10 20 30 40 50 60 70 80 1Y4O - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER CONTRACTILE PROTEIN 01-DEC-04 1Y4O
TITLE SOLUTION STRUCTURE OF A MOUSE CYTOPLASMIC ROADBLOCK/LC7 TITLE 2 DYNEIN LIGHT CHAIN
COMPND MOL_ID: 1; COMPND 2 MOLECULE: DYNEIN LIGHT CHAIN 2A, CYTOPLASMIC; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: DNCL2A; SOURCE 6 EXPRESSION_SYSTEM: CELL-FREE SYNTHESIS; SOURCE 7 OTHER_DETAILS: WHEAT GERM CELL-FREE, IN VITRO EXPRESSION
KEYWDS STRUCTURAL GENOMICS, PROTEIN STRUCTURE INITIATIVE, PSI, KEYWDS 2 CENTER FOR EUKARYOTIC STRUCTURAL GENOMICS, CESG, DYNEIN KEYWDS 3 LIGHT CHAIN, CONTRACTILE PROTEIN
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR J.SONG,R.C.TYLER,M.S.LEE,E.M.TYLER,J.L.MARKLEY,CENTER FOR AUTHOR 2 EUKARYOTIC STRUCTURAL GENOMICS (CESG)
REVDAT 4 24-FEB-09 1Y4O 1 VERSN REVDAT 3 29-APR-08 1Y4O 1 SOURCE REVDAT 2 21-FEB-06 1Y4O 1 JRNL REVDAT 1 18-JAN-05 1Y4O 0
JRNL AUTH J.SONG,R.C.TYLER,M.S.LEE,E.M.TYLER,J.L.MARKLEY JRNL TITL SOLUTION STRUCTURE OF ISOFORM 1 OF ROADBLOCK/LC7, JRNL TITL 2 A LIGHT CHAIN IN THE DYNEIN COMPLEX. JRNL REF J.MOL.BIOL. V. 354 1043 2005 JRNL REFN ISSN 0022-2836 JRNL PMID 16289575 JRNL DOI 10.1016/J.JMB.2005.10.017
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XPLOR-NIH 2.9.3 REMARK 3 AUTHORS : SCHWIETERS, C.D. ET AL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1Y4O COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-DEC-04. REMARK 100 THE RCSB ID CODE IS RCSB031111.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298.2 REMARK 210 PH : 5.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 10MM SODIUM ACETATE, 100MM REMARK 210 NACL, 0.02% NAN3,90% H2O, 10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D HNCACB, 3D CBCA(CO)NH, 3D REMARK 210 HCCH-TOCSY, 3D HNCO, 3D_13C- REMARK 210 SEPARATED_NOESY, 3D_15N- REMARK 210 SEPARATED_NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR 6.1, NMRPIPE REMARK 210 97.027.12.56, SPARKY 3.72, REMARK 210 CYANA 1.0.6 REMARK 210 METHOD USED : DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING TORSION ANGLE REMARK 210 DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 7 REMARK 210 REMARK 210 REMARK: NULL
REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS.
REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-20 REMARK 470 RES CSSEQI ATOMS REMARK 470 GLU A 104 O REMARK 470 GLU B 304 O
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 1 LEU A 8 -64.60 -134.81 REMARK 500 1 ASP A 69 142.91 166.21 REMARK 500 1 PRO A 70 86.58 -60.19 REMARK 500 1 THR B 233 -6.48 -57.95 REMARK 500 1 ASP B 269 147.61 172.79 REMARK 500 1 PRO B 270 50.11 -63.33 REMARK 500 1 PRO B 302 36.83 -62.84 REMARK 500 2 ASP A 69 147.31 168.88 REMARK 500 2 PRO A 70 19.85 -58.27 REMARK 500 2 PRO A 102 101.48 -53.70 REMARK 500 2 HIS B 202 -61.09 70.20 REMARK 500 2 HIS B 203 95.99 -60.61 REMARK 500 2 HIS B 206 108.80 -161.27 REMARK 500 2 LEU B 208 -85.57 56.80 REMARK 500 2 ASP B 269 147.05 169.13 REMARK 500 2 PRO B 270 17.02 -60.77 REMARK 500 2 ASN B 284 -165.14 -105.54 REMARK 500 2 PRO B 302 101.41 -58.70 REMARK 500 3 LEU A 8 -75.72 -94.75 REMARK 500 3 ASP A 69 147.76 168.91 REMARK 500 3 PRO A 70 5.84 -55.48 REMARK 500 3 SER A 81 -167.58 -123.02 REMARK 500 3 LEU B 208 -92.04 39.29 REMARK 500 3 ASP B 269 150.68 169.05 REMARK 500 3 PRO B 270 25.37 -60.63 REMARK 500 4 HIS A 7 -56.45 -175.91 REMARK 500 4 ASP A 69 148.73 172.86 REMARK 500 4 PRO A 70 28.36 -64.46 REMARK 500 4 ASP B 269 143.03 166.84 REMARK 500 4 PRO B 270 29.61 -64.28 REMARK 500 5 GLU A 9 -41.54 -176.72 REMARK 500 5 ASP A 69 147.13 159.26 REMARK 500 5 PRO A 70 25.55 -60.43 REMARK 500 5 PRO A 102 90.33 -67.22 REMARK 500 5 ASP B 269 147.16 165.40 REMARK 500 5 PRO B 270 15.04 -61.17 REMARK 500 5 SER B 281 -165.84 -100.59 REMARK 500 6 SER A 40 99.13 -161.10 REMARK 500 6 ASP A 69 132.29 88.19 REMARK 500 6 PRO A 70 73.34 -66.50 REMARK 500 6 PRO A 102 92.32 -36.95 REMARK 500 6 SER B 240 98.89 -160.67 REMARK 500 6 ASP B 269 135.59 164.16 REMARK 500 6 PRO B 270 96.99 -58.09 REMARK 500 6 GLN B 271 -54.75 -143.87 REMARK 500 6 PRO B 302 83.96 -64.67 REMARK 500 7 LYS A 39 136.03 -171.14 REMARK 500 7 ASP A 69 136.94 170.16 REMARK 500 7 PRO A 70 25.41 -63.15 REMARK 500 7 ASP A 93 -34.82 -137.20 REMARK 500 7 PRO A 102 97.84 -25.75 REMARK 500 7 ASP B 269 143.88 173.10 REMARK 500 7 PRO B 270 15.12 -65.71 REMARK 500 7 PRO B 302 101.78 -42.26 REMARK 500 8 HIS A 6 57.61 -104.01 REMARK 500 8 LEU A 8 -79.82 -119.83 REMARK 500 8 ASP A 69 142.64 172.42 REMARK 500 8 PRO A 70 34.68 -69.22 REMARK 500 8 LYS A 82 -71.33 35.94 REMARK 500 8 ASP B 269 143.36 172.68 REMARK 500 8 PRO B 270 26.61 -72.35 REMARK 500 8 LEU B 274 99.71 -68.55 REMARK 500 8 LYS B 282 -86.35 42.62 REMARK 500 8 ASP B 293 -17.24 89.50 REMARK 500 8 PRO B 302 18.85 -46.54 REMARK 500 9 ILE A 38 -60.22 -98.01 REMARK 500 9 ASP A 69 143.97 169.25 REMARK 500 9 PRO A 70 5.38 -60.50 REMARK 500 9 PRO A 102 85.30 -68.08 REMARK 500 9 PRO B 302 39.20 -63.73 REMARK 500 10 THR A 41 16.05 -140.32 REMARK 500 10 ASP A 69 138.50 170.74 REMARK 500 10 PRO A 70 34.31 -59.86 REMARK 500 10 SER A 81 -156.96 -144.12 REMARK 500 10 LYS A 82 -79.44 -39.65 REMARK 500 10 PRO A 102 95.21 -59.05 REMARK 500 10 HIS B 203 97.11 65.81 REMARK 500 10 HIS B 205 -55.37 -133.13 REMARK 500 10 HIS B 207 -154.92 -133.43 REMARK 500 10 GLU B 209 -37.94 78.91 REMARK 500 10 THR B 241 22.93 -146.10 REMARK 500 10 ASP B 269 141.38 155.09 REMARK 500 10 PRO B 270 33.49 -62.51 REMARK 500 10 LYS B 282 -2.62 -49.46 REMARK 500 10 ASN B 284 -148.50 -170.74 REMARK 500 10 PRO B 302 82.16 -62.29 REMARK 500 11 ASP A 69 140.62 170.46 REMARK 500 11 PRO A 70 97.29 -56.66 REMARK 500 11 GLN A 71 -66.82 -135.36 REMARK 500 11 THR A 75 -47.02 -140.40 REMARK 500 11 LYS A 92 -71.40 53.84 REMARK 500 11 PRO A 102 79.50 -55.63 REMARK 500 11 HIS B 204 -62.92 71.35 REMARK 500 11 HIS B 207 -159.46 -104.41 REMARK 500 11 LEU B 208 -87.98 -108.60 REMARK 500 11 ASP B 269 145.57 164.75 REMARK 500 11 PRO B 270 21.40 -61.71 REMARK 500 11 THR B 275 -47.36 -137.16 REMARK 500 11 LYS B 292 -81.41 57.77 REMARK 500 11 PRO B 302 95.03 -67.07 REMARK 500 12 HIS A 3 -178.41 68.13 REMARK 500 12 ILE A 38 -61.99 -90.43 REMARK 500 12 ASP A 69 146.82 169.96 REMARK 500 12 PRO A 70 12.50 -61.32 REMARK 500 12 PRO A 102 98.66 -66.29 REMARK 500 12 LEU B 208 -79.69 56.89 REMARK 500 12 ASP B 269 139.55 162.46 REMARK 500 12 PRO B 270 21.98 -71.62 REMARK 500 12 LEU B 274 96.01 -61.70 REMARK 500 12 PRO B 302 104.43 -52.61 REMARK 500 13 HIS A 2 87.69 72.32 REMARK 500 13 ASP A 69 152.31 169.81 REMARK 500 13 PRO A 70 29.74 -61.37 REMARK 500 13 ASP A 93 -43.06 -130.53 REMARK 500 13 ASP B 269 140.49 160.46 REMARK 500 13 LYS B 282 -78.27 37.15 REMARK 500 13 ASP B 293 -34.42 -145.42 REMARK 500 14 ASP A 69 156.64 164.09 REMARK 500 14 PRO A 70 4.97 -56.29 REMARK 500 14 LYS A 92 -84.78 63.04 REMARK 500 14 PRO A 102 100.32 -52.05 REMARK 500 14 THR B 241 18.62 -141.59 REMARK 500 14 ASP B 269 143.87 163.86 REMARK 500 14 PRO B 270 19.92 -60.04 REMARK 500 14 SER B 281 -168.19 -112.29 REMARK 500 14 LYS B 292 -82.93 46.21 REMARK 500 14 PRO B 302 99.09 -58.28 REMARK 500 15 GLU A 9 -30.48 70.35 REMARK 500 15 ASP A 69 145.09 158.14 REMARK 500 15 PRO A 70 27.16 -62.39 REMARK 500 15 PRO A 102 94.22 -63.58 REMARK 500 15 LEU B 208 -50.43 176.92 REMARK 500 15 ASP B 269 147.99 166.55 REMARK 500 15 PRO B 270 36.64 -64.10 REMARK 500 15 PRO B 302 99.11 -66.68 REMARK 500 16 HIS A 4 119.58 69.66 REMARK 500 16 HIS A 6 -76.89 -137.83 REMARK 500 16 LEU A 8 -66.61 -146.50 REMARK 500 16 PRO A 70 28.21 -76.78 REMARK 500 16 ASP B 269 145.76 178.99 REMARK 500 16 PRO B 270 26.90 -66.93 REMARK 500 16 ASN B 284 -177.80 -177.47 REMARK 500 17 THR A 41 36.67 -148.30 REMARK 500 17 ASP A 69 143.73 164.62 REMARK 500 17 PRO A 70 76.10 -64.50 REMARK 500 17 SER A 81 -168.81 -119.34 REMARK 500 17 HIS B 204 110.38 68.91 REMARK 500 17 HIS B 206 83.17 -62.30 REMARK 500 17 LEU B 208 -74.49 -37.94 REMARK 500 17 THR B 241 29.83 -146.01 REMARK 500 17 ASP B 269 141.06 172.43 REMARK 500 17 PRO B 270 85.79 -59.30 REMARK 500 18 ASP A 69 143.16 166.17 REMARK 500 18 PRO A 70 -9.79 -57.63 REMARK 500 18 ASP B 269 143.74 169.08 REMARK 500 18 PRO B 270 76.21 -68.46 REMARK 500 18 GLN B 271 -34.18 -143.46 REMARK 500 18 LYS B 292 -78.59 55.68 REMARK 500 19 HIS A 7 118.25 -167.42 REMARK 500 19 GLU A 9 -73.32 68.68 REMARK 500 19 ASP A 69 133.91 154.78 REMARK 500 19 PRO A 70 84.53 -62.23 REMARK 500 19 LEU A 74 98.59 -64.35 REMARK 500 19 HIS B 203 147.13 -175.05 REMARK 500 19 HIS B 205 24.82 176.44 REMARK 500 19 HIS B 207 -157.92 -161.56 REMARK 500 19 LEU B 208 -78.50 -96.01 REMARK 500 19 ILE B 238 -60.46 -94.75 REMARK 500 19 ASP B 269 137.96 165.84 REMARK 500 19 PRO B 270 82.88 -64.23 REMARK 500 20 LEU A 8 -74.42 -104.56 REMARK 500 20 PRO A 70 26.39 -60.56 REMARK 500 20 GLN A 71 98.02 66.39 REMARK 500 20 LEU B 208 -53.04 76.86 REMARK 500 20 PRO B 270 75.64 -17.68 REMARK 500 20 GLN B 271 81.26 33.28 REMARK 500 20 SER B 281 -162.81 -127.54 REMARK 500 20 THR B 303 92.71 -59.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 62 0.09 SIDE_CHAIN REMARK 500 1 ARG B 262 0.10 SIDE_CHAIN REMARK 500 14 ARG A 62 0.08 SIDE_CHAIN REMARK 500 14 ARG B 262 0.08 SIDE_CHAIN REMARK 500 18 ARG A 62 0.08 SIDE_CHAIN REMARK 500 18 ARG B 262 0.08 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6396 RELATED DB: BMRB REMARK 900 RELATED ID: GO.34382 RELATED DB: TARGETDB
DBREF 1Y4O A 10 104 UNP P62627 DLC2A_MOUSE 2 96 DBREF 1Y4O B 210 304 UNP P62627 DLC2A_MOUSE 2 96
SEQADV 1Y4O GLY A 1 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS A 2 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS A 3 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS A 4 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS A 5 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS A 6 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS A 7 UNP P62627 EXPRESSION TAG SEQADV 1Y4O LEU A 8 UNP P62627 EXPRESSION TAG SEQADV 1Y4O GLU A 9 UNP P62627 EXPRESSION TAG SEQADV 1Y4O GLY B 201 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS B 202 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS B 203 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS B 204 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS B 205 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS B 206 UNP P62627 EXPRESSION TAG SEQADV 1Y4O HIS B 207 UNP P62627 EXPRESSION TAG SEQADV 1Y4O LEU B 208 UNP P62627 EXPRESSION TAG SEQADV 1Y4O GLU B 209 UNP P62627 EXPRESSION TAG
SEQRES 1 A 104 GLY HIS HIS HIS HIS HIS HIS LEU GLU ALA GLU VAL GLU SEQRES 2 A 104 GLU THR LEU LYS ARG LEU GLN SER GLN LYS GLY VAL GLN SEQRES 3 A 104 GLY ILE ILE VAL VAL ASN THR GLU GLY ILE PRO ILE LYS SEQRES 4 A 104 SER THR MET ASP ASN PRO THR THR THR GLN TYR ALA ASN SEQRES 5 A 104 LEU MET HIS ASN PHE ILE LEU LYS ALA ARG SER THR VAL SEQRES 6 A 104 ARG GLU ILE ASP PRO GLN ASN ASP LEU THR PHE LEU ARG SEQRES 7 A 104 ILE ARG SER LYS LYS ASN GLU ILE MET VAL ALA PRO ASP SEQRES 8 A 104 LYS ASP TYR PHE LEU ILE VAL ILE GLN ASN PRO THR GLU SEQRES 1 B 104 GLY HIS HIS HIS HIS HIS HIS LEU GLU ALA GLU VAL GLU SEQRES 2 B 104 GLU THR LEU LYS ARG LEU GLN SER GLN LYS GLY VAL GLN SEQRES 3 B 104 GLY ILE ILE VAL VAL ASN THR GLU GLY ILE PRO ILE LYS SEQRES 4 B 104 SER THR MET ASP ASN PRO THR THR THR GLN TYR ALA ASN SEQRES 5 B 104 LEU MET HIS ASN PHE ILE LEU LYS ALA ARG SER THR VAL SEQRES 6 B 104 ARG GLU ILE ASP PRO GLN ASN ASP LEU THR PHE LEU ARG SEQRES 7 B 104 ILE ARG SER LYS LYS ASN GLU ILE MET VAL ALA PRO ASP SEQRES 8 B 104 LYS ASP TYR PHE LEU ILE VAL ILE GLN ASN PRO THR GLU
HELIX 1 1 LEU A 8 GLN A 22 1 15 HELIX 2 2 ASP A 43 ASP A 69 1 27 HELIX 3 3 HIS B 207 GLN B 222 1 16 HELIX 4 4 ASP B 243 ILE B 268 1 26
SHEET 1 A10 ILE A 36 SER A 40 0 SHEET 2 A10 VAL A 25 ASN A 32 -1 N VAL A 30 O ILE A 38 SHEET 3 A10 TYR A 94 GLN A 100 -1 O ILE A 99 N GLN A 26 SHEET 4 A10 GLU A 85 PRO A 90 -1 N GLU A 85 O GLN A 100 SHEET 5 A10 LEU A 74 SER A 81 -1 N ILE A 79 O ILE A 86 SHEET 6 A10 LEU B 274 SER B 281 -1 O PHE B 276 N ARG A 80 SHEET 7 A10 GLU B 285 PRO B 290 -1 O ILE B 286 N ILE B 279 SHEET 8 A10 TYR B 294 GLN B 300 -1 O GLN B 300 N GLU B 285 SHEET 9 A10 VAL B 225 ASN B 232 -1 N ILE B 229 O ILE B 297 SHEET 10 A10 PRO B 237 SER B 240 -1 O ILE B 238 N VAL B 230
CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1
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 1.000000 0.000000 0.000000 0.00000
SCALE2 0.000000 1.000000 0.000000 0.00000
SCALE3 0.000000 0.000000 1.000000 0.00000