HEADER BIOSYNTHETIC PROTEIN 04-MAR-21 7LXQ TITLE COLLAGEN MIMETIC PEPTIDE WITH A YAA-POSITION AZA-PROLINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: COLLAGEN MIMETIC PEPTIDE; COMPND 3 CHAIN: A, B, C; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630 KEYWDS COLLAGEN, AZA-AMINO ACID, STRUCTURAL PROTEIN, BIOSYNTHETIC PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.D.MELTON,T.HARRIS,D.M.CHENOWETH REVDAT 3 15-NOV-23 7LXQ 1 REMARK ATOM REVDAT 2 18-OCT-23 7LXQ 1 REMARK REVDAT 1 16-MAR-22 7LXQ 0 JRNL AUTH S.D.MELTON,T.HARRIS,Y.ZHANG,D.M.CHENOWETH JRNL TITL COLLAGEN MIMETIC PEPTIDE WITH A YAA-POSITION AZA-PROLINE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.21 REMARK 3 MIN(FOBS/SIGMA_FOBS) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 14955 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.173 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1496 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 1.3470 - 1.3000 0.99 1309 144 0.1269 0.1446 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 5.73 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 8.04 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7LXQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1000255207. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-DEC-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS-II REMARK 200 BEAMLINE : 17-ID-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9201 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15047 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 29.210 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.10370 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.4200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.29650 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.760 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1CAG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.094 M TRIS-HCL, 0.1 M REMARK 280 LISO4 (H2O), PH 7.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 58.43550 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 9.73850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 58.43550 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 9.73850 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5090 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 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 HOH A 172 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 C ARG B 17 H XZA B 18 1.45 REMARK 500 REMARK 500 REMARK: NULL 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 GLY A 30 N GLY A 30 CA -0.167 REMARK 500 GLY B 30 N GLY B 30 CA -0.179 REMARK 500 GLY C 30 N GLY C 30 CA -0.179 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 173 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH A 174 DISTANCE = 6.00 ANGSTROMS REMARK 525 HOH A 175 DISTANCE = 6.28 ANGSTROMS REMARK 525 HOH A 176 DISTANCE = 6.34 ANGSTROMS REMARK 525 HOH A 177 DISTANCE = 6.57 ANGSTROMS REMARK 525 HOH A 178 DISTANCE = 6.97 ANGSTROMS REMARK 525 HOH B 172 DISTANCE = 6.20 ANGSTROMS REMARK 525 HOH B 173 DISTANCE = 7.07 ANGSTROMS REMARK 525 HOH B 174 DISTANCE = 7.48 ANGSTROMS REMARK 525 HOH B 175 DISTANCE = 8.91 ANGSTROMS REMARK 525 HOH C 156 DISTANCE = 7.48 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7LXP RELATED DB: PDB DBREF 7LXQ A 1 30 PDB 7LXQ 7LXQ 1 30 DBREF 7LXQ B 1 30 PDB 7LXQ 7LXQ 1 30 DBREF 7LXQ C 1 30 PDB 7LXQ 7LXQ 1 30 SEQRES 1 A 30 PRO HYP GLY PRO HYP GLY PRO HYP GLY PRO HYP GLY PRO SEQRES 2 A 30 ZPO GLY PRO ARG XZA PRO HYP GLY PRO HYP GLY PRO HYP SEQRES 3 A 30 GLY PRO HYP GLY SEQRES 1 B 30 PRO HYP GLY PRO HYP GLY PRO HYP GLY PRO HYP GLY PRO SEQRES 2 B 30 ZPO GLY PRO ARG XZA PRO HYP GLY PRO HYP GLY PRO HYP SEQRES 3 B 30 GLY PRO HYP GLY SEQRES 1 C 30 PRO HYP GLY PRO HYP GLY PRO HYP GLY PRO HYP GLY PRO SEQRES 2 C 30 ZPO GLY PRO ARG XZA PRO HYP GLY PRO HYP GLY PRO HYP SEQRES 3 C 30 GLY PRO HYP GLY HET HYP A 2 15 HET HYP A 5 15 HET HYP A 8 15 HET HYP A 11 15 HET ZPO A 14 13 HET XZA A 18 6 HET HYP A 20 15 HET HYP A 23 15 HET HYP A 26 15 HET HYP A 29 15 HET HYP B 2 15 HET HYP B 5 15 HET HYP B 8 15 HET HYP B 11 15 HET ZPO B 14 13 HET XZA B 18 6 HET HYP B 20 15 HET HYP B 23 15 HET HYP B 26 15 HET HYP B 29 15 HET HYP C 2 15 HET HYP C 5 15 HET HYP C 8 15 HET HYP C 11 15 HET ZPO C 14 13 HET XZA C 18 6 HET HYP C 20 15 HET HYP C 23 15 HET HYP C 26 15 HET HYP C 29 15 HETNAM HYP 4-HYDROXYPROLINE HETNAM ZPO PYRAZOLIDINE-1-CARBOXYLIC ACID HETNAM XZA DIAZANECARBOXYLIC ACID HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP 24(C5 H9 N O3) FORMUL 1 ZPO 3(C4 H8 N2 O2) FORMUL 1 XZA 3(C H4 N2 O2) FORMUL 4 HOH *209(H2 O) LINK C PRO A 1 N HYP A 2 1555 1555 1.32 LINK C HYP A 2 N GLY A 3 1555 1555 1.32 LINK C PRO A 4 N HYP A 5 1555 1555 1.31 LINK C HYP A 5 N GLY A 6 1555 1555 1.32 LINK C PRO A 7 N HYP A 8 1555 1555 1.32 LINK C HYP A 8 N GLY A 9 1555 1555 1.32 LINK C APRO A 10 N HYP A 11 1555 1555 1.33 LINK C BPRO A 10 N HYP A 11 1555 1555 1.33 LINK C HYP A 11 N GLY A 12 1555 1555 1.33 LINK C PRO A 13 N ZPO A 14 1555 1555 1.34 LINK C ZPO A 14 N GLY A 15 1555 1555 1.37 LINK C ARG A 17 N XZA A 18 1555 1555 1.35 LINK C XZA A 18 N PRO A 19 1555 1555 1.34 LINK C PRO A 19 N HYP A 20 1555 1555 1.31 LINK C HYP A 20 N GLY A 21 1555 1555 1.32 LINK C PRO A 22 N HYP A 23 1555 1555 1.31 LINK C HYP A 23 N GLY A 24 1555 1555 1.32 LINK C PRO A 25 N HYP A 26 1555 1555 1.33 LINK C HYP A 26 N GLY A 27 1555 1555 1.33 LINK C PRO A 28 N HYP A 29 1555 1555 1.33 LINK C HYP A 29 N GLY A 30 1555 1555 1.43 LINK C PRO B 1 N HYP B 2 1555 1555 1.32 LINK C HYP B 2 N GLY B 3 1555 1555 1.31 LINK C PRO B 4 N HYP B 5 1555 1555 1.32 LINK C HYP B 5 N GLY B 6 1555 1555 1.31 LINK C APRO B 7 N HYP B 8 1555 1555 1.33 LINK C BPRO B 7 N HYP B 8 1555 1555 1.32 LINK C HYP B 8 N GLY B 9 1555 1555 1.31 LINK C PRO B 10 N HYP B 11 1555 1555 1.33 LINK C HYP B 11 N GLY B 12 1555 1555 1.31 LINK C PRO B 13 N ZPO B 14 1555 1555 1.35 LINK C ZPO B 14 N GLY B 15 1555 1555 1.37 LINK C ARG B 17 N XZA B 18 1555 1555 1.35 LINK C XZA B 18 N PRO B 19 1555 1555 1.35 LINK C PRO B 19 N HYP B 20 1555 1555 1.32 LINK C HYP B 20 N GLY B 21 1555 1555 1.32 LINK C PRO B 22 N HYP B 23 1555 1555 1.33 LINK C HYP B 23 N GLY B 24 1555 1555 1.32 LINK C PRO B 25 N HYP B 26 1555 1555 1.32 LINK C HYP B 26 N GLY B 27 1555 1555 1.32 LINK C PRO B 28 N HYP B 29 1555 1555 1.32 LINK C HYP B 29 N GLY B 30 1555 1555 1.42 LINK C PRO C 1 N HYP C 2 1555 1555 1.32 LINK C HYP C 2 N GLY C 3 1555 1555 1.31 LINK C PRO C 4 N HYP C 5 1555 1555 1.32 LINK C HYP C 5 N GLY C 6 1555 1555 1.33 LINK C PRO C 7 N HYP C 8 1555 1555 1.31 LINK C HYP C 8 N GLY C 9 1555 1555 1.32 LINK C PRO C 10 N HYP C 11 1555 1555 1.31 LINK C HYP C 11 N GLY C 12 1555 1555 1.31 LINK C PRO C 13 N ZPO C 14 1555 1555 1.35 LINK C ZPO C 14 N GLY C 15 1555 1555 1.36 LINK C ARG C 17 N XZA C 18 1555 1555 1.36 LINK C XZA C 18 N PRO C 19 1555 1555 1.36 LINK C PRO C 19 N HYP C 20 1555 1555 1.34 LINK C HYP C 20 N GLY C 21 1555 1555 1.32 LINK C PRO C 22 N HYP C 23 1555 1555 1.32 LINK C HYP C 23 N GLY C 24 1555 1555 1.33 LINK C PRO C 25 N HYP C 26 1555 1555 1.31 LINK C HYP C 26 N GLY C 27 1555 1555 1.32 LINK C PRO C 28 N HYP C 29 1555 1555 1.33 LINK C HYP C 29 N GLY C 30 1555 1555 1.42 CRYST1 116.871 19.477 26.639 90.00 91.65 90.00 C 1 2 1 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 0.008556 0.000000 0.000246 0.00000 SCALE2 0.000000 0.051343 0.000000 0.00000 SCALE3 0.000000 0.000000 0.037554 0.00000