HEADER OXIDOREDUCTASE 29-JUL-02 1M9M TITLE HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE WITH 6-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, ENOS, COMPND 6 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,A.V.WALLACE, AUTHOR 2 D.J.STUEHR,J.A.TAINER,E.D.GETZOFF REVDAT 4 14-FEB-24 1M9M 1 REMARK LINK REVDAT 3 24-FEB-09 1M9M 1 VERSN REVDAT 2 11-DEC-02 1M9M 1 JRNL REVDAT 1 07-AUG-02 1M9M 0 JRNL AUTH R.J.ROSENFELD,E.D.GARCIN,K.PANDA,G.ANDERSSON,A.ABERG, JRNL AUTH 2 A.V.WALLACE,G.M.MORRIS,A.J.OLSON,D.J.STUEHR,J.A.TAINER, JRNL AUTH 3 E.D.GETZOFF JRNL TITL CONFORMATIONAL CHANGES IN NITRIC OXIDE SYNTHASES INDUCED BY JRNL TITL 2 CHLORZOXAZONE AND NITROINDAZOLES: CRYSTALLOGRAPHIC AND JRNL TITL 3 COMPUTATIONAL ANALYSES OF 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,D.J.STUEHR, REMARK 1 AUTH 2 J.A.TAINER REMARK 1 TITL STRUCTURE OF NITRIC OXIDE SYNTHASE OXYGENASE DIMER WITH REMARK 1 TITL 2 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. 1.96 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.96 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.03 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) (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 69278 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) : 0.193 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3517 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) : 1.96 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.08 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 9941 REMARK 3 BIN R VALUE (WORKING SET) : 0.2720 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 516 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6354 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 148 REMARK 3 SOLVENT ATOMS : 413 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.62000 REMARK 3 B22 (A**2) : 1.69000 REMARK 3 B33 (A**2) : -9.31000 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.160 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) : 1.440 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.170 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.150 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.220 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.31 REMARK 3 BSOL : 23.18 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 : 6NITRO_FLEX.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 : 6NITRO_FLEX.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 1M9M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-AUG-02. REMARK 100 THE DEPOSITION ID IS D_1000016768. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JAN-01 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 : BL11-1 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69487 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.960 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : 0.04600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 28.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.96 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.32100 REMARK 200 R SYM FOR SHELL (I) : 0.32100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.700 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 (%): 53.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 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 34.87850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 77.77550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 45.39100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 77.77550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.87850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 45.39100 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: 10270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -117.0 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 465 LYS B 481 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 67 CG CD CE NZ REMARK 470 ARG A 97 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 121 CG CD OE1 OE2 REMARK 470 GLU A 154 CG CD OE1 OE2 REMARK 470 LYS B 67 CG CD CE NZ REMARK 470 ARG B 97 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 GLN A 89 -77.46 -55.89 REMARK 500 ARG A 140 26.77 -141.64 REMARK 500 ASN A 283 26.86 -146.35 REMARK 500 ALA A 351 71.15 -157.90 REMARK 500 ARG A 372 -135.78 -119.21 REMARK 500 GLN B 89 -87.59 -61.29 REMARK 500 ARG B 238 140.42 178.97 REMARK 500 ASN B 283 19.30 -151.22 REMARK 500 ALA B 351 72.09 -156.43 REMARK 500 ARG B 372 -136.73 -120.23 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 6NI A 906 REMARK 615 6NI B 907 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 A 94 SG REMARK 620 2 CYS A 99 SG 107.6 REMARK 620 3 CYS B 94 SG 119.4 108.7 REMARK 620 4 CYS B 99 SG 107.5 104.9 107.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 901 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 184 SG REMARK 620 2 HEM A 901 NA 102.4 REMARK 620 3 HEM A 901 NB 94.7 88.6 REMARK 620 4 HEM A 901 NC 99.4 158.2 89.8 REMARK 620 5 HEM A 901 ND 100.9 88.8 164.3 87.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A1000 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 357 OH REMARK 620 2 HOH A1147 O 132.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 901 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 184 SG REMARK 620 2 HEM B 901 NA 103.6 REMARK 620 3 HEM B 901 NB 93.4 89.3 REMARK 620 4 HEM B 901 NC 99.1 157.2 88.4 REMARK 620 5 HEM B 901 ND 104.1 88.6 162.4 86.8 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 ZN A 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 1000 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 6NI A 906 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 6NI B 907 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA B 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA B 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 604 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 605 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: 1M9K RELATED DB: PDB REMARK 900 HUMAN ENOS WITH 7-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 1M9M A 67 481 UNP P29474 NOS3_HUMAN 66 480 DBREF 1M9M 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 NA A1000 1 HET HEM A 901 43 HET 6NI A 906 12 HET IPA A 602 4 HET MPD A 603 8 HET MPD A 604 8 HET MPD A 605 8 HET HEM B 901 43 HET 6NI B 907 12 HET IPA B 600 4 HET IPA B 601 4 HETNAM ZN ZINC ION HETNAM NA SODIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 6NI 6-NITROINDAZOLE HETNAM IPA ISOPROPYL ALCOHOL HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETSYN HEM HEME HETSYN IPA 2-PROPANOL FORMUL 3 ZN ZN 2+ FORMUL 4 NA NA 1+ FORMUL 5 HEM 2(C34 H32 FE N4 O4) FORMUL 6 6NI 2(C7 H5 N3 O2) FORMUL 7 IPA 3(C3 H8 O) FORMUL 8 MPD 3(C6 H14 O2) FORMUL 15 HOH *413(H2 O) HELIX 1 1 LEU A 84 ALA A 88 5 5 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 TRP A 190 5 5 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 LEU A 320 GLY A 327 5 8 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 LEU B 84 ALA B 88 5 5 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 LEU B 193 5 8 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 SER B 359 THR B 364 1 6 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 SHEET 1 N 2 TYR B 357 MET B 358 0 SHEET 2 N 2 ILE B 417 VAL B 418 1 O VAL B 418 N TYR B 357 LINK SG CYS A 94 ZN ZN A 903 1555 1555 2.29 LINK SG CYS A 99 ZN ZN A 903 1555 1555 2.28 LINK SG CYS A 184 FE HEM A 901 1555 1555 2.33 LINK OH TYR A 357 NA NA A1000 1555 1555 2.87 LINK ZN ZN A 903 SG CYS B 94 1555 1555 2.27 LINK ZN ZN A 903 SG CYS B 99 1555 1555 2.33 LINK NA NA A1000 O HOH A1147 1555 1555 2.82 LINK SG CYS B 184 FE HEM B 901 1555 1555 2.38 CISPEP 1 SER A 470 PRO A 471 0 0.06 CISPEP 2 SER B 470 PRO B 471 0 0.00 SITE 1 AC1 4 CYS A 94 CYS A 99 CYS B 94 CYS B 99 SITE 1 AC2 4 GLN A 247 TYR A 357 ASN A 366 HOH A1147 SITE 1 AC3 12 TRP A 178 ARG A 183 CYS A 184 SER A 226 SITE 2 AC3 12 PHE A 353 SER A 354 TRP A 356 GLU A 361 SITE 3 AC3 12 TRP A 447 PHE A 473 TYR A 475 6NI A 906 SITE 1 AC4 7 GLY A 355 TRP A 356 TYR A 357 MET A 358 SITE 2 AC4 7 GLU A 361 HEM A 901 HOH A1202 SITE 1 AC5 10 TRP B 178 CYS B 184 PHE B 353 SER B 354 SITE 2 AC5 10 TRP B 356 GLU B 361 TRP B 447 PHE B 473 SITE 3 AC5 10 TYR B 475 6NI B 907 SITE 1 AC6 7 PRO B 334 PHE B 353 TRP B 356 TYR B 357 SITE 2 AC6 7 MET B 358 GLU B 361 HEM B 901 SITE 1 AC7 4 TRP B 356 VAL B 418 SER B 426 HOH B1092 SITE 1 AC8 4 GLY A 101 SER A 102 HOH A1199 HOH B1091 SITE 1 AC9 8 TRP A 279 THR A 280 PRO A 281 GLY A 282 SITE 2 AC9 8 HOH A1034 GLY B 142 HIS B 146 GLU B 147 SITE 1 BC1 11 TRP A 445 PHE A 460 HIS A 461 GLN A 462 SITE 2 BC1 11 HOH A1197 VAL B 104 ALA B 446 TRP B 447 SITE 3 BC1 11 HOH B1086 HOH B1089 HOH B1090 SITE 1 BC2 3 TRP A 356 VAL A 418 SER A 426 SITE 1 BC3 8 VAL A 104 ALA A 446 TRP A 447 HOH A1198 SITE 2 BC3 8 TRP B 74 PHE B 460 HIS B 461 HOH B1045 CRYST1 69.757 90.782 155.551 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 0.014335 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011015 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006429 0.00000