HEADER LYASE 08-JUL-96 1FDY TITLE N-ACETYLNEURAMINATE LYASE IN COMPLEX WITH HYDROXYPYRUVATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: N-ACETYLNEURAMINATE LYASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: N-ACETYLNEURAMINIC ACID ALDOLASE; COMPND 5 EC: 4.1.3.3; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: COVALENT COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: TG1; SOURCE 5 GENE: NPL; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 OTHER_DETAILS: DESCRIBED IN LILLEY, G.G. ET AL. (1992) SEE REFERENCE SOURCE 9 2 BELOW KEYWDS LYASE, ALDOLASE, OXO-ACID LYASE, ALPHA-KETO-ACID LYASE, CARBON-CARBON KEYWDS 2 LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.C.LAWRENCE,J.A.R.G.BARBOSA,B.J.SMITH,N.E.HALL,P.A.PILLING,H.C.OOI, AUTHOR 2 S.M.MARCUCCIO REVDAT 6 09-AUG-23 1FDY 1 REMARK SEQADV LINK REVDAT 5 04-APR-18 1FDY 1 REMARK REVDAT 4 21-JUN-17 1FDY 1 JRNL REVDAT 3 24-FEB-09 1FDY 1 VERSN REVDAT 2 30-SEP-03 1FDY 1 DBREF REVDAT 1 22-OCT-97 1FDY 0 JRNL AUTH M.C.LAWRENCE,J.A.R.G.BARBOSA,B.J.SMITH,N.E.HALL,P.A.PILLING, JRNL AUTH 2 H.C.OOI,S.M.MARCUCCIO JRNL TITL STRUCTURE AND MECHANISM OF A SUB-FAMILY OF ENZYMES RELATED JRNL TITL 2 TO N-ACETYLNEURAMINATE LYASE. JRNL REF J.MOL.BIOL. V. 266 381 1997 JRNL REFN ISSN 0022-2836 JRNL PMID 9047371 JRNL DOI 10.1006/JMBI.1996.0769 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.IZARD,M.C.LAWRENCE,R.L.MALBY,G.G.LILLEY,P.M.COLMAN REMARK 1 TITL THE THREE-DIMENSIONAL STRUCTURE OF N-ACETYLNEURAMINATE LYASE REMARK 1 TITL 2 FROM ESCHERICHIA COLI REMARK 1 REF STRUCTURE V. 2 361 1994 REMARK 1 REFN ISSN 0969-2126 REMARK 1 REFERENCE 2 REMARK 1 AUTH G.G.LILLEY,M.VON ITZSTEIN,N.IVANECIC REMARK 1 TITL HIGH-LEVEL PRODUCTION AND PURIFICATION OF ESCHERICHIA COLI REMARK 1 TITL 2 N-ACETYLNEURAMINIC ACID ALDOLASE (EC 4.1.3.3) REMARK 1 REF PROTEIN EXPR.PURIF. V. 3 434 1992 REMARK 1 REFN ISSN 1046-5928 REMARK 2 REMARK 2 RESOLUTION. 2.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 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) (%) : 93.2 REMARK 3 NUMBER OF REFLECTIONS : 53525 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) : 0.219 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 : 8995 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 171 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.70 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) : 0.30 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.640 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 1FDY 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_1000173257. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-95 REMARK 200 TEMPERATURE (KELVIN) : 108 REMARK 200 PH : 6.9 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 : MACSCIENCE M18X REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MSC MIRROR SYSTEM REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 60890 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.450 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.5 REMARK 200 DATA REDUNDANCY : 2.430 REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.44 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.24500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.150 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1NAL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP VAPOR DIFFUSION. WELL: REMARK 280 53% SATURATED AMMONIUM SULFATE, 75 MILLIMOLAR SODIUM PHOSPHATE REMARK 280 BUFFER (PH 6.9). DROP: EQUAL VOLUMES OF WELL SOLUTION AND PRE- REMARK 280 REACTED ENZYME/HYDROXYPYRUVATE COMPLEX (SEE JRNL REFERENCE), REMARK 280 VAPOR DIFFUSION - HANGING DROP, VAPOR DIFFUSION, HANGING DROP 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 131.21333 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 65.60667 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 65.60667 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 131.21333 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 39570 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 THR A 3 REMARK 465 ARG A 296 REMARK 465 GLY A 297 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 THR B 3 REMARK 465 GLU B 295 REMARK 465 ARG B 296 REMARK 465 GLY B 297 REMARK 465 MET C 1 REMARK 465 ALA C 2 REMARK 465 THR C 3 REMARK 465 GLU C 295 REMARK 465 ARG C 296 REMARK 465 GLY C 297 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 THR D 3 REMARK 465 GLU D 295 REMARK 465 ARG D 296 REMARK 465 GLY D 297 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 LEU A 282 CD1 CD2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 6 CB CG CD NE CZ NH1 NH2 REMARK 480 LYS A 24 CE NZ REMARK 480 GLN A 36 CG CD OE1 NE2 REMARK 480 LYS A 71 CG CD CE NZ REMARK 480 LYS A 73 CD CE NZ REMARK 480 LYS A 96 CG CD CE NZ REMARK 480 GLU A 116 CG CD OE1 OE2 REMARK 480 LYS A 146 CG CD CE NZ REMARK 480 ASP A 150 OD1 OD2 REMARK 480 ASP A 183 CB CG OD1 OD2 REMARK 480 LYS A 222 CG CD CE NZ REMARK 480 LYS A 225 CB CG CD CE NZ REMARK 480 GLN A 230 CB CG CD OE1 NE2 REMARK 480 LYS A 234 CG CD CE NZ REMARK 480 GLN A 294 CB CG CD OE1 NE2 REMARK 480 LYS B 24 CE NZ REMARK 480 GLN B 36 CB CG CD OE1 NE2 REMARK 480 LYS B 73 CB CG CD CE NZ REMARK 480 LYS B 75 NZ REMARK 480 GLU B 116 CG CD OE1 OE2 REMARK 480 LYS B 146 CG CD CE NZ REMARK 480 ASP B 150 CB CG OD1 OD2 REMARK 480 LYS B 222 CG CD CE NZ REMARK 480 LYS B 225 CD CE NZ REMARK 480 GLU B 226 CB CG CD OE1 OE2 REMARK 480 LYS B 234 CG CD CE NZ REMARK 480 GLU B 279 CB CG CD OE1 OE2 REMARK 480 LYS B 286 CG CD CE NZ REMARK 480 ARG C 6 NE CZ NH1 NH2 REMARK 480 LYS C 24 NZ REMARK 480 GLN C 36 CD OE1 NE2 REMARK 480 LYS C 71 CE NZ REMARK 480 LYS C 73 NZ REMARK 480 LYS C 75 CG CD CE NZ REMARK 480 LYS C 146 CD CE NZ REMARK 480 ASP C 183 CB CG OD1 OD2 REMARK 480 LYS C 222 CG CD CE NZ REMARK 480 LYS C 225 CB CG CD CE NZ REMARK 480 GLU C 226 CG CD OE1 OE2 REMARK 480 GLN C 230 CB CG CD OE1 NE2 REMARK 480 LYS C 234 CG CD CE NZ REMARK 480 LYS C 272 CE NZ REMARK 480 GLU C 279 CB CG CD OE1 OE2 REMARK 480 LYS C 280 CG CD CE NZ REMARK 480 GLN C 290 CB CG CD OE1 NE2 REMARK 480 ARG D 6 CG CD NE CZ NH1 NH2 REMARK 480 LYS D 24 CE NZ REMARK 480 ARG D 29 NH1 NH2 REMARK 480 GLN D 36 CB CG CD OE1 NE2 REMARK 480 LYS D 73 CG CD CE NZ REMARK 480 LYS D 75 CE NZ REMARK 480 LYS D 146 CG CD CE NZ REMARK 480 ASP D 183 CG OD1 OD2 REMARK 480 LYS D 222 CG CD CE NZ REMARK 480 LYS D 225 CG CD CE NZ REMARK 480 GLN D 230 CB CG CD OE1 NE2 REMARK 480 LYS D 234 CD CE NZ REMARK 480 GLU D 279 CB CG CD OE1 OE2 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 LEU A 13 CA - CB - CG ANGL. DEV. = 18.4 DEGREES REMARK 500 LEU B 13 CA - CB - CG ANGL. DEV. = 14.4 DEGREES REMARK 500 LEU D 13 CA - CB - CG ANGL. DEV. = 17.8 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 LYS A 71 78.82 -37.82 REMARK 500 TYR A 110 -72.37 71.34 REMARK 500 MET A 213 45.42 -155.48 REMARK 500 PRO A 268 30.08 -77.06 REMARK 500 GLN B 20 45.52 70.93 REMARK 500 PHE B 109 -163.25 -104.43 REMARK 500 TYR B 110 -73.75 59.97 REMARK 500 LYS B 146 76.68 -107.74 REMARK 500 MET B 213 42.01 -156.76 REMARK 500 ASP B 228 69.06 -107.41 REMARK 500 ASP B 263 31.05 71.55 REMARK 500 PRO B 268 43.69 -74.90 REMARK 500 GLU C 50 25.95 48.00 REMARK 500 TYR C 110 -68.11 62.79 REMARK 500 ASP C 130 54.96 35.44 REMARK 500 MET C 213 33.55 -160.44 REMARK 500 ASP C 228 66.36 -112.51 REMARK 500 PRO C 268 47.60 -73.56 REMARK 500 PRO C 273 -6.18 -59.48 REMARK 500 TYR D 110 -62.60 72.69 REMARK 500 MET D 213 36.24 -142.48 REMARK 500 PRO D 268 30.20 -79.96 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 TYR A 187 0.07 SIDE CHAIN 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 3PY A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3PY B 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3PY C 806 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3PY D 808 DBREF 1FDY A 2 297 UNP P0A6L4 NANA_ECOLI 1 296 DBREF 1FDY B 2 297 UNP P0A6L4 NANA_ECOLI 1 296 DBREF 1FDY C 2 297 UNP P0A6L4 NANA_ECOLI 1 296 DBREF 1FDY D 2 297 UNP P0A6L4 NANA_ECOLI 1 296 SEQADV 1FDY GLY A 70 UNP P0A6L4 ALA 69 CONFLICT SEQADV 1FDY THR A 84 UNP P0A6L4 SER 83 CONFLICT SEQADV 1FDY GLY B 70 UNP P0A6L4 ALA 69 CONFLICT SEQADV 1FDY THR B 84 UNP P0A6L4 SER 83 CONFLICT SEQADV 1FDY GLY C 70 UNP P0A6L4 ALA 69 CONFLICT SEQADV 1FDY THR C 84 UNP P0A6L4 SER 83 CONFLICT SEQADV 1FDY GLY D 70 UNP P0A6L4 ALA 69 CONFLICT SEQADV 1FDY THR D 84 UNP P0A6L4 SER 83 CONFLICT SEQRES 1 A 297 MET ALA THR ASN LEU ARG GLY VAL MET ALA ALA LEU LEU SEQRES 2 A 297 THR PRO PHE ASP GLN GLN GLN ALA LEU ASP LYS ALA SER SEQRES 3 A 297 LEU ARG ARG LEU VAL GLN PHE ASN ILE GLN GLN GLY ILE SEQRES 4 A 297 ASP GLY LEU TYR VAL GLY GLY SER THR GLY GLU ALA PHE SEQRES 5 A 297 VAL GLN SER LEU SER GLU ARG GLU GLN VAL LEU GLU ILE SEQRES 6 A 297 VAL ALA GLU GLU GLY LYS GLY LYS ILE LYS LEU ILE ALA SEQRES 7 A 297 HIS VAL GLY CYS VAL THR THR ALA GLU SER GLN GLN LEU SEQRES 8 A 297 ALA ALA SER ALA LYS ARG TYR GLY PHE ASP ALA VAL SER SEQRES 9 A 297 ALA VAL THR PRO PHE TYR TYR PRO PHE SER PHE GLU GLU SEQRES 10 A 297 HIS CYS ASP HIS TYR ARG ALA ILE ILE ASP SER ALA ASP SEQRES 11 A 297 GLY LEU PRO MET VAL VAL TYR ASN ILE PRO ALA LEU SER SEQRES 12 A 297 GLY VAL LYS LEU THR LEU ASP GLN ILE ASN THR LEU VAL SEQRES 13 A 297 THR LEU PRO GLY VAL GLY ALA LEU LYS GLN THR SER GLY SEQRES 14 A 297 ASP LEU TYR GLN MET GLU GLN ILE ARG ARG GLU HIS PRO SEQRES 15 A 297 ASP LEU VAL LEU TYR ASN GLY TYR ASP GLU ILE PHE ALA SEQRES 16 A 297 SER GLY LEU LEU ALA GLY ALA ASP GLY GLY ILE GLY SER SEQRES 17 A 297 THR TYR ASN ILE MET GLY TRP ARG TYR GLN GLY ILE VAL SEQRES 18 A 297 LYS ALA LEU LYS GLU GLY ASP ILE GLN THR ALA GLN LYS SEQRES 19 A 297 LEU GLN THR GLU CYS ASN LYS VAL ILE ASP LEU LEU ILE SEQRES 20 A 297 LYS THR GLY VAL PHE ARG GLY LEU LYS THR VAL LEU HIS SEQRES 21 A 297 TYR MET ASP VAL VAL SER VAL PRO LEU CYS ARG LYS PRO SEQRES 22 A 297 PHE GLY PRO VAL ASP GLU LYS TYR LEU PRO GLU LEU LYS SEQRES 23 A 297 ALA LEU ALA GLN GLN LEU MET GLN GLU ARG GLY SEQRES 1 B 297 MET ALA THR ASN LEU ARG GLY VAL MET ALA ALA LEU LEU SEQRES 2 B 297 THR PRO PHE ASP GLN GLN GLN ALA LEU ASP LYS ALA SER SEQRES 3 B 297 LEU ARG ARG LEU VAL GLN PHE ASN ILE GLN GLN GLY ILE SEQRES 4 B 297 ASP GLY LEU TYR VAL GLY GLY SER THR GLY GLU ALA PHE SEQRES 5 B 297 VAL GLN SER LEU SER GLU ARG GLU GLN VAL LEU GLU ILE SEQRES 6 B 297 VAL ALA GLU GLU GLY LYS GLY LYS ILE LYS LEU ILE ALA SEQRES 7 B 297 HIS VAL GLY CYS VAL THR THR ALA GLU SER GLN GLN LEU SEQRES 8 B 297 ALA ALA SER ALA LYS ARG TYR GLY PHE ASP ALA VAL SER SEQRES 9 B 297 ALA VAL THR PRO PHE TYR TYR PRO PHE SER PHE GLU GLU SEQRES 10 B 297 HIS CYS ASP HIS TYR ARG ALA ILE ILE ASP SER ALA ASP SEQRES 11 B 297 GLY LEU PRO MET VAL VAL TYR ASN ILE PRO ALA LEU SER SEQRES 12 B 297 GLY VAL LYS LEU THR LEU ASP GLN ILE ASN THR LEU VAL SEQRES 13 B 297 THR LEU PRO GLY VAL GLY ALA LEU LYS GLN THR SER GLY SEQRES 14 B 297 ASP LEU TYR GLN MET GLU GLN ILE ARG ARG GLU HIS PRO SEQRES 15 B 297 ASP LEU VAL LEU TYR ASN GLY TYR ASP GLU ILE PHE ALA SEQRES 16 B 297 SER GLY LEU LEU ALA GLY ALA ASP GLY GLY ILE GLY SER SEQRES 17 B 297 THR TYR ASN ILE MET GLY TRP ARG TYR GLN GLY ILE VAL SEQRES 18 B 297 LYS ALA LEU LYS GLU GLY ASP ILE GLN THR ALA GLN LYS SEQRES 19 B 297 LEU GLN THR GLU CYS ASN LYS VAL ILE ASP LEU LEU ILE SEQRES 20 B 297 LYS THR GLY VAL PHE ARG GLY LEU LYS THR VAL LEU HIS SEQRES 21 B 297 TYR MET ASP VAL VAL SER VAL PRO LEU CYS ARG LYS PRO SEQRES 22 B 297 PHE GLY PRO VAL ASP GLU LYS TYR LEU PRO GLU LEU LYS SEQRES 23 B 297 ALA LEU ALA GLN GLN LEU MET GLN GLU ARG GLY SEQRES 1 C 297 MET ALA THR ASN LEU ARG GLY VAL MET ALA ALA LEU LEU SEQRES 2 C 297 THR PRO PHE ASP GLN GLN GLN ALA LEU ASP LYS ALA SER SEQRES 3 C 297 LEU ARG ARG LEU VAL GLN PHE ASN ILE GLN GLN GLY ILE SEQRES 4 C 297 ASP GLY LEU TYR VAL GLY GLY SER THR GLY GLU ALA PHE SEQRES 5 C 297 VAL GLN SER LEU SER GLU ARG GLU GLN VAL LEU GLU ILE SEQRES 6 C 297 VAL ALA GLU GLU GLY LYS GLY LYS ILE LYS LEU ILE ALA SEQRES 7 C 297 HIS VAL GLY CYS VAL THR THR ALA GLU SER GLN GLN LEU SEQRES 8 C 297 ALA ALA SER ALA LYS ARG TYR GLY PHE ASP ALA VAL SER SEQRES 9 C 297 ALA VAL THR PRO PHE TYR TYR PRO PHE SER PHE GLU GLU SEQRES 10 C 297 HIS CYS ASP HIS TYR ARG ALA ILE ILE ASP SER ALA ASP SEQRES 11 C 297 GLY LEU PRO MET VAL VAL TYR ASN ILE PRO ALA LEU SER SEQRES 12 C 297 GLY VAL LYS LEU THR LEU ASP GLN ILE ASN THR LEU VAL SEQRES 13 C 297 THR LEU PRO GLY VAL GLY ALA LEU LYS GLN THR SER GLY SEQRES 14 C 297 ASP LEU TYR GLN MET GLU GLN ILE ARG ARG GLU HIS PRO SEQRES 15 C 297 ASP LEU VAL LEU TYR ASN GLY TYR ASP GLU ILE PHE ALA SEQRES 16 C 297 SER GLY LEU LEU ALA GLY ALA ASP GLY GLY ILE GLY SER SEQRES 17 C 297 THR TYR ASN ILE MET GLY TRP ARG TYR GLN GLY ILE VAL SEQRES 18 C 297 LYS ALA LEU LYS GLU GLY ASP ILE GLN THR ALA GLN LYS SEQRES 19 C 297 LEU GLN THR GLU CYS ASN LYS VAL ILE ASP LEU LEU ILE SEQRES 20 C 297 LYS THR GLY VAL PHE ARG GLY LEU LYS THR VAL LEU HIS SEQRES 21 C 297 TYR MET ASP VAL VAL SER VAL PRO LEU CYS ARG LYS PRO SEQRES 22 C 297 PHE GLY PRO VAL ASP GLU LYS TYR LEU PRO GLU LEU LYS SEQRES 23 C 297 ALA LEU ALA GLN GLN LEU MET GLN GLU ARG GLY SEQRES 1 D 297 MET ALA THR ASN LEU ARG GLY VAL MET ALA ALA LEU LEU SEQRES 2 D 297 THR PRO PHE ASP GLN GLN GLN ALA LEU ASP LYS ALA SER SEQRES 3 D 297 LEU ARG ARG LEU VAL GLN PHE ASN ILE GLN GLN GLY ILE SEQRES 4 D 297 ASP GLY LEU TYR VAL GLY GLY SER THR GLY GLU ALA PHE SEQRES 5 D 297 VAL GLN SER LEU SER GLU ARG GLU GLN VAL LEU GLU ILE SEQRES 6 D 297 VAL ALA GLU GLU GLY LYS GLY LYS ILE LYS LEU ILE ALA SEQRES 7 D 297 HIS VAL GLY CYS VAL THR THR ALA GLU SER GLN GLN LEU SEQRES 8 D 297 ALA ALA SER ALA LYS ARG TYR GLY PHE ASP ALA VAL SER SEQRES 9 D 297 ALA VAL THR PRO PHE TYR TYR PRO PHE SER PHE GLU GLU SEQRES 10 D 297 HIS CYS ASP HIS TYR ARG ALA ILE ILE ASP SER ALA ASP SEQRES 11 D 297 GLY LEU PRO MET VAL VAL TYR ASN ILE PRO ALA LEU SER SEQRES 12 D 297 GLY VAL LYS LEU THR LEU ASP GLN ILE ASN THR LEU VAL SEQRES 13 D 297 THR LEU PRO GLY VAL GLY ALA LEU LYS GLN THR SER GLY SEQRES 14 D 297 ASP LEU TYR GLN MET GLU GLN ILE ARG ARG GLU HIS PRO SEQRES 15 D 297 ASP LEU VAL LEU TYR ASN GLY TYR ASP GLU ILE PHE ALA SEQRES 16 D 297 SER GLY LEU LEU ALA GLY ALA ASP GLY GLY ILE GLY SER SEQRES 17 D 297 THR TYR ASN ILE MET GLY TRP ARG TYR GLN GLY ILE VAL SEQRES 18 D 297 LYS ALA LEU LYS GLU GLY ASP ILE GLN THR ALA GLN LYS SEQRES 19 D 297 LEU GLN THR GLU CYS ASN LYS VAL ILE ASP LEU LEU ILE SEQRES 20 D 297 LYS THR GLY VAL PHE ARG GLY LEU LYS THR VAL LEU HIS SEQRES 21 D 297 TYR MET ASP VAL VAL SER VAL PRO LEU CYS ARG LYS PRO SEQRES 22 D 297 PHE GLY PRO VAL ASP GLU LYS TYR LEU PRO GLU LEU LYS SEQRES 23 D 297 ALA LEU ALA GLN GLN LEU MET GLN GLU ARG GLY HET 3PY A 802 6 HET 3PY B 804 6 HET 3PY C 806 6 HET 3PY D 808 6 HETNAM 3PY 3-HYDROXYPYRUVIC ACID FORMUL 5 3PY 4(C3 H4 O4) FORMUL 9 HOH *171(H2 O) HELIX 1 1 LYS A 24 GLN A 36 1 13 HELIX 2 2 ALA A 51 VAL A 53 5 3 HELIX 3 3 LEU A 56 GLU A 69 1 14 HELIX 4 4 THR A 85 ARG A 97 1 13 HELIX 5 5 PHE A 115 ALA A 129 1 15 HELIX 6 6 PRO A 140 SER A 143 1 4 HELIX 7 7 LEU A 149 THR A 157 1 9 HELIX 8 8 LEU A 171 GLU A 180 1 10 HELIX 9 9 ASP A 191 ALA A 200 5 10 HELIX 10 10 SER A 208 LYS A 225 5 18 HELIX 11 11 ILE A 229 THR A 249 1 21 HELIX 12 12 VAL A 251 TYR A 261 1 11 HELIX 13 13 GLU A 279 GLN A 294 5 16 HELIX 14 14 LYS B 24 GLN B 36 1 13 HELIX 15 15 ALA B 51 VAL B 53 5 3 HELIX 16 16 LEU B 56 GLY B 70 1 15 HELIX 17 17 THR B 85 TYR B 98 1 14 HELIX 18 18 PHE B 115 SER B 128 1 14 HELIX 19 19 PRO B 140 SER B 143 1 4 HELIX 20 20 LEU B 149 THR B 157 1 9 HELIX 21 21 LEU B 171 GLU B 180 1 10 HELIX 22 22 ASP B 191 ALA B 200 5 10 HELIX 23 23 SER B 208 LYS B 225 5 18 HELIX 24 24 ILE B 229 THR B 249 1 21 HELIX 25 25 VAL B 251 TYR B 261 1 11 HELIX 26 26 GLU B 279 LEU B 292 1 14 HELIX 27 27 LYS C 24 GLN C 37 1 14 HELIX 28 28 SER C 47 GLY C 49 5 3 HELIX 29 29 ALA C 51 VAL C 53 5 3 HELIX 30 30 LEU C 56 GLY C 70 1 15 HELIX 31 31 THR C 85 TYR C 98 1 14 HELIX 32 32 PHE C 115 ALA C 129 1 15 HELIX 33 33 PRO C 140 SER C 143 1 4 HELIX 34 34 LEU C 149 THR C 157 1 9 HELIX 35 35 LEU C 171 GLU C 180 1 10 HELIX 36 36 ASP C 191 LEU C 199 5 9 HELIX 37 37 THR C 209 GLU C 226 5 18 HELIX 38 38 ILE C 229 THR C 249 1 21 HELIX 39 39 VAL C 251 TYR C 261 1 11 HELIX 40 40 GLU C 279 LEU C 292 1 14 HELIX 41 41 LYS D 24 GLN D 36 1 13 HELIX 42 42 ALA D 51 VAL D 53 5 3 HELIX 43 43 LEU D 56 GLY D 70 1 15 HELIX 44 44 THR D 85 TYR D 98 1 14 HELIX 45 45 PHE D 115 ALA D 129 1 15 HELIX 46 46 PRO D 140 SER D 143 1 4 HELIX 47 47 LEU D 149 THR D 157 1 9 HELIX 48 48 TYR D 172 GLU D 180 1 9 HELIX 49 49 ASP D 191 ALA D 200 5 10 HELIX 50 50 THR D 209 LYS D 225 5 17 HELIX 51 51 ILE D 229 THR D 249 1 21 HELIX 52 52 VAL D 251 TYR D 261 1 11 HELIX 53 53 GLU D 279 LEU D 292 5 14 SHEET 1 A 8 GLY A 205 GLY A 207 0 SHEET 2 A 8 VAL A 8 ALA A 11 1 N MET A 9 O GLY A 205 SHEET 3 A 8 GLY A 41 VAL A 44 1 N GLY A 41 O ALA A 10 SHEET 4 A 8 LYS A 75 HIS A 79 1 N LYS A 75 O LEU A 42 SHEET 5 A 8 ALA A 102 VAL A 106 1 N ALA A 102 O ALA A 78 SHEET 6 A 8 PRO A 133 ASN A 138 1 N PRO A 133 O VAL A 103 SHEET 7 A 8 VAL A 161 GLN A 166 1 N GLY A 162 O MET A 134 SHEET 8 A 8 VAL A 185 ASN A 188 1 N VAL A 185 O LEU A 164 SHEET 1 B 8 GLY B 205 GLY B 207 0 SHEET 2 B 8 VAL B 8 ALA B 11 1 N MET B 9 O GLY B 205 SHEET 3 B 8 GLY B 41 VAL B 44 1 N GLY B 41 O ALA B 10 SHEET 4 B 8 LYS B 75 HIS B 79 1 N LYS B 75 O LEU B 42 SHEET 5 B 8 ALA B 102 VAL B 106 1 N ALA B 102 O ALA B 78 SHEET 6 B 8 PRO B 133 ASN B 138 1 N PRO B 133 O VAL B 103 SHEET 7 B 8 VAL B 161 GLN B 166 1 N GLY B 162 O MET B 134 SHEET 8 B 8 VAL B 185 ASN B 188 1 N VAL B 185 O LEU B 164 SHEET 1 C 8 GLY C 205 GLY C 207 0 SHEET 2 C 8 VAL C 8 ALA C 11 1 N MET C 9 O GLY C 205 SHEET 3 C 8 GLY C 41 VAL C 44 1 N GLY C 41 O ALA C 10 SHEET 4 C 8 LYS C 75 HIS C 79 1 N LYS C 75 O LEU C 42 SHEET 5 C 8 ALA C 102 VAL C 106 1 N ALA C 102 O ALA C 78 SHEET 6 C 8 PRO C 133 ASN C 138 1 N PRO C 133 O VAL C 103 SHEET 7 C 8 VAL C 161 GLN C 166 1 N GLY C 162 O MET C 134 SHEET 8 C 8 VAL C 185 ASN C 188 1 N VAL C 185 O LEU C 164 SHEET 1 D 8 GLY D 205 GLY D 207 0 SHEET 2 D 8 VAL D 8 ALA D 11 1 N MET D 9 O GLY D 205 SHEET 3 D 8 GLY D 41 VAL D 44 1 N GLY D 41 O ALA D 10 SHEET 4 D 8 LYS D 75 HIS D 79 1 N LYS D 75 O LEU D 42 SHEET 5 D 8 ALA D 102 VAL D 106 1 N ALA D 102 O ALA D 78 SHEET 6 D 8 PRO D 133 ASN D 138 1 N PRO D 133 O VAL D 103 SHEET 7 D 8 VAL D 161 GLN D 166 1 N GLY D 162 O MET D 134 SHEET 8 D 8 VAL D 185 ASN D 188 1 N VAL D 185 O LEU D 164 LINK NZ LYS A 165 C2 3PY A 802 1555 1555 1.46 LINK NZ LYS B 165 C2 3PY B 804 1555 1555 1.47 LINK NZ LYS C 165 C2 3PY C 806 1555 1555 1.44 LINK NZ LYS D 165 C2 3PY D 808 1555 1555 1.45 CISPEP 1 LYS A 272 PRO A 273 0 0.45 CISPEP 2 LYS B 272 PRO B 273 0 0.80 CISPEP 3 LYS C 272 PRO C 273 0 1.41 CISPEP 4 LYS D 272 PRO D 273 0 0.41 SITE 1 AC1 7 ALA A 11 TYR A 43 GLY A 46 SER A 47 SITE 2 AC1 7 THR A 48 TYR A 137 LYS A 165 SITE 1 AC2 7 ALA B 11 TYR B 43 GLY B 46 SER B 47 SITE 2 AC2 7 THR B 48 TYR B 137 LYS B 165 SITE 1 AC3 6 TYR C 43 GLY C 46 SER C 47 THR C 48 SITE 2 AC3 6 TYR C 137 LYS C 165 SITE 1 AC4 8 ALA D 11 TYR D 43 GLY D 46 SER D 47 SITE 2 AC4 8 THR D 48 TYR D 137 LYS D 165 THR D 167 CRYST1 121.000 121.000 196.820 90.00 90.00 120.00 P 32 2 1 24 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 0.008264 0.004771 0.000000 0.00000 SCALE2 0.000000 0.009543 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005081 0.00000