HEADER OXIDOREDUCTASE 19-NOV-20 7DIU TITLE STRUCTURE OF PFGRX1 IN THE INTERMEDIATE STATE WITH PLATINUM AND CESIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAREDOXIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: GLUTAREDOXIN 1; COMPND 5 EC: 1.8.4.2; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PLASMODIUM FALCIPARUM (ISOLATE 3D7); SOURCE 3 ORGANISM_TAXID: 36329; SOURCE 4 STRAIN: ISOLATE 3D7; SOURCE 5 GENE: PF3D7_0306300; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI M15; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 1007065; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PQE30 KEYWDS REDOX ENZYME, TRX FOLD, GLUTATHIONE, PT-SAD, CS-SAD, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.MANICKAM,A.SHARMA REVDAT 1 24-NOV-21 7DIU 0 JRNL AUTH Y.MANICKAM,A.SHARMA JRNL TITL INTERACTION OF METALS WITH PFGRX1 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.88 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.15RC1_3423 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.88 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.57 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 17785 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.160 REMARK 3 R VALUE (WORKING SET) : 0.156 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.130 REMARK 3 FREE R VALUE TEST SET COUNT : 1801 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 27.5740 - 4.4122 0.99 1217 135 0.1699 0.1891 REMARK 3 2 4.4122 - 3.5043 1.00 1240 140 0.1344 0.1725 REMARK 3 3 3.5043 - 3.0620 1.00 1221 148 0.1515 0.1954 REMARK 3 4 3.0620 - 2.7824 1.00 1235 141 0.1644 0.1836 REMARK 3 5 2.7824 - 2.5831 1.00 1220 140 0.1536 0.2171 REMARK 3 6 2.5831 - 2.4309 1.00 1216 140 0.1653 0.1952 REMARK 3 7 2.4309 - 2.3092 1.00 1241 142 0.1518 0.1896 REMARK 3 8 2.3092 - 2.2087 1.00 1226 142 0.1537 0.2006 REMARK 3 9 2.2087 - 2.1237 1.00 1224 136 0.1463 0.1787 REMARK 3 10 2.1237 - 2.0505 1.00 1260 136 0.1607 0.2019 REMARK 3 11 2.0505 - 1.9864 1.00 1253 134 0.1605 0.2351 REMARK 3 12 1.9864 - 1.9296 1.00 1210 129 0.1733 0.1786 REMARK 3 13 1.9296 - 1.8790 1.00 1221 138 0.1976 0.2492 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.020 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.37 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 : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): -22.9593 9.7755 -5.0076 REMARK 3 T TENSOR REMARK 3 T11: 0.2036 T22: 0.1841 REMARK 3 T33: 0.1776 T12: 0.0033 REMARK 3 T13: -0.0217 T23: 0.0015 REMARK 3 L TENSOR REMARK 3 L11: 1.6564 L22: 1.6855 REMARK 3 L33: 1.0951 L12: -0.1956 REMARK 3 L13: 0.1283 L23: 0.0231 REMARK 3 S TENSOR REMARK 3 S11: -0.0580 S12: -0.0378 S13: 0.0190 REMARK 3 S21: 0.1073 S22: 0.0245 S23: -0.0990 REMARK 3 S31: -0.0197 S32: 0.0396 S33: -0.0001 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 7DIU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-NOV-20. REMARK 100 THE DEPOSITION ID IS D_1300019458. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JUN-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17785 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.879 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 20.70 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 20.30 REMARK 200 R MERGE FOR SHELL (I) : 0.55200 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: SAD REMARK 200 SOFTWARE USED: AUTO-RICKSHAW, SHELXDE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12.5% W/V PEG1000, 12.5% W/V PEG3350, REMARK 280 12.5% V/V MPD, 0.02 M AMINO ACIDS, 0.1 M MOPS/HEPES SODIUM, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 55.14733 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 27.57367 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 27.57367 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 55.14733 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 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 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 465 ALA A 2 REMARK 465 GLY A 3 REMARK 465 THR A 4 REMARK 465 ASN A 111 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 6 CG CD OE1 OE2 REMARK 470 LYS A 14 CE NZ REMARK 470 LYS A 55 CD CE NZ REMARK 470 LYS A 101 CE NZ REMARK 470 LYS A 106 CG CD CE NZ REMARK 470 VAL A 110 CG1 CG2 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 ASN A 56 131.27 -170.09 REMARK 500 LYS A 82 -4.26 71.21 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 CS A 203 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 45 O REMARK 620 2 MET A 48 O 71.1 REMARK 620 3 GLU A 68 O 89.4 21.5 REMARK 620 4 HOH A 365 O 68.8 107.2 105.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 PT A 206 PT REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 49 ND1 REMARK 620 2 HOH A 315 O 60.8 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS A 205 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 95 O REMARK 620 2 ASN A 95 OD1 59.0 REMARK 620 3 HOH A 317 O 121.0 98.1 REMARK 620 4 HOH A 332 O 80.2 92.8 44.7 REMARK 620 5 HOH A 366 O 66.6 124.5 119.7 88.5 REMARK 620 6 HOH A 368 O 72.8 89.5 166.2 146.9 63.6 REMARK 620 N 1 2 3 4 5 DBREF 7DIU A 1 111 UNP Q9NLB2 Q9NLB2_PLAF7 1 111 SEQRES 1 A 111 MET ALA GLY THR SER GLU ALA VAL LYS LYS TRP VAL ASN SEQRES 2 A 111 LYS ILE ILE GLU GLU ASN ILE ILE ALA VAL PHE ALA LYS SEQRES 3 A 111 THR GLU CYS PRO TYR CYS ILE LYS ALA ILE SER ILE LEU SEQRES 4 A 111 LYS GLY TYR ASN LEU ASN SER HIS MET HIS VAL GLU ASN SEQRES 5 A 111 ILE GLU LYS ASN PRO ASP MET ALA ASN ILE GLN ALA TYR SEQRES 6 A 111 LEU LYS GLU LEU THR GLY LYS SER SER VAL PRO ARG ILE SEQRES 7 A 111 PHE ILE ASN LYS ASP VAL VAL GLY GLY CYS ASP ASP LEU SEQRES 8 A 111 VAL LYS GLU ASN ASP GLU GLY LYS LEU LYS GLU ARG LEU SEQRES 9 A 111 GLN LYS LEU GLY LEU VAL ASN HET MPO A 201 13 HET MPD A 202 8 HET CS A 203 1 HET CS A 204 1 HET CS A 205 1 HET PT A 206 1 HETNAM MPO 3[N-MORPHOLINO]PROPANE SULFONIC ACID HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETNAM CS CESIUM ION HETNAM PT PLATINUM (II) ION FORMUL 2 MPO C7 H15 N O4 S FORMUL 3 MPD C6 H14 O2 FORMUL 4 CS 3(CS 1+) FORMUL 7 PT PT 2+ FORMUL 8 HOH *72(H2 O) HELIX 1 AA1 SER A 5 ASN A 19 1 15 HELIX 2 AA2 CYS A 29 GLY A 41 1 13 HELIX 3 AA3 TYR A 42 ASN A 43 5 2 HELIX 4 AA4 LEU A 44 SER A 46 5 3 HELIX 5 AA5 ASP A 58 GLY A 71 1 14 HELIX 6 AA6 GLY A 87 GLU A 97 1 11 HELIX 7 AA7 GLY A 98 LEU A 107 1 10 SHEET 1 AA1 4 MET A 48 ASN A 52 0 SHEET 2 AA1 4 ILE A 21 ALA A 25 1 N ALA A 25 O GLU A 51 SHEET 3 AA1 4 ARG A 77 ILE A 80 -1 O ARG A 77 N PHE A 24 SHEET 4 AA1 4 ASP A 83 GLY A 86 -1 O GLY A 86 N ILE A 78 SSBOND 1 CYS A 29 CYS A 32 1555 1555 2.06 LINK O GLY A 41 CS CS A 204 1555 1555 3.30 LINK O ASN A 45 CS CS A 203 1555 1555 3.14 LINK O MET A 48 CS CS A 203 1555 1555 2.97 LINK ND1 HIS A 49 PT PT A 206 1555 1555 2.76 LINK O GLU A 68 CS CS A 203 1555 2564 3.11 LINK O ASN A 95 CS CS A 205 1555 1555 3.33 LINK OD1 ASN A 95 CS CS A 205 1555 1555 3.47 LINK CS CS A 203 O HOH A 365 1555 1555 3.09 LINK CS CS A 205 O HOH A 317 1555 4455 3.32 LINK CS CS A 205 O HOH A 332 1555 1555 3.20 LINK CS CS A 205 O HOH A 366 1555 1555 2.99 LINK CS CS A 205 O HOH A 368 1555 1555 3.11 LINK PT PT A 206 O HOH A 315 1555 1555 2.48 CISPEP 1 VAL A 75 PRO A 76 0 1.61 CRYST1 48.584 48.584 82.721 90.00 90.00 120.00 P 32 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 0.020583 0.011884 0.000000 0.00000 SCALE2 0.000000 0.023767 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012089 0.00000