PDB Short entry for 1LBA HEADER HYDROLASE(ACTING ON LINEAR AMIDES) 22-DEC-93 1LBA TITLE THE STRUCTURE OF BACTERIOPHAGE T7 LYSOZYME, A ZINC AMIDASE AND AN TITLE 2 INHIBITOR OF T7 RNA POLYMERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: T7 LYSOZYME; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.1.28; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T7; SOURCE 3 ORGANISM_TAXID: 10760; SOURCE 4 GENE: T7; SOURCE 5 EXPRESSION_SYSTEM_VECTOR_TYPE: T7; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: T7; SOURCE 7 EXPRESSION_SYSTEM_GENE: T7 KEYWDS HYDROLASE(ACTING ON LINEAR AMIDES) EXPDTA X-RAY DIFFRACTION AUTHOR X.CHENG REVDAT 3 14-FEB-24 1LBA 1 REMARK LINK REVDAT 2 24-FEB-09 1LBA 1 VERSN REVDAT 1 30-APR-94 1LBA 0 JRNL AUTH X.CHENG,X.ZHANG,J.W.PFLUGRATH,F.W.STUDIER JRNL TITL THE STRUCTURE OF BACTERIOPHAGE T7 LYSOZYME, A ZINC AMIDASE JRNL TITL 2 AND AN INHIBITOR OF T7 RNA POLYMERASE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 91 4034 1994 JRNL REFN ISSN 0027-8424 JRNL PMID 8171031 JRNL DOI 10.1073/PNAS.91.9.4034 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 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 : 6991 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 1150 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 26 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) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 3.300 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 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 1LBA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000174640. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.00000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 23.25000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.25000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.25000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.25000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 55.00000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.25000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 31.25000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 55.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.25000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 31.25000 REMARK 290 SMTRY3 8 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 17 NE2 HIS A 17 CD2 -0.093 REMARK 500 HIS A 47 NE2 HIS A 47 CD2 -0.067 REMARK 500 HIS A 122 NE2 HIS A 122 CD2 -0.088 REMARK 500 HIS A 123 NE2 HIS A 123 CD2 -0.067 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 30 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 TRP A 35 CD1 - CG - CD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 TRP A 35 CE2 - CD2 - CG ANGL. DEV. = -5.4 DEGREES REMARK 500 TRP A 41 CD1 - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 TRP A 41 CE2 - CD2 - CG ANGL. DEV. = -4.9 DEGREES REMARK 500 THR A 96 N - CA - CB ANGL. DEV. = -14.8 DEGREES REMARK 500 ARG A 104 NE - CZ - NH1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG A 104 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 HIS A 123 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 TRP A 138 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 138 CE2 - CD2 - CG ANGL. DEV. = -5.1 DEGREES REMARK 500 TRP A 139 CD1 - CG - CD2 ANGL. DEV. = 4.8 DEGREES 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 HIS A 68 -29.24 -142.16 REMARK 500 ASN A 75 43.84 -142.66 REMARK 500 GLU A 115 116.28 -27.61 REMARK 500 HIS A 123 -1.10 -56.72 REMARK 500 SER A 132 14.10 81.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 151 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 17 ND1 REMARK 620 2 HIS A 122 ND1 79.4 REMARK 620 3 CYS A 130 SG 109.1 127.3 REMARK 620 N 1 2 REMARK 700 REMARK 700 SHEET REMARK 700 BESIDES THE STRANDS REPRESENTED ON *S1* IN SHEET RECORDS REMARK 700 BELOW, THERE ARE OTHER STRANDS IN THIS STRUCTURE WHICH DO REMARK 700 NOT FORM ANY SHEETS. 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 151 DBREF 1LBA A 6 150 UNP P00806 NAAA_BPT7 6 150 SEQRES 1 A 146 ALA LYS GLN ARG GLU SER THR ASP ALA ILE PHE VAL HIS SEQRES 2 A 146 CYS SER ALA THR LYS PRO SER GLN ASN VAL GLY VAL ARG SEQRES 3 A 146 GLU ILE ARG GLN TRP HIS LYS GLU GLN GLY TRP LEU ASP SEQRES 4 A 146 VAL GLY TYR HIS PHE ILE ILE LYS ARG ASP GLY THR VAL SEQRES 5 A 146 GLU ALA GLY ARG ASP GLU MET ALA VAL GLY SER HIS ALA SEQRES 6 A 146 LYS GLY TYR ASN HIS ASN SER ILE GLY VAL CYS LEU VAL SEQRES 7 A 146 GLY GLY ILE ASP ASP LYS GLY LYS PHE ASP ALA ASN PHE SEQRES 8 A 146 THR PRO ALA GLN MET GLN SER LEU ARG SER LEU LEU VAL SEQRES 9 A 146 THR LEU LEU ALA LYS TYR GLU GLY ALA VAL LEU ARG ALA SEQRES 10 A 146 HIS HIS GLU VAL ALA PRO LYS ALA CYS PRO SER PHE ASP SEQRES 11 A 146 LEU LYS ARG TRP TRP GLU LYS ASN GLU LEU VAL THR SER SEQRES 12 A 146 ASP ARG GLY HET ZN A 151 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *26(H2 O) HELIX 1 A VAL A 29 GLN A 39 1 11 HELIX 2 B ALA A 98 GLU A 115 1 18 HELIX 3 C LEU A 135 TRP A 139 1 5 SHEET 1 S1 5 THR A 55 GLY A 59 0 SHEET 2 S1 5 PHE A 48 LYS A 51 -1 SHEET 3 S1 5 ILE A 77 LEU A 81 1 SHEET 4 S1 5 ILE A 14 CYS A 18 1 SHEET 5 S1 5 ALA A 117 ALA A 121 1 LINK ND1 HIS A 17 ZN ZN A 151 1555 1555 2.52 LINK ND1 HIS A 122 ZN ZN A 151 1555 1555 2.67 LINK SG CYS A 130 ZN ZN A 151 1555 1555 2.15 CISPEP 1 CYS A 130 PRO A 131 0 16.21 SITE 1 AC1 4 HIS A 17 HIS A 122 CYS A 130 HOH A 199 CRYST1 46.500 62.500 110.000 90.00 90.00 90.00 C 2 2 21 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 0.021505 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016000 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009091 0.00000