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 3085 ; 8.490 ;90.569 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 : NULL 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 5LBM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-JUL-16. REMARK 100 THE DEPOSITION ID IS D_1200000476. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-FEB-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9763 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS, XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11450 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 55.250 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.49900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER, BUCCANEER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MGCL2, 0.1 M NA CACODYLATE PH REMARK 280 6.5 AND 31 % PEG 2000 PROTEIN BUFFERED IN: 50MM HEPES PH 7.5 AND REMARK 280 0.5 M NACL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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 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 18.41700 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 36.83400 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -98.0 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 PRO A 2 REMARK 465 SER A 3 REMARK 465 THR A 4 REMARK 465 PRO A 5 REMARK 465 GLU A 6 REMARK 465 GLU A 7 REMARK 465 LYS A 8 REMARK 465 MSE B 1 REMARK 465 PRO B 2 REMARK 465 SER B 3 REMARK 465 THR B 4 REMARK 465 PRO B 5 REMARK 465 GLU B 6 REMARK 465 GLU B 7 REMARK 465 LYS B 8 REMARK 465 MSE C 1 REMARK 465 MSE D 1 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 NH1 ARG B 19 OD1 ASP C 23 2.17 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 LYS A 10 40.45 -95.42 REMARK 500 ASP A 32 53.70 37.99 REMARK 500 CYS A 70 83.18 -151.52 REMARK 500 SER A 72 140.87 165.60 REMARK 500 SER B 72 142.79 174.06 REMARK 500 ASP C 32 48.29 -103.87 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 Di-peptide FOR A 101 and PRO D REMARK 800 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide FOR B 101 and PRO C REMARK 800 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide FOR B 101 and CYS B REMARK 800 35 DBREF 5LBM A 1 91 UNP Q8X5J3 FRMR_ECO57 1 91 DBREF 5LBM B 1 91 UNP Q8X5J3 FRMR_ECO57 1 91 DBREF 5LBM C 1 91 UNP Q8X5J3 FRMR_ECO57 1 91 DBREF 5LBM D 1 91 UNP Q8X5J3 FRMR_ECO57 1 91 SEQRES 1 A 91 MSE PRO SER THR PRO GLU GLU LYS LYS LYS VAL LEU THR SEQRES 2 A 91 ARG VAL ARG ARG ILE ARG GLY GLN ILE ASP ALA LEU GLU SEQRES 3 A 91 ARG SER LEU GLU GLY ASP ALA GLU CYS ARG ALA ILE LEU SEQRES 4 A 91 GLN GLN ILE ALA ALA VAL ARG GLY ALA ALA ASN GLY LEU SEQRES 5 A 91 MSE ALA GLU VAL LEU GLU SER HIS ILE ARG GLU THR PHE SEQRES 6 A 91 ASP ARG ASN ASP CYS TYR SER ARG GLU VAL SER GLN SER SEQRES 7 A 91 VAL ASP ASP THR ILE GLU LEU VAL ARG ALA TYR LEU LYS SEQRES 1 B 91 MSE PRO SER THR PRO GLU GLU LYS LYS LYS VAL LEU THR SEQRES 2 B 91 ARG VAL ARG ARG ILE ARG GLY GLN ILE ASP ALA LEU GLU SEQRES 3 B 91 ARG SER LEU GLU GLY ASP ALA GLU CYS ARG ALA ILE LEU SEQRES 4 B 91 GLN GLN ILE ALA ALA VAL ARG GLY ALA ALA ASN GLY LEU SEQRES 5 B 91 MSE ALA GLU VAL LEU GLU SER HIS ILE ARG GLU THR PHE SEQRES 6 B 91 ASP ARG ASN ASP CYS TYR SER ARG GLU VAL SER GLN SER SEQRES 7 B 91 VAL ASP ASP THR ILE GLU LEU VAL ARG ALA TYR LEU LYS SEQRES 1 C 91 MSE PRO SER THR PRO GLU GLU LYS LYS LYS VAL LEU THR SEQRES 2 C 91 ARG VAL ARG ARG ILE ARG GLY GLN ILE ASP ALA LEU GLU SEQRES 3 C 91 ARG SER LEU GLU GLY ASP ALA GLU CYS ARG ALA ILE LEU SEQRES 4 C 91 GLN GLN ILE ALA ALA VAL ARG GLY ALA ALA ASN GLY LEU SEQRES 5 C 91 MSE ALA GLU VAL LEU GLU SER HIS ILE ARG GLU THR PHE SEQRES 6 C 91 ASP ARG ASN ASP CYS TYR SER ARG GLU VAL SER GLN SER SEQRES 7 C 91 VAL ASP ASP THR ILE GLU LEU VAL ARG ALA TYR LEU LYS SEQRES 1 D 91 MSE PRO SER THR PRO GLU GLU LYS LYS LYS VAL LEU THR SEQRES 2 D 91 ARG VAL ARG ARG ILE ARG GLY GLN ILE ASP ALA LEU GLU SEQRES 3 D 91 ARG SER LEU GLU GLY ASP ALA GLU CYS ARG ALA ILE LEU SEQRES 4 D 91 GLN GLN ILE ALA ALA VAL ARG GLY ALA ALA ASN GLY LEU SEQRES 5 D 91 MSE ALA GLU VAL LEU GLU SER HIS ILE ARG GLU THR PHE SEQRES 6 D 91 ASP ARG ASN ASP CYS TYR SER ARG GLU VAL SER GLN SER SEQRES 7 D 91 VAL ASP ASP THR ILE GLU LEU VAL ARG ALA TYR LEU LYS MODRES 5LBM MSE A 53 MET MODIFIED RESIDUE MODRES 5LBM MSE B 53 MET MODIFIED RESIDUE MODRES 5LBM MSE C 53 MET MODIFIED RESIDUE MODRES 5LBM MSE D 53 MET MODIFIED RESIDUE HET MSE A 53 8 HET MSE B 53 8 HET MSE C 53 8 HET MSE D 53 8 HET FOR A 101 1 HET FOR B 101 1 HETNAM MSE SELENOMETHIONINE HETNAM FOR FORMYL GROUP FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 5 FOR 2(C H2 O) HELIX 1 AA1 LYS A 10 GLY A 31 1 22 HELIX 2 AA2 GLU A 34 ARG A 67 1 34 HELIX 3 AA3 SER A 72 LYS A 91 1 20 HELIX 4 AA4 LYS B 10 GLY B 31 1 22 HELIX 5 AA5 GLU B 34 ARG B 67 1 34 HELIX 6 AA6 SER B 72 LYS B 91 1 20 HELIX 7 AA7 THR C 4 GLY C 31 1 28 HELIX 8 AA8 GLU C 34 ASN C 68 1 35 HELIX 9 AA9 SER C 72 LEU C 90 1 19 HELIX 10 AB1 THR D 4 GLY D 31 1 28 HELIX 11 AB2 GLU D 34 ASN D 68 1 35 HELIX 12 AB3 SER D 72 LEU D 90 1 19 SSBOND 1 CYS A 70 CYS C 70 1555 1555 2.03 SSBOND 2 CYS B 70 CYS D 70 1555 1555 2.03 LINK SG CYS A 35 C FOR A 101 1555 1555 1.62 LINK C LEU A 52 N MSE A 53 1555 1555 1.33 LINK C MSE A 53 N ALA A 54 1555 1555 1.34 LINK SG CYS B 35 C FOR B 101 1555 1555 1.62 LINK C LEU B 52 N MSE B 53 1555 1555 1.33 LINK C MSE B 53 N ALA B 54 1555 1555 1.33 LINK N PRO C 2 C FOR B 101 1555 1555 1.27 LINK C LEU C 52 N MSE C 53 1555 1555 1.33 LINK C MSE C 53 N ALA C 54 1555 1555 1.35 LINK N PRO D 2 C FOR A 101 1555 1555 1.27 LINK C LEU D 52 N MSE D 53 1555 1555 1.33 LINK C MSE D 53 N ALA D 54 1555 1555 1.34 SITE 1 AC1 4 CYS A 35 SER D 3 THR D 4 GLU D 7 SITE 1 AC2 4 LEU B 29 CYS B 35 SER C 3 GLU C 7 SITE 1 AC3 7 GLU B 34 ARG B 36 ALA B 37 ILE B 38 SITE 2 AC3 7 LEU B 39 PRO C 2 HIS C 60 CRYST1 82.069 82.069 55.251 90.00 90.00 120.00 P 31 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 0.012185 0.007035 0.000000 0.00000 SCALE2 0.000000 0.014070 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018099 0.00000