HEADER OXIDOREDUCTASE 22-AUG-13 4C39 TITLE STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN COMPLEX TITLE 2 WITH 6-((((3S, 5R)-5-(((6-AMINO-4-METHYLPYRIDIN-2-YL)METHOXY) TITLE 3 METHYL)PYRROLIDIN-3-YL)OXY)METHYL)-4-METHYLPYRIDIN-2-AMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE, BRAIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: HEME DOMAIN, RESIDUES 297-718; COMPND 5 SYNONYM: BNOS, CONSTITUTIVE NOS, NC-NOS, NOS TYPE I, NEURONAL NOS, N- COMPND 6 NOS, NNOS, PEPTIDYL-CYSTEINE S-NITROSYLASE NOS1; COMPND 7 EC: 1.14.13.39; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PCWORI KEYWDS OXIDOREDUCTASE, INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.LI,T.L.POULOS REVDAT 2 08-MAY-24 4C39 1 REMARK LINK REVDAT 1 02-APR-14 4C39 0 JRNL AUTH Q.JING,H.LI,L.J.ROMAN,P.MARTASEK,T.L.POULOS,R.B.SILVERMAN JRNL TITL AN ACCESSIBLE CHIRAL LINKER TO ENHANCE POTENCY AND JRNL TITL 2 SELECTIVITY OF NEURONAL NITRIC OXIDE SYNTHASE INHIBITORS. JRNL REF ACS MED.CHEM.LETT. V. 5 56 2014 JRNL REFN ISSN 1948-5875 JRNL PMID 24660051 JRNL DOI 10.1021/ML400381S REMARK 2 REMARK 2 RESOLUTION. 1.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 92.19 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 63550 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 3294 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.98 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.03 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4235 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.54 REMARK 3 BIN R VALUE (WORKING SET) : 0.3150 REMARK 3 BIN FREE R VALUE SET COUNT : 207 REMARK 3 BIN FREE R VALUE : 0.3480 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6659 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 181 REMARK 3 SOLVENT ATOMS : 339 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 47.37 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.45000 REMARK 3 B22 (A**2) : 0.50000 REMARK 3 B33 (A**2) : -2.95000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.165 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.154 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.134 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.135 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.968 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 7043 ; 0.013 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 9584 ; 2.105 ; 1.972 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 814 ; 6.275 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 331 ;33.734 ;23.837 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1166 ;16.069 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 41 ;17.978 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 992 ; 0.106 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5405 ; 0.010 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 299 A 716 REMARK 3 ORIGIN FOR THE GROUP (A): 11.3720 4.6850 22.4500 REMARK 3 T TENSOR REMARK 3 T11: 0.0853 T22: 0.1270 REMARK 3 T33: 0.0157 T12: 0.0084 REMARK 3 T13: 0.0112 T23: -0.0123 REMARK 3 L TENSOR REMARK 3 L11: 0.5599 L22: 0.8116 REMARK 3 L33: 5.6245 L12: -0.0575 REMARK 3 L13: -0.4904 L23: -0.3131 REMARK 3 S TENSOR REMARK 3 S11: -0.0502 S12: 0.1350 S13: 0.0115 REMARK 3 S21: -0.0295 S22: -0.0353 S23: 0.0576 REMARK 3 S31: -0.0189 S32: -0.3842 S33: 0.0855 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 299 B 718 REMARK 3 ORIGIN FOR THE GROUP (A): 12.2870 4.7740 59.9600 REMARK 3 T TENSOR REMARK 3 T11: 0.0580 T22: 0.0871 REMARK 3 T33: 0.0220 T12: 0.0096 REMARK 3 T13: 0.0174 T23: 0.0138 REMARK 3 L TENSOR REMARK 3 L11: 0.8362 L22: 0.8644 REMARK 3 L33: 2.5308 L12: -0.1831 REMARK 3 L13: -0.1446 L23: 0.3567 REMARK 3 S TENSOR REMARK 3 S11: -0.0200 S12: -0.0526 S13: 0.0860 REMARK 3 S21: -0.0868 S22: -0.0514 S23: -0.0160 REMARK 3 S31: 0.0544 S32: 0.0793 S33: 0.0714 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. U VALUES WITH TLS ADDED. HYDROGENS HAVE BEEN USED IF REMARK 3 PRESENT IN THE INPUT. RESIDUES 339 TO 349 IN CHAIN A AND 339-347 REMARK 3 IN CHAIN B ARE DISORDERED. REMARK 4 REMARK 4 4C39 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-AUG-13. REMARK 100 THE DEPOSITION ID IS D_1290058122. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUL-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SI(III) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 66939 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.980 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.77000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20-24% PEG3350, 0.1M MES, 140-200 MM REMARK 280 AMMONIUM ACETATE, 10% ETHYLENE GLYCOL, 5 MM GSH, 30 UM SDS, PH REMARK 280 5.8 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 25.96450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 82.21950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 55.43500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 82.21950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.96450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 55.43500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33190 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.2 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 CYS A 297 REMARK 465 PRO A 298 REMARK 465 SER A 339 REMARK 465 GLN A 340 REMARK 465 HIS A 341 REMARK 465 THR A 342 REMARK 465 ARG A 343 REMARK 465 LYS A 344 REMARK 465 PRO A 345 REMARK 465 GLU A 346 REMARK 465 ASP A 347 REMARK 465 VAL A 348 REMARK 465 ARG A 349 REMARK 465 GLY A 718 REMARK 465 CYS B 297 REMARK 465 PRO B 298 REMARK 465 SER B 339 REMARK 465 GLN B 340 REMARK 465 HIS B 341 REMARK 465 THR B 342 REMARK 465 ARG B 343 REMARK 465 LYS B 344 REMARK 465 PRO B 345 REMARK 465 GLU B 346 REMARK 465 ASP B 347 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 LYS A 717 CA C O CB CG CD CE REMARK 470 LYS A 717 NZ 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 436 CG HIS A 436 CD2 0.057 REMARK 500 TRP A 676 CE2 TRP A 676 CD2 0.075 REMARK 500 HIS B 436 CG HIS B 436 CD2 0.054 REMARK 500 HIS B 651 CG HIS B 651 CD2 0.059 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 ASP A 309 -4.01 65.22 REMARK 500 THR A 321 -62.85 -107.10 REMARK 500 THR A 466 -94.43 -119.96 REMARK 500 ASP A 489 8.42 -59.60 REMARK 500 PHE A 517 53.56 -143.33 REMARK 500 CYS A 582 53.86 -152.53 REMARK 500 ARG A 603 -133.53 -113.86 REMARK 500 THR B 321 -34.02 -134.98 REMARK 500 ASP B 352 -68.02 -23.78 REMARK 500 SER B 392 -5.78 78.33 REMARK 500 THR B 466 -89.44 -118.29 REMARK 500 CYS B 582 51.92 -156.15 REMARK 500 ARG B 603 -136.99 -120.84 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 A1717 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 326 SG REMARK 620 2 CYS A 331 SG 118.5 REMARK 620 3 CYS B 326 SG 119.5 103.9 REMARK 620 4 CYS B 331 SG 104.5 99.0 109.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 750 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 415 SG REMARK 620 2 HEM A 750 NA 106.1 REMARK 620 3 HEM A 750 NB 95.1 84.1 REMARK 620 4 HEM A 750 NC 103.6 150.1 90.0 REMARK 620 5 HEM A 750 ND 102.7 86.2 161.5 90.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 750 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 415 SG REMARK 620 2 HEM B 750 NA 107.6 REMARK 620 3 HEM B 750 NB 97.5 84.5 REMARK 620 4 HEM B 750 NC 100.7 151.7 92.2 REMARK 620 5 HEM B 750 ND 100.4 87.5 161.9 87.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 750 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 760 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE Q16 A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 750 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 760 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE Q16 B 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1717 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4C3A RELATED DB: PDB REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN REMARK 900 IN COMPLEX WITH 6-((((3S, 5R)-5-(((6- AMINO-4-METHYLPYRIDIN-2-YL) REMARK 900 METHOXY)METHYL)PYRROLIDIN-3 -YL)OXY) METHYL)-4-METHYLPYRIDIN-2-AMINE DBREF 4C39 A 297 718 UNP P29476 NOS1_RAT 297 718 DBREF 4C39 B 297 718 UNP P29476 NOS1_RAT 297 718 SEQRES 1 A 422 CYS PRO ARG PHE LEU LYS VAL LYS ASN TRP GLU THR ASP SEQRES 2 A 422 VAL VAL LEU THR ASP THR LEU HIS LEU LYS SER THR LEU SEQRES 3 A 422 GLU THR GLY CYS THR GLU HIS ILE CYS MET GLY SER ILE SEQRES 4 A 422 MET LEU PRO SER GLN HIS THR ARG LYS PRO GLU ASP VAL SEQRES 5 A 422 ARG THR LYS ASP GLN LEU PHE PRO LEU ALA LYS GLU PHE SEQRES 6 A 422 LEU ASP GLN TYR TYR SER SER ILE LYS ARG PHE GLY SER SEQRES 7 A 422 LYS ALA HIS MET ASP ARG LEU GLU GLU VAL ASN LYS GLU SEQRES 8 A 422 ILE GLU SER THR SER THR TYR GLN LEU LYS ASP THR GLU SEQRES 9 A 422 LEU ILE TYR GLY ALA LYS HIS ALA TRP ARG ASN ALA SER SEQRES 10 A 422 ARG CYS VAL GLY ARG ILE GLN TRP SER LYS LEU GLN VAL SEQRES 11 A 422 PHE ASP ALA ARG ASP CYS THR THR ALA HIS GLY MET PHE SEQRES 12 A 422 ASN TYR ILE CYS ASN HIS VAL LYS TYR ALA THR ASN LYS SEQRES 13 A 422 GLY ASN LEU ARG SER ALA ILE THR ILE PHE PRO GLN ARG SEQRES 14 A 422 THR ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN SER GLN SEQRES 15 A 422 LEU ILE ARG TYR ALA GLY TYR LYS GLN PRO ASP GLY SER SEQRES 16 A 422 THR LEU GLY ASP PRO ALA ASN VAL GLN PHE THR GLU ILE SEQRES 17 A 422 CYS ILE GLN GLN GLY TRP LYS ALA PRO ARG GLY ARG PHE SEQRES 18 A 422 ASP VAL LEU PRO LEU LEU LEU GLN ALA ASN GLY ASN ASP SEQRES 19 A 422 PRO GLU LEU PHE GLN ILE PRO PRO GLU LEU VAL LEU GLU SEQRES 20 A 422 VAL PRO ILE ARG HIS PRO LYS PHE ASP TRP PHE LYS ASP SEQRES 21 A 422 LEU GLY LEU LYS TRP TYR GLY LEU PRO ALA VAL SER ASN SEQRES 22 A 422 MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA CYS SEQRES 23 A 422 PRO PHE SER GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 A 422 ARG ASP TYR CYS ASP ASN SER ARG TYR ASN ILE LEU GLU SEQRES 25 A 422 GLU VAL ALA LYS LYS MET ASP LEU ASP MET ARG LYS THR SEQRES 26 A 422 SER SER LEU TRP LYS ASP GLN ALA LEU VAL GLU ILE ASN SEQRES 27 A 422 ILE ALA VAL LEU TYR SER PHE GLN SER ASP LYS VAL THR SEQRES 28 A 422 ILE VAL ASP HIS HIS SER ALA THR GLU SER PHE ILE LYS SEQRES 29 A 422 HIS MET GLU ASN GLU TYR ARG CYS ARG GLY GLY CYS PRO SEQRES 30 A 422 ALA ASP TRP VAL TRP ILE VAL PRO PRO MET SER GLY SER SEQRES 31 A 422 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR ARG SEQRES 32 A 422 LEU THR PRO SER PHE GLU TYR GLN PRO ASP PRO TRP ASN SEQRES 33 A 422 THR HIS VAL TRP LYS GLY SEQRES 1 B 422 CYS PRO ARG PHE LEU LYS VAL LYS ASN TRP GLU THR ASP SEQRES 2 B 422 VAL VAL LEU THR ASP THR LEU HIS LEU LYS SER THR LEU SEQRES 3 B 422 GLU THR GLY CYS THR GLU HIS ILE CYS MET GLY SER ILE SEQRES 4 B 422 MET LEU PRO SER GLN HIS THR ARG LYS PRO GLU ASP VAL SEQRES 5 B 422 ARG THR LYS ASP GLN LEU PHE PRO LEU ALA LYS GLU PHE SEQRES 6 B 422 LEU ASP GLN TYR TYR SER SER ILE LYS ARG PHE GLY SER SEQRES 7 B 422 LYS ALA HIS MET ASP ARG LEU GLU GLU VAL ASN LYS GLU SEQRES 8 B 422 ILE GLU SER THR SER THR TYR GLN LEU LYS ASP THR GLU SEQRES 9 B 422 LEU ILE TYR GLY ALA LYS HIS ALA TRP ARG ASN ALA SER SEQRES 10 B 422 ARG CYS VAL GLY ARG ILE GLN TRP SER LYS LEU GLN VAL SEQRES 11 B 422 PHE ASP ALA ARG ASP CYS THR THR ALA HIS GLY MET PHE SEQRES 12 B 422 ASN TYR ILE CYS ASN HIS VAL LYS TYR ALA THR ASN LYS SEQRES 13 B 422 GLY ASN LEU ARG SER ALA ILE THR ILE PHE PRO GLN ARG SEQRES 14 B 422 THR ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN SER GLN SEQRES 15 B 422 LEU ILE ARG TYR ALA GLY TYR LYS GLN PRO ASP GLY SER SEQRES 16 B 422 THR LEU GLY ASP PRO ALA ASN VAL GLN PHE THR GLU ILE SEQRES 17 B 422 CYS ILE GLN GLN GLY TRP LYS ALA PRO ARG GLY ARG PHE SEQRES 18 B 422 ASP VAL LEU PRO LEU LEU LEU GLN ALA ASN GLY ASN ASP SEQRES 19 B 422 PRO GLU LEU PHE GLN ILE PRO PRO GLU LEU VAL LEU GLU SEQRES 20 B 422 VAL PRO ILE ARG HIS PRO LYS PHE ASP TRP PHE LYS ASP SEQRES 21 B 422 LEU GLY LEU LYS TRP TYR GLY LEU PRO ALA VAL SER ASN SEQRES 22 B 422 MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA CYS SEQRES 23 B 422 PRO PHE SER GLY TRP TYR MET GLY THR GLU ILE GLY VAL SEQRES 24 B 422 ARG ASP TYR CYS ASP ASN SER ARG TYR ASN ILE LEU GLU SEQRES 25 B 422 GLU VAL ALA LYS LYS MET ASP LEU ASP MET ARG LYS THR SEQRES 26 B 422 SER SER LEU TRP LYS ASP GLN ALA LEU VAL GLU ILE ASN SEQRES 27 B 422 ILE ALA VAL LEU TYR SER PHE GLN SER ASP LYS VAL THR SEQRES 28 B 422 ILE VAL ASP HIS HIS SER ALA THR GLU SER PHE ILE LYS SEQRES 29 B 422 HIS MET GLU ASN GLU TYR ARG CYS ARG GLY GLY CYS PRO SEQRES 30 B 422 ALA ASP TRP VAL TRP ILE VAL PRO PRO MET SER GLY SER SEQRES 31 B 422 ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR ARG SEQRES 32 B 422 LEU THR PRO SER PHE GLU TYR GLN PRO ASP PRO TRP ASN SEQRES 33 B 422 THR HIS VAL TRP LYS GLY HET HEM A 750 43 HET H4B A 760 17 HET Q16 A 800 26 HET ACT A 860 4 HET ZN A1717 1 HET HEM B 750 43 HET H4B B 760 17 HET Q16 B 800 26 HET ACT B 860 4 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM Q16 6-((((3S, 5R)-5-(((6-AMINO-4-METHYLPYRIDIN-2-YL) HETNAM 2 Q16 METHOXY)METHYL)PYRROLIDIN-3-YL)OXY)METHYL)-4- HETNAM 3 Q16 METHYLPYRIDIN-2-AMINE HETNAM ACT ACETATE ION HETNAM ZN ZINC ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 H4B 2(C9 H15 N5 O3) FORMUL 5 Q16 2(C19 H27 N5 O2) FORMUL 6 ACT 2(C2 H3 O2 1-) FORMUL 7 ZN ZN 2+ FORMUL 12 HOH *339(H2 O) HELIX 1 1 THR A 315 SER A 320 5 6 HELIX 2 2 THR A 350 ILE A 369 1 20 HELIX 3 3 SER A 374 SER A 392 1 19 HELIX 4 4 LYS A 397 ASN A 411 1 15 HELIX 5 5 GLY A 417 TRP A 421 5 5 HELIX 6 6 THR A 434 ASN A 451 1 18 HELIX 7 7 LYS A 452 ASN A 454 5 3 HELIX 8 8 ASN A 498 GLN A 508 1 11 HELIX 9 9 PRO A 537 VAL A 541 5 5 HELIX 10 10 PHE A 551 GLY A 558 5 8 HELIX 11 11 GLY A 590 VAL A 595 1 6 HELIX 12 12 VAL A 595 ASP A 600 1 6 HELIX 13 13 ILE A 606 MET A 614 1 9 HELIX 14 14 LYS A 620 SER A 623 5 4 HELIX 15 15 LEU A 624 ASP A 644 1 21 HELIX 16 16 ASP A 650 GLY A 670 1 21 HELIX 17 17 ASP A 675 VAL A 680 1 6 HELIX 18 18 SER A 684 THR A 688 5 5 HELIX 19 19 THR A 688 HIS A 692 5 5 HELIX 20 20 ASP A 709 THR A 713 5 5 HELIX 21 21 THR B 315 SER B 320 5 6 HELIX 22 22 THR B 350 ILE B 369 1 20 HELIX 23 23 SER B 374 SER B 392 1 19 HELIX 24 24 LYS B 397 ASN B 411 1 15 HELIX 25 25 GLY B 417 TRP B 421 5 5 HELIX 26 26 THR B 434 ASN B 451 1 18 HELIX 27 27 LYS B 452 ASN B 454 5 3 HELIX 28 28 ASN B 498 GLN B 508 1 11 HELIX 29 29 PRO B 537 VAL B 541 5 5 HELIX 30 30 PHE B 551 GLY B 558 5 8 HELIX 31 31 GLY B 590 VAL B 595 1 6 HELIX 32 32 VAL B 595 ASP B 600 1 6 HELIX 33 33 ILE B 606 ASP B 615 1 10 HELIX 34 34 LYS B 620 SER B 623 5 4 HELIX 35 35 LEU B 624 ASP B 644 1 21 HELIX 36 36 ASP B 650 GLY B 670 1 21 HELIX 37 37 ASP B 675 VAL B 680 1 6 HELIX 38 38 SER B 684 THR B 688 5 5 HELIX 39 39 THR B 688 HIS B 692 5 5 HELIX 40 40 ASP B 709 HIS B 714 1 6 SHEET 1 AA 2 LEU A 301 LYS A 304 0 SHEET 2 AA 2 VAL A 311 ASP A 314 -1 O LEU A 312 N VAL A 303 SHEET 1 AB 4 GLN A 425 ASP A 428 0 SHEET 2 AB 4 ALA A 458 ILE A 461 1 O ILE A 459 N PHE A 427 SHEET 3 AB 4 PHE A 584 SER A 585 -1 O SER A 585 N ALA A 458 SHEET 4 AB 4 ALA A 566 VAL A 567 -1 O VAL A 567 N PHE A 584 SHEET 1 AC 3 ARG A 473 VAL A 474 0 SHEET 2 AC 3 LEU A 522 GLN A 525 -1 O GLN A 525 N ARG A 473 SHEET 3 AC 3 GLU A 532 PHE A 534 -1 O GLU A 532 N LEU A 524 SHEET 1 AD 2 GLY A 484 LYS A 486 0 SHEET 2 AD 2 THR A 492 GLY A 494 -1 O LEU A 493 N TYR A 485 SHEET 1 AE 2 GLU A 543 PRO A 545 0 SHEET 2 AE 2 LYS A 560 TYR A 562 -1 O TRP A 561 N VAL A 544 SHEET 1 AF 3 LEU A 577 PHE A 579 0 SHEET 2 AF 3 LEU A 571 ILE A 574 -1 O LEU A 572 N PHE A 579 SHEET 3 AF 3 SER A 703 GLU A 705 -1 O SER A 703 N GLU A 573 SHEET 1 AG 2 TYR A 588 MET A 589 0 SHEET 2 AG 2 ILE A 648 VAL A 649 1 N VAL A 649 O TYR A 588 SHEET 1 BA 2 LEU B 301 LYS B 304 0 SHEET 2 BA 2 VAL B 311 ASP B 314 -1 O LEU B 312 N VAL B 303 SHEET 1 BB 4 GLN B 425 ASP B 428 0 SHEET 2 BB 4 ALA B 458 ILE B 461 1 O ILE B 459 N PHE B 427 SHEET 3 BB 4 PHE B 584 SER B 585 -1 O SER B 585 N ALA B 458 SHEET 4 BB 4 ALA B 566 VAL B 567 -1 O VAL B 567 N PHE B 584 SHEET 1 BC 3 ARG B 473 VAL B 474 0 SHEET 2 BC 3 LEU B 522 GLN B 525 -1 O GLN B 525 N ARG B 473 SHEET 3 BC 3 GLU B 532 PHE B 534 -1 O GLU B 532 N LEU B 524 SHEET 1 BD 2 GLY B 484 LYS B 486 0 SHEET 2 BD 2 THR B 492 GLY B 494 -1 O LEU B 493 N TYR B 485 SHEET 1 BE 2 GLU B 543 PRO B 545 0 SHEET 2 BE 2 LYS B 560 TYR B 562 -1 O TRP B 561 N VAL B 544 SHEET 1 BF 3 LEU B 577 PHE B 579 0 SHEET 2 BF 3 LEU B 571 ILE B 574 -1 O LEU B 572 N PHE B 579 SHEET 3 BF 3 SER B 703 GLU B 705 -1 O SER B 703 N GLU B 573 SHEET 1 BG 2 TYR B 588 MET B 589 0 SHEET 2 BG 2 ILE B 648 VAL B 649 1 N VAL B 649 O TYR B 588 LINK SG CYS A 326 ZN ZN A1717 1555 1555 2.27 LINK SG CYS A 331 ZN ZN A1717 1555 1555 2.36 LINK SG CYS A 415 FE HEM A 750 1555 1555 2.36 LINK ZN ZN A1717 SG CYS B 326 1555 1555 2.39 LINK ZN ZN A1717 SG CYS B 331 1555 1555 2.47 LINK SG CYS B 415 FE HEM B 750 1555 1555 2.34 CISPEP 1 THR A 701 PRO A 702 0 -6.17 CISPEP 2 THR B 701 PRO B 702 0 -3.94 SITE 1 AC1 15 TRP A 409 CYS A 415 VAL A 416 PHE A 584 SITE 2 AC1 15 SER A 585 TRP A 587 MET A 589 GLU A 592 SITE 3 AC1 15 TRP A 678 PHE A 704 H4B A 760 Q16 A 800 SITE 4 AC1 15 HOH A2097 HOH A2137 HOH A2138 SITE 1 AC2 14 SER A 334 ARG A 596 VAL A 677 TRP A 678 SITE 2 AC2 14 HEM A 750 HOH A2009 HOH A2097 HOH A2099 SITE 3 AC2 14 HOH A2125 TRP B 676 PHE B 691 HIS B 692 SITE 4 AC2 14 GLN B 693 GLU B 694 SITE 1 AC3 8 LEU A 337 ARG A 414 VAL A 567 PHE A 584 SITE 2 AC3 8 TRP A 587 GLU A 592 TYR A 706 HEM A 750 SITE 1 AC4 3 TRP A 587 VAL A 649 HOH A2139 SITE 1 AC5 13 TRP B 409 CYS B 415 PHE B 584 SER B 585 SITE 2 AC5 13 TRP B 587 GLU B 592 TRP B 678 PHE B 704 SITE 3 AC5 13 H4B B 760 Q16 B 800 HOH B2168 HOH B2198 SITE 4 AC5 13 HOH B2199 SITE 1 AC6 13 TRP A 676 PHE A 691 HIS A 692 GLU A 694 SITE 2 AC6 13 SER B 334 ARG B 596 VAL B 677 TRP B 678 SITE 3 AC6 13 HEM B 750 HOH B2014 HOH B2168 HOH B2169 SITE 4 AC6 13 HOH B2189 SITE 1 AC7 9 ARG B 414 VAL B 567 PHE B 584 TRP B 587 SITE 2 AC7 9 GLU B 592 TYR B 706 HEM B 750 HOH B2158 SITE 3 AC7 9 HOH B2168 SITE 1 AC8 7 GLY B 417 TRP B 587 VAL B 649 HOH B2057 SITE 2 AC8 7 HOH B2060 HOH B2180 HOH B2200 SITE 1 AC9 4 CYS A 326 CYS A 331 CYS B 326 CYS B 331 CRYST1 51.929 110.870 164.439 90.00 90.00 90.00 P 21 21 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 0.019257 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009020 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006081 0.00000