HEADER HYDROLASE 18-JUN-07 2QBR TITLE CRYSTAL STRUCTURE OF PTP1B-INHIBITOR COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: TYROSINE-PROTEIN PHOSPHATASE DOMAIN, CATALYTIC DOMAIN; COMPND 5 SYNONYM: PROTEIN-TYROSINE PHOSPHATASE 1B, PTP-1B; COMPND 6 EC: 3.1.3.48; COMPND 7 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: PTPN1, PTP1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PROTEIN-INHIBITOR COMPLEX, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR W.XU REVDAT 3 21-FEB-24 2QBR 1 REMARK REVDAT 2 24-FEB-09 2QBR 1 VERSN REVDAT 1 18-MAR-08 2QBR 0 JRNL AUTH D.P.WILSON,Z.K.WAN,W.X.XU,S.J.KIRINCICH,B.C.FOLLOWS, JRNL AUTH 2 D.JOSEPH-MCCARTHY,K.FOREMAN,A.MORETTO,J.WU,M.ZHU,E.BINNUN, JRNL AUTH 3 Y.L.ZHANG,M.TAM,D.V.ERBE,J.TOBIN,X.XU,L.LEUNG,A.SHILLING, JRNL AUTH 4 S.Y.TAM,T.S.MANSOUR,J.LEE JRNL TITL STRUCTURE-BASED OPTIMIZATION OF PROTEIN TYROSINE PHOSPHATASE JRNL TITL 2 1B INHIBITORS: FROM THE ACTIVE SITE TO THE SECOND JRNL TITL 3 PHOSPHOTYROSINE BINDING SITE. JRNL REF J.MED.CHEM. V. 50 4681 2007 JRNL REFN ISSN 0022-2623 JRNL PMID 17705360 JRNL DOI 10.1021/JM0702478 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.F.MORETTO,S.J.KIRINCICH,W.X.XU,M.J.SMITH,Z.-K.WAN, REMARK 1 AUTH 2 D.P.WILSON,B.C.FOLLOWS,E.BINNUN,D.JOSEPH-MCCARTHY,K.FOREMAN, REMARK 1 AUTH 3 D.V.ERBE,Y.-L.ZHANG,S.K.TAM,S.Y.TAM,J.LEE REMARK 1 TITL BICYCLIC AND TRICYCLIC THIOPHENES AS PROTEIN TYROSINE REMARK 1 TITL 2 PHOSPHATASE 1B INHIBITOR REMARK 1 REF BIOORG.MED.CHEM. V. 14 2162 2006 REMARK 1 REFN ISSN 0968-0896 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) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 20583 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) : 0.200 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 996 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2435 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 207 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2QBR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1000043399. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-APR-02 REMARK 200 TEMPERATURE (KELVIN) : 113.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : ADSC REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20583 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT 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 (%): 64.19 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 17% PEG 4000, 0.15M MGCL2, 0.1M HEPES, REMARK 280 PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 278K, PH 7.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 34.94200 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 69.88400 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 69.88400 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 34.94200 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 MET A 1 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 ASP A 63 -76.09 -56.35 REMARK 500 CYS A 215 -128.77 -125.03 REMARK 500 ILE A 219 -35.41 -139.89 REMARK 500 ILE A 261 117.60 78.90 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 910 A 800 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QBP RELATED DB: PDB REMARK 900 RELATED ID: 2QBQ RELATED DB: PDB REMARK 900 RELATED ID: 2QBS RELATED DB: PDB DBREF 2QBR A 1 299 UNP P18031 PTN1_HUMAN 1 299 SEQRES 1 A 299 MET GLU MET GLU LYS GLU PHE GLU GLN ILE ASP LYS SER SEQRES 2 A 299 GLY SER TRP ALA ALA ILE TYR GLN ASP ILE ARG HIS GLU SEQRES 3 A 299 ALA SER ASP PHE PRO CYS ARG VAL ALA LYS LEU PRO LYS SEQRES 4 A 299 ASN LYS ASN ARG ASN ARG TYR ARG ASP VAL SER PRO PHE SEQRES 5 A 299 ASP HIS SER ARG ILE LYS LEU HIS GLN GLU ASP ASN ASP SEQRES 6 A 299 TYR ILE ASN ALA SER LEU ILE LYS MET GLU GLU ALA GLN SEQRES 7 A 299 ARG SER TYR ILE LEU THR GLN GLY PRO LEU PRO ASN THR SEQRES 8 A 299 CYS GLY HIS PHE TRP GLU MET VAL TRP GLU GLN LYS SER SEQRES 9 A 299 ARG GLY VAL VAL MET LEU ASN ARG VAL MET GLU LYS GLY SEQRES 10 A 299 SER LEU LYS CYS ALA GLN TYR TRP PRO GLN LYS GLU GLU SEQRES 11 A 299 LYS GLU MET ILE PHE GLU ASP THR ASN LEU LYS LEU THR SEQRES 12 A 299 LEU ILE SER GLU ASP ILE LYS SER TYR TYR THR VAL ARG SEQRES 13 A 299 GLN LEU GLU LEU GLU ASN LEU THR THR GLN GLU THR ARG SEQRES 14 A 299 GLU ILE LEU HIS PHE HIS TYR THR THR TRP PRO ASP PHE SEQRES 15 A 299 GLY VAL PRO GLU SER PRO ALA SER PHE LEU ASN PHE LEU SEQRES 16 A 299 PHE LYS VAL ARG GLU SER GLY SER LEU SER PRO GLU HIS SEQRES 17 A 299 GLY PRO VAL VAL VAL HIS CYS SER ALA GLY ILE GLY ARG SEQRES 18 A 299 SER GLY THR PHE CYS LEU ALA ASP THR CYS LEU LEU LEU SEQRES 19 A 299 MET ASP LYS ARG LYS ASP PRO SER SER VAL ASP ILE LYS SEQRES 20 A 299 LYS VAL LEU LEU GLU MET ARG LYS PHE ARG MET GLY LEU SEQRES 21 A 299 ILE GLN THR ALA ASP GLN LEU ARG PHE SER TYR LEU ALA SEQRES 22 A 299 VAL ILE GLU GLY ALA LYS PHE ILE MET GLY ASP SER SER SEQRES 23 A 299 VAL GLN ASP GLN TRP LYS GLU LEU SER HIS GLU ASP LEU HET 910 A 800 28 HETNAM 910 5-[3-(BENZYLAMINO)PHENYL]-4-BROMO-3-(CARBOXYMETHOXY) HETNAM 2 910 THIOPHENE-2-CARBOXYLIC ACID FORMUL 2 910 C20 H16 BR N O5 S FORMUL 3 HOH *207(H2 O) HELIX 1 1 GLU A 2 SER A 13 1 12 HELIX 2 2 SER A 15 ALA A 27 1 13 HELIX 3 3 LEU A 37 ASN A 44 5 8 HELIX 4 4 THR A 91 GLN A 102 1 12 HELIX 5 5 SER A 187 SER A 201 1 15 HELIX 6 6 GLY A 220 LYS A 239 1 20 HELIX 7 7 ASP A 240 VAL A 244 5 5 HELIX 8 8 ASP A 245 ARG A 254 1 10 HELIX 9 9 THR A 263 MET A 282 1 20 HELIX 10 10 SER A 286 HIS A 296 1 11 SHEET 1 A 9 ARG A 56 LYS A 58 0 SHEET 2 A 9 TYR A 66 MET A 74 -1 O ALA A 69 N ILE A 57 SHEET 3 A 9 ARG A 79 THR A 84 -1 O TYR A 81 N ILE A 72 SHEET 4 A 9 VAL A 211 HIS A 214 1 O VAL A 213 N ILE A 82 SHEET 5 A 9 GLY A 106 MET A 109 1 N VAL A 108 O VAL A 212 SHEET 6 A 9 THR A 168 TYR A 176 1 O PHE A 174 N MET A 109 SHEET 7 A 9 TYR A 153 ASN A 162 -1 N THR A 154 O HIS A 175 SHEET 8 A 9 LEU A 140 ILE A 149 -1 N SER A 146 O GLN A 157 SHEET 9 A 9 MET A 133 PHE A 135 -1 N MET A 133 O LEU A 142 SHEET 1 B 2 MET A 114 GLU A 115 0 SHEET 2 B 2 SER A 118 LEU A 119 -1 O SER A 118 N GLU A 115 SITE 1 AC1 15 TYR A 46 ASP A 48 LYS A 120 PHE A 182 SITE 2 AC1 15 SER A 216 ALA A 217 ILE A 219 GLY A 220 SITE 3 AC1 15 ARG A 221 MET A 258 GLY A 259 GLN A 262 SITE 4 AC1 15 GLN A 266 HOH A 921 HOH A 922 CRYST1 88.946 88.946 104.826 90.00 90.00 120.00 P 31 2 1 6 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 0.011243 0.006491 0.000000 0.00000 SCALE2 0.000000 0.012982 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009540 0.00000