HEADER TRANSCRIPTION 11-OCT-04 1XQ3 TITLE CRYSTAL STRUCTURE OF THE HUMAN ANDROGEN RECEPTOR LIGAND BINDING DOMAIN TITLE 2 BOUND WITH R1881 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANDROGEN RECEPTOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGAND BINDING DOMAIN; COMPND 5 SYNONYM: DIHYDROTESTOSTERONE RECEPTOR; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: INHIBITED BY R1881 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: AR, NR3C4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET15B; SOURCE 11 OTHER_DETAILS: HUMAN AR LBD (663-919) WITH THROMBIN CLEAVABLE NH2- SOURCE 12 TERMINAL HIS TAG KEYWDS CRYSTAL STRUCTURE; HUMAN ANDROGEN RECEPTOR LIGAND BINDING DOMAIN; KEYWDS 2 R1881, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR B.HE,R.T.GAMPE JR.,A.J.KOLE,A.T.HNAT,T.B.STANLEY,G.AN,E.L.STEWART, AUTHOR 2 R.I.KALMAN,J.T.MINGES,E.M.WILSON REVDAT 3 23-AUG-23 1XQ3 1 REMARK REVDAT 2 24-FEB-09 1XQ3 1 VERSN REVDAT 1 16-NOV-04 1XQ3 0 JRNL AUTH B.HE,R.T.GAMPE JR.,A.J.KOLE,A.T.HNAT,T.B.STANLEY,G.AN, JRNL AUTH 2 E.L.STEWART,R.I.KALMAN,J.T.MINGES,E.M.WILSON JRNL TITL STRUCTURAL BASIS FOR ANDROGEN RECEPTOR INTERDOMAIN AND JRNL TITL 2 COACTIVATOR INTERACTIONS SUGGESTS A TRANSITION IN NUCLEAR JRNL TITL 3 RECEPTOR ACTIVATION FUNCTION DOMINANCE JRNL REF MOL.CELL V. 16 425 2004 JRNL REFN ISSN 1097-2765 JRNL PMID 15525515 JRNL DOI 10.1016/J.MOLCEL.2004.09.036 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 2000 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 270372.200 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 12871 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) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1326 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 12871 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1670 REMARK 3 BIN R VALUE (WORKING SET) : 0.2850 REMARK 3 BIN FREE R VALUE : 0.3420 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 189 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1988 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 77 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.26 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.810 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) : 0.850 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.510 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.210 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.900 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 38.55 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : R18_XPLOR_PAR.TXT REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XQ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-NOV-04. REMARK 100 THE DEPOSITION ID IS D_1000030633. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13364 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 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 (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 326.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.33 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : 0.37100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNX 2000 REMARK 200 STARTING MODEL: 1XOW.PDB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM BTP, 0.6-1.2M LISO4, PH 8.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 28.44200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.31500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.91800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.31500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.44200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.91800 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: MONOMERIC 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 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 CYS A 844 REMARK 465 LYS A 845 REMARK 465 ARG A 846 REMARK 465 LYS A 847 REMARK 465 ASN A 848 REMARK 465 PRO A 849 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 LEU A 768 69.71 -155.37 REMARK 500 PHE A 813 41.36 -103.86 REMARK 500 GLU A 893 -71.88 -42.85 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 R18 A 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1I37 RELATED DB: PDB REMARK 900 ANDROGEN RECEPTOR LBD BOUND WITH DHT REMARK 900 RELATED ID: 1E3G RELATED DB: PDB REMARK 900 ANDROGEN RECEPTOR LBD BOUND WITH R1881 REMARK 900 RELATED ID: 1XOW RELATED DB: PDB REMARK 900 RELATED ID: 1XQ2 RELATED DB: PDB DBREF 1XQ3 A 671 919 UNP P10275 ANDR_HUMAN 671 919 SEQRES 1 A 249 PRO ILE PHE LEU ASN VAL LEU GLU ALA ILE GLU PRO GLY SEQRES 2 A 249 VAL VAL CYS ALA GLY HIS ASP ASN ASN GLN PRO ASP SER SEQRES 3 A 249 PHE ALA ALA LEU LEU SER SER LEU ASN GLU LEU GLY GLU SEQRES 4 A 249 ARG GLN LEU VAL HIS VAL VAL LYS TRP ALA LYS ALA LEU SEQRES 5 A 249 PRO GLY PHE ARG ASN LEU HIS VAL ASP ASP GLN MET ALA SEQRES 6 A 249 VAL ILE GLN TYR SER TRP MET GLY LEU MET VAL PHE ALA SEQRES 7 A 249 MET GLY TRP ARG SER PHE THR ASN VAL ASN SER ARG MET SEQRES 8 A 249 LEU TYR PHE ALA PRO ASP LEU VAL PHE ASN GLU TYR ARG SEQRES 9 A 249 MET HIS LYS SER ARG MET TYR SER GLN CYS VAL ARG MET SEQRES 10 A 249 ARG HIS LEU SER GLN GLU PHE GLY TRP LEU GLN ILE THR SEQRES 11 A 249 PRO GLN GLU PHE LEU CYS MET LYS ALA LEU LEU LEU PHE SEQRES 12 A 249 SER ILE ILE PRO VAL ASP GLY LEU LYS ASN GLN LYS PHE SEQRES 13 A 249 PHE ASP GLU LEU ARG MET ASN TYR ILE LYS GLU LEU ASP SEQRES 14 A 249 ARG ILE ILE ALA CYS LYS ARG LYS ASN PRO THR SER CYS SEQRES 15 A 249 SER ARG ARG PHE TYR GLN LEU THR LYS LEU LEU ASP SER SEQRES 16 A 249 VAL GLN PRO ILE ALA ARG GLU LEU HIS GLN PHE THR PHE SEQRES 17 A 249 ASP LEU LEU ILE LYS SER HIS MET VAL SER VAL ASP PHE SEQRES 18 A 249 PRO GLU MET MET ALA GLU ILE ILE SER VAL GLN VAL PRO SEQRES 19 A 249 LYS ILE LEU SER GLY LYS VAL LYS PRO ILE TYR PHE HIS SEQRES 20 A 249 THR GLN HET R18 A1001 21 HETNAM R18 (17BETA)-17-HYDROXY-17-METHYLESTRA-4,9,11-TRIEN-3-ONE HETSYN R18 METHYLTRIENOLONE; 17BETA-HYDROXY-17METHYL- HETSYN 2 R18 19NORANDROSTA-4,9,11-TRIEN-3-ONE; R1881 FORMUL 2 R18 C19 H24 O2 FORMUL 3 HOH *77(H2 O) HELIX 1 1 PRO A 671 GLU A 681 1 11 HELIX 2 2 SER A 696 ALA A 721 1 26 HELIX 3 3 GLY A 724 LEU A 728 5 5 HELIX 4 4 HIS A 729 ASN A 758 1 30 HELIX 5 5 ASN A 771 SER A 778 1 8 HELIX 6 6 MET A 780 LEU A 797 1 18 HELIX 7 7 THR A 800 PHE A 813 1 14 HELIX 8 8 ASN A 823 ALA A 843 1 21 HELIX 9 9 THR A 850 LYS A 883 1 34 HELIX 10 10 LYS A 883 SER A 888 1 6 HELIX 11 11 PRO A 892 GLN A 902 1 11 HELIX 12 12 GLN A 902 SER A 908 1 7 SHEET 1 A 2 LEU A 762 ALA A 765 0 SHEET 2 A 2 LEU A 768 PHE A 770 -1 O PHE A 770 N LEU A 762 SHEET 1 B 2 ILE A 815 PRO A 817 0 SHEET 2 B 2 VAL A 911 PRO A 913 -1 O LYS A 912 N ILE A 816 SITE 1 AC1 10 HOH A 4 LEU A 701 LEU A 704 ASN A 705 SITE 2 AC1 10 GLN A 711 MET A 742 MET A 745 MET A 749 SITE 3 AC1 10 ARG A 752 THR A 877 CRYST1 56.884 65.836 72.630 90.00 90.00 90.00 P 21 21 21 4 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 0.017580 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015189 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013768 0.00000