HEADER DNA BINDING PROTEIN 05-MAR-07 2EH9 TITLE CRYSTAL STRUCTURE OF THE HBAF250B AT-RICH INTERACTION DOMAIN (ARID) COMPND MOL_ID: 1; COMPND 2 MOLECULE: AT-RICH INTERACTIVE DOMAIN-CONTAINING PROTEIN 1B; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: AT-RICH INTERACTION DOMAIN (ARID); COMPND 5 SYNONYM: ARID DOMAIN- CONTAINING PROTEIN 1B, OSA HOMOLOG 2, HOSA2, COMPND 6 P250R, BRG1-BINDING PROTEIN HELD/OSA1, BRG1-ASSOCIATED FACTOR 250B, COMPND 7 BAF250B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HBAF250B; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PX041105-20; SOURCE 8 OTHER_DETAILS: CELL-FREE PROTEIN SYNTHESIS KEYWDS DNA-BINDING DOMAIN, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON KEYWDS 2 PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL KEYWDS 3 GENOMICS/PROTEOMICS INITIATIVE, RSGI, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.NIWA,A.SHIMADA,S.YOKOYAMA,RIKEN STRUCTURAL GENOMICS/PROTEOMICS AUTHOR 2 INITIATIVE (RSGI) REVDAT 5 15-NOV-23 2EH9 1 REMARK REVDAT 4 25-OCT-23 2EH9 1 REMARK SEQADV REVDAT 3 13-JUL-11 2EH9 1 VERSN REVDAT 2 24-FEB-09 2EH9 1 VERSN REVDAT 1 11-MAR-08 2EH9 0 JRNL AUTH A.SHIMADA,H.NIWA,S.YOKOYAMA JRNL TITL CRYSTAL STRUCTURE OF THE HBAF250B AT-RICH INTERACTION DOMAIN JRNL TITL 2 (ARID) JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1252250.190 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.7 REMARK 3 NUMBER OF REFLECTIONS : 9285 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) : 0.197 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 471 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1178 REMARK 3 BIN R VALUE (WORKING SET) : 0.2550 REMARK 3 BIN FREE R VALUE : 0.2640 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 53 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 884 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 65 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.20000 REMARK 3 B22 (A**2) : 4.20000 REMARK 3 B33 (A**2) : -8.40000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.18 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.18 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.940 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) : 1.460 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.350 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.610 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.960 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 53.57 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_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2EH9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-APR-07. REMARK 100 THE DEPOSITION ID IS D_1000026662. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL26B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SI DOUBLE-CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9616 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 13.40 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 36.3000 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) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 81.7 REMARK 200 DATA REDUNDANCY IN SHELL : 7.20 REMARK 200 R MERGE FOR SHELL (I) : 0.36100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 2CXY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DNA(DCGCGAATTCGCG), 120MM MGCL2, 60MM REMARK 280 TRIS-HCL, 18% PEG4000, 20MM ZNCL2, PH 6.6, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 72.34350 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 21.44350 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 36.17175 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 21.44350 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 108.51525 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 21.44350 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 36.17175 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 21.44350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 21.44350 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 108.51525 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 72.34350 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 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2940 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -319.0 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 BIOMT1 2 0.000000 -1.000000 0.000000 42.88700 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 42.88700 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 72.34350 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 ZN ZN A 201 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 243 LIES ON A SPECIAL POSITION. 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 GLY A -5 REMARK 465 SER A -4 REMARK 465 SER A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 SER A 0 REMARK 465 GLY A 1 REMARK 465 GLU A 112 REMARK 465 VAL A 113 REMARK 465 PHE A 114 REMARK 465 SER A 115 REMARK 465 THR A 116 REMARK 465 GLY A 117 REMARK 465 ASP A 118 REMARK 465 THR A 119 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 207 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: HSK002001209.2 RELATED DB: TARGETDB DBREF 2EH9 A 1 119 UNP Q8NFD5 ARI1B_HUMAN 1041 1159 SEQADV 2EH9 GLY A -5 UNP Q8NFD5 EXPRESSION TAG SEQADV 2EH9 SER A -4 UNP Q8NFD5 EXPRESSION TAG SEQADV 2EH9 SER A -3 UNP Q8NFD5 EXPRESSION TAG SEQADV 2EH9 GLY A -2 UNP Q8NFD5 EXPRESSION TAG SEQADV 2EH9 SER A -1 UNP Q8NFD5 EXPRESSION TAG SEQADV 2EH9 SER A 0 UNP Q8NFD5 EXPRESSION TAG SEQRES 1 A 125 GLY SER SER GLY SER SER GLY GLU LYS ILE THR LYS VAL SEQRES 2 A 125 TYR GLU LEU GLY ASN GLU PRO GLU ARG LYS LEU TRP VAL SEQRES 3 A 125 ASP ARG TYR LEU THR PHE MSE GLU GLU ARG GLY SER PRO SEQRES 4 A 125 VAL SER SER LEU PRO ALA VAL GLY LYS LYS PRO LEU ASP SEQRES 5 A 125 LEU PHE ARG LEU TYR VAL CYS VAL LYS GLU ILE GLY GLY SEQRES 6 A 125 LEU ALA GLN VAL ASN LYS ASN LYS LYS TRP ARG GLU LEU SEQRES 7 A 125 ALA THR ASN LEU ASN VAL GLY THR SER SER SER ALA ALA SEQRES 8 A 125 SER SER LEU LYS LYS GLN TYR ILE GLN TYR LEU PHE ALA SEQRES 9 A 125 PHE GLU CYS LYS ILE GLU ARG GLY GLU GLU PRO PRO PRO SEQRES 10 A 125 GLU VAL PHE SER THR GLY ASP THR MODRES 2EH9 MSE A 27 MET SELENOMETHIONINE HET MSE A 27 8 HET ZN A 201 1 HET ZN A 202 1 HET ZN A 203 1 HET ZN A 204 1 HET CL A 205 1 HET CL A 206 1 HET CL A 207 1 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION HETNAM CL CHLORIDE ION FORMUL 1 MSE C5 H11 N O2 SE FORMUL 2 ZN 4(ZN 2+) FORMUL 6 CL 3(CL 1-) FORMUL 9 HOH *65(H2 O) HELIX 1 1 LYS A 3 GLU A 9 5 7 HELIX 2 2 GLU A 15 ARG A 30 1 16 HELIX 3 3 ASP A 46 GLY A 58 1 13 HELIX 4 4 GLY A 59 ASN A 66 1 8 HELIX 5 5 LYS A 68 LEU A 76 1 9 HELIX 6 6 SER A 81 LEU A 96 1 16 HELIX 7 7 LEU A 96 ARG A 105 1 10 SHEET 1 A 2 ALA A 39 VAL A 40 0 SHEET 2 A 2 LYS A 43 PRO A 44 -1 O LYS A 43 N VAL A 40 SITE 1 AC1 2 CYS A 53 GLU A 56 SITE 1 AC2 2 CYS A 53 GLU A 56 SITE 1 AC3 3 GLU A 29 LYS A 89 GLU A 108 SITE 1 AC4 4 ASP A 21 CYS A 101 ARG A 105 HOH A 208 SITE 1 AC5 2 CYS A 53 GLU A 56 SITE 1 AC6 3 GLU A 56 ASN A 75 LEU A 76 SITE 1 AC7 4 GLU A 29 ASN A 64 LYS A 89 HOH A 222 CRYST1 42.887 42.887 144.687 90.00 90.00 90.00 P 41 21 2 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 0.023317 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023317 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006911 0.00000