HEADER TRANSCRIPTION 09-DEC-05 2FBK TITLE THE CRYSTAL STRUCTURE OF HUCR FROM DEINOCOCCUS RADIODURANS COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTIONAL REGULATOR, MARR FAMILY; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DEINOCOCCUS RADIODURANS; SOURCE 3 ORGANISM_TAXID: 1299; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET5-A KEYWDS WINGED-HELIX-TURN-HELIX, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR T.BORDELON,S.P.WILKINSON,A.GROVE,M.E.NEWCOMER REVDAT 5 14-FEB-24 2FBK 1 REMARK REVDAT 4 18-OCT-17 2FBK 1 REMARK REVDAT 3 24-FEB-09 2FBK 1 VERSN REVDAT 2 18-JUL-06 2FBK 1 JRNL REVDAT 1 04-JUL-06 2FBK 0 JRNL AUTH T.BORDELON,S.P.WILKINSON,A.GROVE,M.E.NEWCOMER JRNL TITL THE CRYSTAL STRUCTURE OF THE TRANSCRIPTIONAL REGULATOR HUCR JRNL TITL 2 FROM DEINOCOCCUS RADIODURANS REVEALS A REPRESSOR JRNL TITL 3 PRECONFIGURED FOR DNA BINDING. JRNL REF J.MOL.BIOL. V. 360 168 2006 JRNL REFN ISSN 0022-2836 JRNL PMID 16750221 JRNL DOI 10.1016/J.JMB.2006.05.005 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.96 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 180381.531 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.2 REMARK 3 NUMBER OF REFLECTIONS : 14014 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) : 0.239 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1371 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 : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1923 REMARK 3 BIN R VALUE (WORKING SET) : 0.3200 REMARK 3 BIN FREE R VALUE : 0.4160 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 239 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2386 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 187 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 52.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.14000 REMARK 3 B22 (A**2) : 6.14000 REMARK 3 B33 (A**2) : -12.27000 REMARK 3 B12 (A**2) : -0.96000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.30 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) : 0.44 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.46 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.780 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) : 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 : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 59.65 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 : PROTEIN.TOP REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN_REP.PARAM REMARK 3 TOPOLOGY FILE 2 : WATER_REP.PARAM REMARK 3 TOPOLOGY FILE 3 : ION.PARAM REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2FBK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-DEC-05. REMARK 100 THE DEPOSITION ID IS D_1000035683. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-AUG-04; NULL REMARK 200 TEMPERATURE (KELVIN) : 98; NULL REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; NULL REMARK 200 RADIATION SOURCE : CAMD; NULL REMARK 200 BEAMLINE : GCPCC; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.380, 0.9795, 0.9798, 0.9500; REMARK 200 NULL REMARK 200 MONOCHROMATOR : MULTILAYER; MULTILAYER REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14303 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 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 (%) : 98.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 12.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.0 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; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG 3350, 500 MM MGCL2, 100 MM BIS REMARK 280 -TRIS, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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 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 94.83333 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 189.66667 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 142.25000 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 237.08333 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 47.41667 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: 6770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15420 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -72.0 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 MET A 1 REMARK 465 SER A 2 REMARK 465 ALA A 3 REMARK 465 ARG A 4 REMARK 465 MET A 5 REMARK 465 ASP A 6 REMARK 465 ASN A 7 REMARK 465 GLN A 27 REMARK 465 GLY A 28 REMARK 465 PRO A 29 REMARK 465 ASP A 30 REMARK 465 SER A 31 REMARK 465 ASP A 32 REMARK 465 GLY A 33 REMARK 465 LEU A 34 REMARK 465 THR A 35 REMARK 465 ASP A 121 REMARK 465 GLU A 122 REMARK 465 ARG A 123 REMARK 465 ASP A 124 REMARK 465 ARG A 125 REMARK 465 ARG A 126 REMARK 465 SER A 127 REMARK 465 GLY A 180 REMARK 465 VAL A 181 REMARK 465 MET B 1 REMARK 465 SER B 2 REMARK 465 ALA B 3 REMARK 465 ARG B 4 REMARK 465 MET B 5 REMARK 465 ASP B 6 REMARK 465 ASN B 7 REMARK 465 GLN B 27 REMARK 465 GLY B 28 REMARK 465 PRO B 29 REMARK 465 ASP B 30 REMARK 465 SER B 31 REMARK 465 ASP B 32 REMARK 465 GLY B 33 REMARK 465 LEU B 34 REMARK 465 THR B 35 REMARK 465 ASP B 121 REMARK 465 GLU B 122 REMARK 465 ARG B 123 REMARK 465 ASP B 124 REMARK 465 ARG B 125 REMARK 465 ARG B 126 REMARK 465 SER B 127 REMARK 465 GLY B 180 REMARK 465 VAL B 181 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 PRO A 89 -26.09 -38.16 REMARK 500 ASN A 105 19.56 -141.00 REMARK 500 ARG A 119 64.30 -167.07 REMARK 500 SER A 129 130.85 -175.44 REMARK 500 LEU A 158 -155.32 -95.43 REMARK 500 GLN A 161 -27.88 68.84 REMARK 500 GLU A 178 57.36 -92.99 REMARK 500 PRO B 89 -26.09 -38.17 REMARK 500 ASN B 105 19.56 -141.01 REMARK 500 ARG B 119 64.43 -166.96 REMARK 500 SER B 129 130.78 -175.13 REMARK 500 LEU B 158 -155.34 -95.34 REMARK 500 GLN B 161 -27.93 68.84 REMARK 500 GLU B 178 57.45 -92.96 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 RESIDUE CL B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 202 DBREF 2FBK A 1 181 UNP Q9RV71 Q9RV71_DEIRA 1 181 DBREF 2FBK B 1 181 UNP Q9RV71 Q9RV71_DEIRA 1 181 SEQRES 1 A 181 MET SER ALA ARG MET ASP ASN ASP THR ALA ALA LEU LEU SEQRES 2 A 181 GLU ARG ILE ARG SER ASP TRP ALA ARG LEU ASN HIS GLY SEQRES 3 A 181 GLN GLY PRO ASP SER ASP GLY LEU THR PRO SER ALA GLY SEQRES 4 A 181 PRO MET LEU THR LEU LEU LEU LEU GLU ARG LEU HIS ALA SEQRES 5 A 181 ALA LEU GLY ARG GLU ILE GLU ARG THR TYR ALA ALA SER SEQRES 6 A 181 GLY LEU ASN ALA ALA GLY TRP ASP LEU LEU LEU THR LEU SEQRES 7 A 181 TYR ARG SER ALA PRO PRO GLU GLY LEU ARG PRO THR GLU SEQRES 8 A 181 LEU SER ALA LEU ALA ALA ILE SER GLY PRO SER THR SER SEQRES 9 A 181 ASN ARG ILE VAL ARG LEU LEU GLU LYS GLY LEU ILE GLU SEQRES 10 A 181 ARG ARG GLU ASP GLU ARG ASP ARG ARG SER ALA SER ILE SEQRES 11 A 181 ARG LEU THR PRO GLN GLY ARG ALA LEU VAL THR HIS LEU SEQRES 12 A 181 LEU PRO ALA HIS LEU ALA THR THR GLN ARG VAL LEU ALA SEQRES 13 A 181 PRO LEU SER ALA GLN GLU GLN ARG THR LEU GLU GLU LEU SEQRES 14 A 181 ALA GLY ARG MET LEU ALA GLY LEU GLU GLN GLY VAL SEQRES 1 B 181 MET SER ALA ARG MET ASP ASN ASP THR ALA ALA LEU LEU SEQRES 2 B 181 GLU ARG ILE ARG SER ASP TRP ALA ARG LEU ASN HIS GLY SEQRES 3 B 181 GLN GLY PRO ASP SER ASP GLY LEU THR PRO SER ALA GLY SEQRES 4 B 181 PRO MET LEU THR LEU LEU LEU LEU GLU ARG LEU HIS ALA SEQRES 5 B 181 ALA LEU GLY ARG GLU ILE GLU ARG THR TYR ALA ALA SER SEQRES 6 B 181 GLY LEU ASN ALA ALA GLY TRP ASP LEU LEU LEU THR LEU SEQRES 7 B 181 TYR ARG SER ALA PRO PRO GLU GLY LEU ARG PRO THR GLU SEQRES 8 B 181 LEU SER ALA LEU ALA ALA ILE SER GLY PRO SER THR SER SEQRES 9 B 181 ASN ARG ILE VAL ARG LEU LEU GLU LYS GLY LEU ILE GLU SEQRES 10 B 181 ARG ARG GLU ASP GLU ARG ASP ARG ARG SER ALA SER ILE SEQRES 11 B 181 ARG LEU THR PRO GLN GLY ARG ALA LEU VAL THR HIS LEU SEQRES 12 B 181 LEU PRO ALA HIS LEU ALA THR THR GLN ARG VAL LEU ALA SEQRES 13 B 181 PRO LEU SER ALA GLN GLU GLN ARG THR LEU GLU GLU LEU SEQRES 14 B 181 ALA GLY ARG MET LEU ALA GLY LEU GLU GLN GLY VAL HET CL A 202 1 HET CL B 201 1 HETNAM CL CHLORIDE ION FORMUL 3 CL 2(CL 1-) FORMUL 5 HOH *187(H2 O) HELIX 1 1 LEU A 12 ASN A 24 1 13 HELIX 2 2 ALA A 38 ALA A 64 1 27 HELIX 3 3 ASN A 68 ALA A 82 1 15 HELIX 4 4 ARG A 88 ALA A 96 1 9 HELIX 5 5 GLY A 100 SER A 104 5 5 HELIX 6 6 ASN A 105 LYS A 113 1 9 HELIX 7 7 THR A 133 ALA A 156 1 24 HELIX 8 8 GLN A 161 GLU A 178 1 18 HELIX 9 9 LEU B 12 ASN B 24 1 13 HELIX 10 10 ALA B 38 ALA B 64 1 27 HELIX 11 11 ASN B 68 ALA B 82 1 15 HELIX 12 12 ARG B 88 ALA B 96 1 9 HELIX 13 13 GLY B 100 SER B 104 5 5 HELIX 14 14 ASN B 105 LYS B 113 1 9 HELIX 15 15 THR B 133 ALA B 156 1 24 HELIX 16 16 GLN B 161 GLU B 178 1 18 SHEET 1 A 2 ILE A 116 GLU A 117 0 SHEET 2 A 2 ARG A 131 LEU A 132 -1 O ARG A 131 N GLU A 117 SHEET 1 B 2 ILE B 116 GLU B 117 0 SHEET 2 B 2 ARG B 131 LEU B 132 -1 O ARG B 131 N GLU B 117 SITE 1 AC1 3 TRP A 20 HOH A 212 ARG B 80 SITE 1 AC2 5 ARG A 80 HOH A 286 HOH A 290 TRP B 20 SITE 2 AC2 5 HOH B 217 CRYST1 44.991 44.991 284.500 90.00 90.00 120.00 P 61 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 0.022230 0.012830 0.000000 0.00000 SCALE2 0.000000 0.025670 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003510 0.00000