PDB Short entry for 1M9K HEADER OXIDOREDUCTASE 29-JUL-02 1M9K TITLE HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE WITH 7- TITLE 2 NITROINDAZOLE BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDOTHELIAL NITRIC-OXIDE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: OXYGENASE DOMAIN; COMPND 5 SYNONYM: EC-NOS, NOS, TYPE III, NOSIII, ENDOTHELIAL NOS, COMPND 6 ENOS, CONSTITUTIVE NOS, CNOS; COMPND 7 EC: 1.14.13.39; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR R.J.ROSENFELD,E.D.GARCIN,K.PANDA,G.ANDERSSON,A.ABERG, AUTHOR 2 A.V.WALLACE,D.J.STUEHR,J.A.TAINER,E.D.GETZOFF REVDAT 3 24-FEB-09 1M9K 1 VERSN REVDAT 2 11-DEC-02 1M9K 1 JRNL REVDAT 1 14-AUG-02 1M9K 0 JRNL AUTH R.J.ROSENFELD,E.D.GARCIN,K.PANDA,G.ANDERSSON, JRNL AUTH 2 A.ABERG,A.V.WALLACE,G.M.MORRIS,A.J.OLSON, JRNL AUTH 3 D.J.STUEHR,J.A.TAINER,E.D.GETZOFF JRNL TITL CONFORMATIONAL CHANGES IN NITRIC OXIDE SYNTHASES JRNL TITL 2 INDUCED BY CHLORZOXAZONE AND NITROINDAZOLES: JRNL TITL 3 CRYSTALLOGRAPHIC AND COMPUTATIONAL ANALYSES OF JRNL TITL 4 INHIBITOR POTENCY JRNL REF BIOCHEMISTRY V. 41 13915 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12437348 JRNL DOI 10.1021/BI026313J REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.R.CRANE,A.S.ARVAI,D.K.GHOSH,C.WU,E.D.GETZOFF, REMARK 1 AUTH 2 D.J.STUEHR,J.A.TAINER REMARK 1 TITL STRUCTURE OF NITRIC OXIDE SYNTHASE OXYGENASE DIMER REMARK 1 TITL 2 WITH PTERIN AND SUBSTRATE REMARK 1 REF SCIENCE V. 279 2121 1998 REMARK 1 REFN ISSN 0036-8075 REMARK 1 DOI 10.1126/SCIENCE.279.5359.2121 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 66045 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 SET) : 0.196 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3352 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.01 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.14 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 9850 REMARK 3 BIN R VALUE (WORKING SET) : 0.2260 REMARK 3 BIN FREE R VALUE : 0.2600 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 547 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.011 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6368 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 135 REMARK 3 SOLVENT ATOMS : 412 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.43000 REMARK 3 B22 (A**2) : 1.99000 REMARK 3 B33 (A**2) : -8.42000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.17 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.180 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.750 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.970 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.890 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 30.34 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : PARAM19X.HEME REMARK 3 PARAMETER FILE 4 : 7NITRO.PAR REMARK 3 PARAMETER FILE 5 : MISC.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 4 : 7NITRO.TOP REMARK 3 TOPOLOGY FILE 5 : MISC.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1M9K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-AUG-02. REMARK 100 THE RCSB ID CODE IS RCSB016766. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 66080 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : 0.04200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 31.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.23900 REMARK 200 R SYM FOR SHELL (I) : 0.23900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NACL, MPD, PEG, PH 5.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 34.89300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 78.04800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 45.78650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 78.04800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.89300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 45.78650 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 300 REMARK: BIOLOGICAL DIMER FORMED BY CHAIN A, CHAIN B, TWO HEMES, REMARK 300 ONE ZINC. 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: 8870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -113.0 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 PRO A 106 REMARK 465 ARG A 107 REMARK 465 LYS A 108 REMARK 465 LEU A 109 REMARK 465 GLN A 110 REMARK 465 GLY A 111 REMARK 465 ARG A 112 REMARK 465 PRO A 113 REMARK 465 SER A 114 REMARK 465 PRO A 115 REMARK 465 GLY A 116 REMARK 465 PRO A 117 REMARK 465 PRO A 118 REMARK 465 ALA A 119 REMARK 465 LYS A 481 REMARK 465 PRO B 106 REMARK 465 ARG B 107 REMARK 465 LYS B 108 REMARK 465 LEU B 109 REMARK 465 GLN B 110 REMARK 465 GLY B 111 REMARK 465 ARG B 112 REMARK 465 PRO B 113 REMARK 465 SER B 114 REMARK 465 PRO B 115 REMARK 465 GLY B 116 REMARK 465 PRO B 117 REMARK 465 PRO B 118 REMARK 465 ALA B 119 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 121 CG CD OE1 OE2 REMARK 470 ASN A 283 CG OD1 ND2 REMARK 470 GLU A 321 CG CD OE1 OE2 REMARK 470 ARG A 388 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 70 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 121 CG CD OE1 OE2 REMARK 470 ARG B 388 CG CD NE CZ NH1 NH2 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 ARG A 238 133.70 -179.51 REMARK 500 ASP A 258 -5.37 144.14 REMARK 500 ASN A 283 19.72 -149.01 REMARK 500 ALA A 351 69.42 -159.97 REMARK 500 ARG A 372 -133.73 -119.25 REMARK 500 CYS A 441 117.75 -163.75 REMARK 500 ASP B 258 0.32 168.34 REMARK 500 ASN B 283 27.78 -144.53 REMARK 500 ALA B 351 71.46 -160.05 REMARK 500 ARG B 372 -135.09 -118.68 REMARK 500 CYS B 441 120.50 -170.92 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 B 475 0.07 SIDE_CHAIN 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 A 903 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 94 SG REMARK 620 2 CYS A 99 SG 105.3 REMARK 620 3 CYS B 99 SG 107.3 105.5 REMARK 620 4 CYS A 94 SG 120.0 109.0 108.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 903 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 901 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 901 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 7NI A 906 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 7NI B 907 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1M8D RELATED DB: PDB REMARK 900 INOS WITH CHLORZOXAZONE BOUND REMARK 900 RELATED ID: 1M8E RELATED DB: PDB REMARK 900 INOS WITH 7-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1M8H RELATED DB: PDB REMARK 900 INOS WITH 6-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1M8I RELATED DB: PDB REMARK 900 INOS WITH 5-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1M9J RELATED DB: PDB REMARK 900 HUMAN ENOS WITH CHLORZOXAZONE BOUND REMARK 900 RELATED ID: 1M9M RELATED DB: PDB REMARK 900 HUMAN ENOS WITH 6-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1M9Q RELATED DB: PDB REMARK 900 HUMAN ENOS WITH 5-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1M9R RELATED DB: PDB REMARK 900 HUMAN ENOS WITH 3-BROMO-7-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1M9T RELATED DB: PDB REMARK 900 INOS WITH WITH 3-BROMO-7-NITROINDAZOLE BOUND REMARK 900 RELATED ID: 1NOD RELATED DB: PDB REMARK 900 INOS WITH SUBSTRATE BOUND REMARK 900 RELATED ID: 3NOD RELATED DB: PDB REMARK 900 HUMAN ENOS WITH SUBSTRATE BOUND DBREF 1M9K A 67 481 UNP P29474 NOS3_HUMAN 66 480 DBREF 1M9K B 67 481 UNP P29474 NOS3_HUMAN 66 480 SEQRES 1 A 415 LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE SEQRES 2 A 415 THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY SEQRES 3 A 415 PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE SEQRES 4 A 415 PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO SEQRES 5 A 415 ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE SEQRES 6 A 415 ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN SEQRES 7 A 415 ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL SEQRES 8 A 415 ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU SEQRES 9 A 415 VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG SEQRES 10 A 415 CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE SEQRES 11 A 415 ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR SEQRES 12 A 415 TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY SEQRES 13 A 415 ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS SEQRES 14 A 415 PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU SEQRES 15 A 415 VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL SEQRES 16 A 415 ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS SEQRES 17 A 415 ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP SEQRES 18 A 415 VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO SEQRES 19 A 415 GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL SEQRES 20 A 415 PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU SEQRES 21 A 415 GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET SEQRES 22 A 415 LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO SEQRES 23 A 415 PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG SEQRES 24 A 415 ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP SEQRES 25 A 415 VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER SEQRES 26 A 415 SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL SEQRES 27 A 415 ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE SEQRES 28 A 415 VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS SEQRES 29 A 415 LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA SEQRES 30 A 415 ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU SEQRES 31 A 415 THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU SEQRES 32 A 415 SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP LYS SEQRES 1 B 415 LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE SEQRES 2 B 415 THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY SEQRES 3 B 415 PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE SEQRES 4 B 415 PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO SEQRES 5 B 415 ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE SEQRES 6 B 415 ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN SEQRES 7 B 415 ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL SEQRES 8 B 415 ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU SEQRES 9 B 415 VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG SEQRES 10 B 415 CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE SEQRES 11 B 415 ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR SEQRES 12 B 415 TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY SEQRES 13 B 415 ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS SEQRES 14 B 415 PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU SEQRES 15 B 415 VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL SEQRES 16 B 415 ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS SEQRES 17 B 415 ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP SEQRES 18 B 415 VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO SEQRES 19 B 415 GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL SEQRES 20 B 415 PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU SEQRES 21 B 415 GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET SEQRES 22 B 415 LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO SEQRES 23 B 415 PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG SEQRES 24 B 415 ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP SEQRES 25 B 415 VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER SEQRES 26 B 415 SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL SEQRES 27 B 415 ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE SEQRES 28 B 415 VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS SEQRES 29 B 415 LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA SEQRES 30 B 415 ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU SEQRES 31 B 415 THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU SEQRES 32 B 415 SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP LYS HET ZN A 903 1 HET HEM A 901 43 HET HEM B 901 43 HET 7NI A 906 24 HET 7NI B 907 24 HETNAM ZN ZINC ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 7NI 7-NITROINDAZOLE HETSYN HEM HEME FORMUL 3 ZN ZN 2+ FORMUL 4 HEM 2(C34 H32 FE N4 O4) FORMUL 6 7NI 2(C7 H5 N3 O2) FORMUL 8 HOH *412(H2 O) HELIX 1 1 THR A 83 ALA A 88 5 6 HELIX 2 2 PRO A 120 ILE A 138 1 19 HELIX 3 3 SER A 143 GLY A 161 1 19 HELIX 4 4 ARG A 166 ALA A 181 1 16 HELIX 5 5 GLY A 186 LEU A 193 5 8 HELIX 6 6 SER A 203 ASN A 220 1 18 HELIX 7 7 ARG A 221 ASN A 223 5 3 HELIX 8 8 ASN A 267 HIS A 277 1 11 HELIX 9 9 PRO A 306 VAL A 310 5 5 HELIX 10 10 TRP A 322 GLY A 327 5 6 HELIX 11 11 SER A 359 THR A 364 1 6 HELIX 12 12 THR A 364 ASP A 369 1 6 HELIX 13 13 ILE A 375 MET A 383 1 9 HELIX 14 14 THR A 389 SER A 392 5 4 HELIX 15 15 LEU A 393 LYS A 414 1 22 HELIX 16 16 ASP A 419 GLY A 439 1 21 HELIX 17 17 ASP A 444 VAL A 449 1 6 HELIX 18 18 SER A 453 GLN A 462 5 10 HELIX 19 19 THR B 83 ALA B 88 5 6 HELIX 20 20 PRO B 120 ILE B 138 1 19 HELIX 21 21 SER B 143 GLY B 161 1 19 HELIX 22 22 ARG B 166 ALA B 181 1 16 HELIX 23 23 GLY B 186 TRP B 190 5 5 HELIX 24 24 SER B 203 ASN B 220 1 18 HELIX 25 25 ARG B 221 ASN B 223 5 3 HELIX 26 26 ASN B 267 HIS B 277 1 11 HELIX 27 27 PRO B 306 VAL B 310 5 5 HELIX 28 28 TRP B 322 GLY B 327 5 6 HELIX 29 29 MET B 358 THR B 364 1 7 HELIX 30 30 THR B 364 ASP B 369 1 6 HELIX 31 31 ILE B 375 MET B 383 1 9 HELIX 32 32 THR B 389 SER B 392 5 4 HELIX 33 33 LEU B 393 LYS B 414 1 22 HELIX 34 34 ASP B 419 GLY B 439 1 21 HELIX 35 35 ASP B 444 VAL B 449 1 6 HELIX 36 36 SER B 453 GLN B 462 5 10 SHEET 1 A 2 ARG A 70 LYS A 72 0 SHEET 2 A 2 ILE A 79 TYR A 81 -1 O THR A 80 N VAL A 71 SHEET 1 B 4 GLN A 194 ASP A 197 0 SHEET 2 B 4 ALA A 227 VAL A 230 1 O ILE A 228 N PHE A 196 SHEET 3 B 4 PHE A 353 SER A 354 -1 O SER A 354 N ALA A 227 SHEET 4 B 4 ALA A 335 VAL A 336 -1 N VAL A 336 O PHE A 353 SHEET 1 C 3 ARG A 242 ILE A 243 0 SHEET 2 C 3 LEU A 291 GLN A 294 -1 O GLN A 294 N ARG A 242 SHEET 3 C 3 GLU A 301 PHE A 303 -1 O PHE A 303 N LEU A 291 SHEET 1 D 2 GLY A 253 ARG A 255 0 SHEET 2 D 2 VAL A 261 GLY A 263 -1 O ARG A 262 N TYR A 254 SHEET 1 E 2 GLU A 312 PRO A 314 0 SHEET 2 E 2 ARG A 329 TYR A 331 -1 O TRP A 330 N VAL A 313 SHEET 1 F 3 LEU A 346 PHE A 348 0 SHEET 2 F 3 LEU A 340 ILE A 343 -1 N LEU A 341 O PHE A 348 SHEET 3 F 3 ALA A 472 ARG A 474 -1 O ARG A 474 N LEU A 340 SHEET 1 G 2 TYR A 357 MET A 358 0 SHEET 2 G 2 ILE A 417 VAL A 418 1 O VAL A 418 N TYR A 357 SHEET 1 H 2 ARG B 70 LYS B 72 0 SHEET 2 H 2 ILE B 79 TYR B 81 -1 O THR B 80 N VAL B 71 SHEET 1 I 4 GLN B 194 ASP B 197 0 SHEET 2 I 4 ALA B 227 VAL B 230 1 O ILE B 228 N PHE B 196 SHEET 3 I 4 PHE B 353 SER B 354 -1 O SER B 354 N ALA B 227 SHEET 4 I 4 ALA B 335 VAL B 336 -1 N VAL B 336 O PHE B 353 SHEET 1 J 3 ARG B 242 ILE B 243 0 SHEET 2 J 3 LEU B 291 GLN B 294 -1 O GLN B 294 N ARG B 242 SHEET 3 J 3 GLU B 301 PHE B 303 -1 O PHE B 303 N LEU B 291 SHEET 1 K 2 GLY B 253 ARG B 255 0 SHEET 2 K 2 VAL B 261 GLY B 263 -1 O ARG B 262 N TYR B 254 SHEET 1 L 2 GLU B 312 PRO B 314 0 SHEET 2 L 2 ARG B 329 TYR B 331 -1 O TRP B 330 N VAL B 313 SHEET 1 M 3 LEU B 346 PHE B 348 0 SHEET 2 M 3 LEU B 340 ILE B 343 -1 N LEU B 341 O PHE B 348 SHEET 3 M 3 ALA B 472 ARG B 474 -1 O ARG B 474 N LEU B 340 LINK FE HEM A 901 SG CYS A 184 1555 1555 2.29 LINK ZN ZN A 903 SG CYS B 94 1555 1555 2.30 LINK ZN ZN A 903 SG CYS A 99 1555 1555 2.27 LINK ZN ZN A 903 SG CYS B 99 1555 1555 2.29 LINK ZN ZN A 903 SG CYS A 94 1555 1555 2.28 LINK FE HEM B 901 SG CYS B 184 1555 1555 2.34 CISPEP 1 SER A 470 PRO A 471 0 0.00 CISPEP 2 SER B 470 PRO B 471 0 0.25 SITE 1 AC1 4 CYS A 94 CYS A 99 CYS B 94 CYS B 99 SITE 1 AC2 12 TRP A 178 ARG A 183 CYS A 184 PHE A 353 SITE 2 AC2 12 SER A 354 TRP A 356 GLU A 361 TRP A 447 SITE 3 AC2 12 TYR A 475 7NI A 906 HOH A 937 HOH A1104 SITE 1 AC3 14 TRP B 178 ARG B 183 CYS B 184 PHE B 353 SITE 2 AC3 14 SER B 354 TRP B 356 MET B 358 GLU B 361 SITE 3 AC3 14 TRP B 447 PHE B 473 TYR B 475 7NI B 907 SITE 4 AC3 14 HOH B 995 HOH B1072 SITE 1 AC4 8 PRO A 334 VAL A 336 GLY A 355 TRP A 356 SITE 2 AC4 8 TYR A 357 MET A 358 GLU A 361 HEM A 901 SITE 1 AC5 8 PRO B 334 VAL B 336 GLY B 355 TRP B 356 SITE 2 AC5 8 TYR B 357 MET B 358 GLU B 361 HEM B 901 CRYST1 69.786 91.573 156.096 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 0.014330 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010920 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006406 0.00000