HEADER OXIDOREDUCTASE 29-JUL-02 1M9J TITLE HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE WITH CHLORZOXAZONE 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 1M9J 1 REMARK LINK REVDAT 3 24-FEB-09 1M9J 1 VERSN REVDAT 2 11-DEC-02 1M9J 1 JRNL REVDAT 1 14-AUG-02 1M9J 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. 2.43 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) : 2.43 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 89.9 REMARK 3 NUMBER OF REFLECTIONS : 34502 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) : 0.216 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1709 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.43 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.58 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5305 REMARK 3 BIN R VALUE (WORKING SET) : 0.2870 REMARK 3 BIN FREE R VALUE : 0.3490 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 294 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 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 : 109 REMARK 3 SOLVENT ATOMS : 146 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 16.62000 REMARK 3 B22 (A**2) : -0.64000 REMARK 3 B33 (A**2) : -15.98000 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) : 0.40 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.40 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.190 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) : 1.370 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.240 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.120 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.120 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.29 REMARK 3 BSOL : 10.00 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 : CHLZ.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 : CHLZ.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 1M9J 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_1000016765. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-OCT-00 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 : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 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 : 34536 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.430 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 (%) : 89.9 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : 0.08000 REMARK 200 FOR THE DATA SET : 21.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.43 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.52 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.42500 REMARK 200 R SYM FOR SHELL (I) : 0.42500 REMARK 200 FOR SHELL : 5.300 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 (%): 53.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NACL, MPD, PEG, PH 5.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298.0K 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 35.53550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 77.91650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 44.94550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 77.91650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.53550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 44.94550 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: BIOLOGICALLY ACTIVE AS A DIMER. THE DIMER IS FORMED BY REMARK 300 CHAIN A, CHAIN B, TWO HEMES, AND ONE ZINC ATOM, DOES NOT REQUIRE REMARK 300 SYMMETRY OPERATIONS. 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: 8790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -126.0 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 SER A 203 -168.94 -166.61 REMARK 500 ARG A 221 14.20 54.64 REMARK 500 ARG A 238 165.75 177.37 REMARK 500 ARG A 255 97.82 -64.80 REMARK 500 ASP A 258 1.79 163.47 REMARK 500 HIS A 277 32.39 -96.91 REMARK 500 ASN A 283 11.94 -147.22 REMARK 500 ALA A 351 70.78 -163.45 REMARK 500 ARG A 372 -136.24 -113.34 REMARK 500 ARG B 221 14.70 58.35 REMARK 500 ASP B 258 21.16 175.30 REMARK 500 ASN B 283 26.77 -145.29 REMARK 500 ALA B 351 69.16 -155.40 REMARK 500 SER B 359 -47.05 -28.77 REMARK 500 ARG B 372 -140.15 -120.22 REMARK 500 CYS B 441 117.29 -160.27 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 A 94 SG REMARK 620 2 CYS A 99 SG 105.9 REMARK 620 3 CYS B 94 SG 127.4 103.1 REMARK 620 4 CYS B 99 SG 107.8 101.8 107.9 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 100.7 REMARK 620 3 HEM A 901 NB 95.7 89.1 REMARK 620 4 HEM A 901 NC 101.9 157.4 89.1 REMARK 620 5 HEM A 901 ND 100.1 88.0 164.1 87.7 REMARK 620 N 1 2 3 4 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 106.4 REMARK 620 3 HEM B 901 NB 100.4 86.1 REMARK 620 4 HEM B 901 NC 105.1 148.5 87.0 REMARK 620 5 HEM B 901 ND 106.0 89.2 153.4 83.5 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 HEM A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLW A 906 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLW 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: 1M9K RELATED DB: PDB REMARK 900 HUMAN ENOS WITH 7-NITROINDAZOLE 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 1M9J A 67 481 UNP P29474 NOS3_HUMAN 66 480 DBREF 1M9J 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 CLW A 906 11 HET HEM B 901 43 HET CLW B 907 11 HETNAM ZN ZINC ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CLW CHLORZOXAZONE HETSYN HEM HEME HETSYN CLW 5-CHLORO-2-BENZOXAZOLONE FORMUL 3 ZN ZN 2+ FORMUL 4 HEM 2(C34 H32 FE N4 O4) FORMUL 5 CLW 2(C7 H4 CL N O2) FORMUL 8 HOH *146(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 ASN A 180 1 15 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 MET A 358 THR A 364 1 7 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 ALA A 413 1 21 HELIX 16 16 ASP A 419 ARG A 438 1 20 HELIX 17 17 ASP A 444 VAL A 449 1 6 HELIX 18 18 SER A 453 THR A 457 5 5 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 ASN B 180 1 15 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 PHE B 323 GLY B 327 5 5 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 ALA B 413 1 21 HELIX 34 34 ASP B 419 ARG B 438 1 20 HELIX 35 35 ASP B 444 VAL B 449 1 6 HELIX 36 36 SER B 453 THR B 457 5 5 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 ARG B 70 LYS B 72 0 SHEET 2 G 2 ILE B 79 TYR B 81 -1 O THR B 80 N VAL B 71 SHEET 1 H 4 GLN B 194 ASP B 197 0 SHEET 2 H 4 ALA B 227 VAL B 230 1 O ILE B 228 N PHE B 196 SHEET 3 H 4 PHE B 353 SER B 354 -1 O SER B 354 N ALA B 227 SHEET 4 H 4 ALA B 335 VAL B 336 -1 N VAL B 336 O PHE B 353 SHEET 1 I 3 ARG B 242 ILE B 243 0 SHEET 2 I 3 LEU B 291 GLN B 294 -1 O GLN B 294 N ARG B 242 SHEET 3 I 3 GLU B 301 PHE B 303 -1 O PHE B 303 N LEU B 291 SHEET 1 J 2 GLY B 253 ARG B 255 0 SHEET 2 J 2 VAL B 261 GLY B 263 -1 O ARG B 262 N TYR B 254 SHEET 1 K 2 GLU B 312 PRO B 314 0 SHEET 2 K 2 ARG B 329 TYR B 331 -1 O TRP B 330 N VAL B 313 SHEET 1 L 3 LEU B 346 PHE B 348 0 SHEET 2 L 3 LEU B 340 ILE B 343 -1 N LEU B 341 O PHE B 348 SHEET 3 L 3 ALA B 472 ARG B 474 -1 O ARG B 474 N LEU B 340 LINK SG CYS A 94 ZN ZN A 903 1555 1555 2.25 LINK SG CYS A 99 ZN ZN A 903 1555 1555 2.22 LINK SG CYS A 184 FE HEM A 901 1555 1555 2.26 LINK ZN ZN A 903 SG CYS B 94 1555 1555 2.20 LINK ZN ZN A 903 SG CYS B 99 1555 1555 2.22 LINK SG CYS B 184 FE HEM B 901 1555 1555 2.29 CISPEP 1 SER A 470 PRO A 471 0 -0.02 CISPEP 2 SER B 470 PRO B 471 0 0.13 SITE 1 AC1 4 CYS A 94 CYS A 99 CYS B 94 CYS B 99 SITE 1 AC2 11 TRP A 178 CYS A 184 PHE A 353 SER A 354 SITE 2 AC2 11 TRP A 356 GLU A 361 TRP A 447 PHE A 473 SITE 3 AC2 11 TYR A 475 HOH A 704 CLW A 906 SITE 1 AC3 6 PHE A 353 TRP A 356 TYR A 357 MET A 358 SITE 2 AC3 6 GLU A 361 HEM A 901 SITE 1 AC4 11 TRP B 178 ARG B 183 CYS B 184 PHE B 353 SITE 2 AC4 11 SER B 354 TRP B 356 GLU B 361 TRP B 447 SITE 3 AC4 11 TYR B 475 HOH B 766 CLW B 907 SITE 1 AC5 6 PHE B 353 TRP B 356 TYR B 357 MET B 358 SITE 2 AC5 6 GLU B 361 HEM B 901 CRYST1 71.071 89.891 155.833 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 0.014070 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011125 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006417 0.00000 CONECT 220 6371 CONECT 262 6371 CONECT 826 6414 CONECT 3394 6371 CONECT 3436 6371 CONECT 4000 6468 CONECT 6371 220 262 3394 3436 CONECT 6372 6376 6403 CONECT 6373 6379 6386 CONECT 6374 6389 6393 CONECT 6375 6396 6400 CONECT 6376 6372 6377 6410 CONECT 6377 6376 6378 6381 CONECT 6378 6377 6379 6380 CONECT 6379 6373 6378 6410 CONECT 6380 6378 CONECT 6381 6377 6382 CONECT 6382 6381 6383 CONECT 6383 6382 6384 6385 CONECT 6384 6383 CONECT 6385 6383 CONECT 6386 6373 6387 6411 CONECT 6387 6386 6388 6390 CONECT 6388 6387 6389 6391 CONECT 6389 6374 6388 6411 CONECT 6390 6387 CONECT 6391 6388 6392 CONECT 6392 6391 CONECT 6393 6374 6394 6412 CONECT 6394 6393 6395 6397 CONECT 6395 6394 6396 6398 CONECT 6396 6375 6395 6412 CONECT 6397 6394 CONECT 6398 6395 6399 CONECT 6399 6398 CONECT 6400 6375 6401 6413 CONECT 6401 6400 6402 6404 CONECT 6402 6401 6403 6405 CONECT 6403 6372 6402 6413 CONECT 6404 6401 CONECT 6405 6402 6406 CONECT 6406 6405 6407 CONECT 6407 6406 6408 6409 CONECT 6408 6407 CONECT 6409 6407 CONECT 6410 6376 6379 6414 CONECT 6411 6386 6389 6414 CONECT 6412 6393 6396 6414 CONECT 6413 6400 6403 6414 CONECT 6414 826 6410 6411 6412 CONECT 6414 6413 CONECT 6415 6416 6420 CONECT 6416 6415 6417 CONECT 6417 6416 6418 6422 CONECT 6418 6417 6419 6424 CONECT 6419 6418 6420 CONECT 6420 6415 6419 6421 CONECT 6421 6420 CONECT 6422 6417 6423 CONECT 6423 6422 6424 6425 CONECT 6424 6418 6423 CONECT 6425 6423 CONECT 6426 6430 6457 CONECT 6427 6433 6440 CONECT 6428 6443 6447 CONECT 6429 6450 6454 CONECT 6430 6426 6431 6464 CONECT 6431 6430 6432 6435 CONECT 6432 6431 6433 6434 CONECT 6433 6427 6432 6464 CONECT 6434 6432 CONECT 6435 6431 6436 CONECT 6436 6435 6437 CONECT 6437 6436 6438 6439 CONECT 6438 6437 CONECT 6439 6437 CONECT 6440 6427 6441 6465 CONECT 6441 6440 6442 6444 CONECT 6442 6441 6443 6445 CONECT 6443 6428 6442 6465 CONECT 6444 6441 CONECT 6445 6442 6446 CONECT 6446 6445 CONECT 6447 6428 6448 6466 CONECT 6448 6447 6449 6451 CONECT 6449 6448 6450 6452 CONECT 6450 6429 6449 6466 CONECT 6451 6448 CONECT 6452 6449 6453 CONECT 6453 6452 CONECT 6454 6429 6455 6467 CONECT 6455 6454 6456 6458 CONECT 6456 6455 6457 6459 CONECT 6457 6426 6456 6467 CONECT 6458 6455 CONECT 6459 6456 6460 CONECT 6460 6459 6461 CONECT 6461 6460 6462 6463 CONECT 6462 6461 CONECT 6463 6461 CONECT 6464 6430 6433 6468 CONECT 6465 6440 6443 6468 CONECT 6466 6447 6450 6468 CONECT 6467 6454 6457 6468 CONECT 6468 4000 6464 6465 6466 CONECT 6468 6467 CONECT 6469 6470 6474 CONECT 6470 6469 6471 CONECT 6471 6470 6472 6476 CONECT 6472 6471 6473 6478 CONECT 6473 6472 6474 CONECT 6474 6469 6473 6475 CONECT 6475 6474 CONECT 6476 6471 6477 CONECT 6477 6476 6478 6479 CONECT 6478 6472 6477 CONECT 6479 6477 MASTER 397 0 5 36 32 0 11 6 6623 2 117 64 END