HEADER OXIDOREDUCTASE 02-AUG-06 2HX2 TITLE BOVINE ENOS HEME DOMAIN COMPLEXED WITH (4S)-N-{4-AMINO-5-[(2- TITLE 2 AMINOETHYL)-HYDROXYAMINO]-PENTYL}-N'-NITROGUANIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC-OXIDE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 66-481; 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: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: NOS3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PCWORI KEYWDS NITRIC OXIDE SYNTHASE, HEME ENZYME, INHIBITOR, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.IGARASHI,H.LI,T.L.POULOS REVDAT 5 14-FEB-24 2HX2 1 REMARK LINK REVDAT 4 13-JUL-11 2HX2 1 VERSN REVDAT 3 24-FEB-09 2HX2 1 VERSN REVDAT 2 22-MAY-07 2HX2 1 JRNL REVDAT 1 24-APR-07 2HX2 0 JRNL AUTH J.SEO,J.IGARASHI,H.LI,P.MARTASEK,L.J.ROMAN,T.L.POULOS, JRNL AUTH 2 R.B.SILVERMAN JRNL TITL STRUCTURE-BASED DESIGN AND SYNTHESIS OF JRNL TITL 2 N(OMEGA)-NITRO-L-ARGININE-CONTAINING PEPTIDOMIMETICS AS JRNL TITL 3 SELECTIVE INHIBITORS OF NEURONAL NITRIC OXIDE SYNTHASE. JRNL TITL 4 DISPLACEMENT OF THE HEME STRUCTURAL WATER. JRNL REF J.MED.CHEM. V. 50 2089 2007 JRNL REFN ISSN 0022-2623 JRNL PMID 17425297 JRNL DOI 10.1021/JM061305C REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.FLINSPACH,H.LI,J.JAMAL,W.YANG,H.HUANG,J.M.HAH, REMARK 1 AUTH 2 A.GOMEZ-VIDAL,E.A.LITZINGER,R.B.SILVERMAN,T.L.POULOS REMARK 1 TITL STRUCTURAL BASIS FOR DIPEPTIDE AMIDE ISOFORM-SELECTIVE REMARK 1 TITL 2 INHIBITION OF NEURONAL NITRIC OXIDE SYNTHASE REMARK 1 REF NAT.STRUCT.MOL.BIOL. V. 11 54 2004 REMARK 1 REFN ISSN 1545-9993 REMARK 1 PMID 14718923 REMARK 1 DOI 10.1038/NSMB704 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.36 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2473448.950 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 69931 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) : 0.180 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3472 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) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 10455 REMARK 3 BIN R VALUE (WORKING SET) : 0.2410 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 542 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.012 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6404 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 191 REMARK 3 SOLVENT ATOMS : 537 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.14000 REMARK 3 B22 (A**2) : -0.51000 REMARK 3 B33 (A**2) : -4.64000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.19 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.030 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 48.48 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : HETERO.PAR REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : 3HX.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : HETERO.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : 3HX.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2HX2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-AUG-06. REMARK 100 THE DEPOSITION ID IS D_1000038860. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-DEC-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL1-5 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9998 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69992 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 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 (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : 0.05200 REMARK 200 FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.55800 REMARK 200 R SYM FOR SHELL (I) : 0.55800 REMARK 200 FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS 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 (%): 52.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350, CACODYLATE MG ACETATE, TCEP, REMARK 280 PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 280K 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 28.91000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 78.17500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 53.42500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 78.17500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.91000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 53.42500 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12720 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -77.0 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 ARG A 109 REMARK 465 LYS A 110 REMARK 465 LEU A 111 REMARK 465 GLN A 112 REMARK 465 THR A 113 REMARK 465 ARG A 114 REMARK 465 PRO A 115 REMARK 465 SER A 116 REMARK 465 PRO A 117 REMARK 465 GLY A 118 REMARK 465 PRO A 119 REMARK 465 PRO A 120 REMARK 465 PRO A 121 REMARK 465 GLY B 67 REMARK 465 PRO B 68 REMARK 465 LYS B 110 REMARK 465 LEU B 111 REMARK 465 GLN B 112 REMARK 465 THR B 113 REMARK 465 ARG B 114 REMARK 465 PRO B 115 REMARK 465 SER B 116 REMARK 465 PRO B 117 REMARK 465 GLY B 118 REMARK 465 PRO B 119 REMARK 465 PRO B 120 REMARK 465 PRO B 121 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH B 1145 O HOH B 1146 2.08 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 260 2.21 -68.14 REMARK 500 ASN A 285 25.54 -147.70 REMARK 500 ALA A 353 70.21 -155.48 REMARK 500 ARG A 374 -135.42 -122.32 REMARK 500 ARG B 142 32.05 -144.82 REMARK 500 SER B 145 177.92 -58.33 REMARK 500 SER B 262 -178.39 -66.42 REMARK 500 ASN B 285 24.75 -149.09 REMARK 500 ALA B 353 69.15 -156.72 REMARK 500 THR B 366 -62.62 -97.36 REMARK 500 ARG B 374 -135.25 -120.38 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 137 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 900 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 96 SG REMARK 620 2 CYS A 101 SG 109.3 REMARK 620 3 CYS B 96 SG 120.9 104.6 REMARK 620 4 CYS B 101 SG 107.2 105.8 108.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 700 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 186 SG REMARK 620 2 HEM A 700 NA 101.7 REMARK 620 3 HEM A 700 NB 97.1 87.4 REMARK 620 4 HEM A 700 NC 100.1 158.2 89.1 REMARK 620 5 HEM A 700 ND 99.4 89.6 163.5 87.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CAC A 850 AS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 384 SG REMARK 620 2 CAC A 850 C1 100.9 REMARK 620 3 CAC A 850 C2 96.8 96.7 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 700 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 186 SG REMARK 620 2 HEM B 700 NA 101.0 REMARK 620 3 HEM B 700 NB 95.9 89.3 REMARK 620 4 HEM B 700 NC 101.5 157.4 90.5 REMARK 620 5 HEM B 700 ND 98.5 88.0 165.6 86.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CAC B 850 AS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 384 SG REMARK 620 2 CAC B 850 C1 94.8 REMARK 620 3 CAC B 850 C2 96.3 95.3 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 850 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 861 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC B 850 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 860 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 861 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 700 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 760 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3HX A 793 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 700 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 760 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3HX B 793 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 880 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 880 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2HX3 RELATED DB: PDB REMARK 900 RAT NNOS HEME DOMAIN COMPLEXED WITH (4S)-N-{4-AMINO-5-[(2- REMARK 900 AMINOETHYL)-HYDROXYAMINO]-PENTYL}-N'-NITROGUANIDINE REMARK 900 RELATED ID: 2HX4 RELATED DB: PDB REMARK 900 RAT NNOS HEME DOMAIN COMPLEXED WITH 4-N-(NW-NITRO-L-ARGININYL)- REMARK 900 TRANS-4-HYDROXYAMINO-L-PROLINE AMIDE REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHORS STATE THAT RESIDUE AT POSITION 100 IS AN ARG AS REMARK 999 SUPPORTED BY OBSERVED ELECTRON DENSITY DBREF 2HX2 A 67 482 UNP P29473 NOS3_BOVIN 66 481 DBREF 2HX2 B 67 482 UNP P29473 NOS3_BOVIN 66 481 SEQADV 2HX2 ARG A 100 UNP P29473 CYS 99 SEE REMARK 999 SEQADV 2HX2 ARG B 100 UNP P29473 CYS 99 SEE REMARK 999 SEQRES 1 A 416 GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU LEU GLY SEQRES 2 A 416 SER ILE THR TYR ASP THR LEU CYS ALA GLN SER GLN GLN SEQRES 3 A 416 ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU SEQRES 4 A 416 VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER PRO GLY SEQRES 5 A 416 PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA ARG ASP SEQRES 6 A 416 PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SEQRES 7 A 416 SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL GLU ALA SEQRES 8 A 416 GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG GLU SER SEQRES 9 A 416 GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA SEQRES 10 A 416 PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN SEQRES 11 A 416 VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN GLU MET SEQRES 12 A 416 PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN SEQRES 13 A 416 ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN SEQRES 14 A 416 ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER SEQRES 15 A 416 GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SEQRES 16 A 416 SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU SEQRES 17 A 416 LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG SEQRES 18 A 416 PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU SEQRES 19 A 416 ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU VAL LEU SEQRES 20 A 416 GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA SEQRES 21 A 416 ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER SEQRES 22 A 416 ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA SEQRES 23 A 416 ALA PRO PHE SER GLY TRP TYR MET SER THR GLU ILE GLY SEQRES 24 A 416 THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU SEQRES 25 A 416 GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR SEQRES 26 A 416 THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE SEQRES 27 A 416 ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA LYS VAL SEQRES 28 A 416 THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER PHE MET SEQRES 29 A 416 LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY GLY CYS SEQRES 30 A 416 PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SEQRES 31 A 416 SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR SEQRES 32 A 416 ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP SEQRES 1 B 416 GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU LEU GLY SEQRES 2 B 416 SER ILE THR TYR ASP THR LEU CYS ALA GLN SER GLN GLN SEQRES 3 B 416 ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU SEQRES 4 B 416 VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER PRO GLY SEQRES 5 B 416 PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA ARG ASP SEQRES 6 B 416 PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SEQRES 7 B 416 SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL GLU ALA SEQRES 8 B 416 GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG GLU SER SEQRES 9 B 416 GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA SEQRES 10 B 416 PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN SEQRES 11 B 416 VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN GLU MET SEQRES 12 B 416 PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN SEQRES 13 B 416 ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN SEQRES 14 B 416 ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER SEQRES 15 B 416 GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SEQRES 16 B 416 SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU SEQRES 17 B 416 LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG SEQRES 18 B 416 PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU SEQRES 19 B 416 ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU VAL LEU SEQRES 20 B 416 GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA SEQRES 21 B 416 ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER SEQRES 22 B 416 ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA SEQRES 23 B 416 ALA PRO PHE SER GLY TRP TYR MET SER THR GLU ILE GLY SEQRES 24 B 416 THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU SEQRES 25 B 416 GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR SEQRES 26 B 416 THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE SEQRES 27 B 416 ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA LYS VAL SEQRES 28 B 416 THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER PHE MET SEQRES 29 B 416 LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY GLY CYS SEQRES 30 B 416 PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SEQRES 31 B 416 SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR SEQRES 32 B 416 ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP HET CAC A 850 3 HET ACT A 860 4 HET ACT A 861 4 HET ZN A 900 1 HET HEM A 700 43 HET H4B A 760 17 HET 3HX A 793 18 HET GOL A 880 6 HET CAC B 850 3 HET ACT B 860 4 HET ACT B 861 4 HET HEM B 700 43 HET H4B B 760 17 HET 3HX B 793 18 HET GOL B 880 6 HETNAM CAC CACODYLATE ION HETNAM ACT ACETATE ION HETNAM ZN ZINC ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM H4B 5,6,7,8-TETRAHYDROBIOPTERIN HETNAM 3HX (4S)-N-{4-AMINO-5-[(2-AMINOETHYL)(HYDROXYAMINO]- HETNAM 2 3HX PENTYL}-N'-NITROGUANIDINE HETNAM GOL GLYCEROL HETSYN CAC DIMETHYLARSINATE HETSYN HEM HEME HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 CAC 2(C2 H6 AS O2 1-) FORMUL 4 ACT 4(C2 H3 O2 1-) FORMUL 6 ZN ZN 2+ FORMUL 7 HEM 2(C34 H32 FE N4 O4) FORMUL 8 H4B 2(C9 H15 N5 O3) FORMUL 9 3HX 2(C8 H21 N7 O3) FORMUL 10 GOL 2(C3 H8 O3) FORMUL 18 HOH *537(H2 O) HELIX 1 1 THR A 85 SER A 90 5 6 HELIX 2 2 ALA A 122 ILE A 140 1 19 HELIX 3 3 SER A 145 GLY A 163 1 19 HELIX 4 4 ARG A 168 ALA A 183 1 16 HELIX 5 5 GLY A 188 LEU A 195 5 8 HELIX 6 6 SER A 205 ASN A 222 1 18 HELIX 7 7 ARG A 223 ASN A 225 5 3 HELIX 8 8 ASN A 269 HIS A 279 1 11 HELIX 9 9 PRO A 308 VAL A 312 5 5 HELIX 10 10 LEU A 322 GLY A 329 5 8 HELIX 11 11 MET A 360 THR A 366 1 7 HELIX 12 12 THR A 366 ASP A 371 1 6 HELIX 13 13 ILE A 377 MET A 385 1 9 HELIX 14 14 THR A 391 SER A 394 5 4 HELIX 15 15 LEU A 395 ALA A 415 1 21 HELIX 16 16 ASP A 421 GLY A 441 1 21 HELIX 17 17 ASP A 446 VAL A 451 1 6 HELIX 18 18 SER A 455 GLN A 464 5 10 HELIX 19 19 THR B 85 SER B 90 5 6 HELIX 20 20 ALA B 122 ILE B 140 1 19 HELIX 21 21 SER B 145 GLY B 163 1 19 HELIX 22 22 ARG B 168 ALA B 183 1 16 HELIX 23 23 GLY B 188 TRP B 192 5 5 HELIX 24 24 SER B 205 ASN B 222 1 18 HELIX 25 25 ARG B 223 ASN B 225 5 3 HELIX 26 26 ASN B 269 HIS B 279 1 11 HELIX 27 27 PRO B 308 VAL B 312 5 5 HELIX 28 28 LEU B 322 GLY B 329 5 8 HELIX 29 29 MET B 360 THR B 366 1 7 HELIX 30 30 THR B 366 ASP B 371 1 6 HELIX 31 31 ILE B 377 MET B 385 1 9 HELIX 32 32 THR B 391 SER B 394 5 4 HELIX 33 33 LEU B 395 ALA B 415 1 21 HELIX 34 34 ASP B 421 GLY B 441 1 21 HELIX 35 35 ASP B 446 VAL B 451 1 6 HELIX 36 36 SER B 455 GLN B 464 5 10 SHEET 1 A 2 ARG A 72 LYS A 74 0 SHEET 2 A 2 ILE A 81 TYR A 83 -1 O THR A 82 N VAL A 73 SHEET 1 B 4 GLN A 196 ASP A 199 0 SHEET 2 B 4 ALA A 229 VAL A 232 1 O ILE A 230 N PHE A 198 SHEET 3 B 4 PHE A 355 SER A 356 -1 O SER A 356 N ALA A 229 SHEET 4 B 4 ALA A 337 VAL A 338 -1 N VAL A 338 O PHE A 355 SHEET 1 C 3 ARG A 244 ILE A 245 0 SHEET 2 C 3 LEU A 293 GLN A 296 -1 O GLN A 296 N ARG A 244 SHEET 3 C 3 GLU A 303 PHE A 305 -1 O PHE A 305 N LEU A 293 SHEET 1 D 2 GLY A 255 ARG A 257 0 SHEET 2 D 2 VAL A 263 GLY A 265 -1 O ARG A 264 N TYR A 256 SHEET 1 E 2 GLU A 314 PRO A 316 0 SHEET 2 E 2 ARG A 331 TYR A 333 -1 O TRP A 332 N VAL A 315 SHEET 1 F 3 LEU A 348 PHE A 350 0 SHEET 2 F 3 LEU A 342 ILE A 345 -1 N LEU A 343 O PHE A 350 SHEET 3 F 3 ALA A 474 ARG A 476 -1 O ARG A 476 N LEU A 342 SHEET 1 G 2 ARG B 72 LYS B 74 0 SHEET 2 G 2 ILE B 81 TYR B 83 -1 O THR B 82 N VAL B 73 SHEET 1 H 4 GLN B 196 ASP B 199 0 SHEET 2 H 4 ALA B 229 VAL B 232 1 O ILE B 230 N PHE B 198 SHEET 3 H 4 PHE B 355 SER B 356 -1 O SER B 356 N ALA B 229 SHEET 4 H 4 ALA B 337 VAL B 338 -1 N VAL B 338 O PHE B 355 SHEET 1 I 3 ARG B 244 ILE B 245 0 SHEET 2 I 3 LEU B 293 GLN B 296 -1 O GLN B 296 N ARG B 244 SHEET 3 I 3 GLU B 303 PHE B 305 -1 O PHE B 305 N LEU B 293 SHEET 1 J 2 GLY B 255 ARG B 257 0 SHEET 2 J 2 VAL B 263 GLY B 265 -1 O ARG B 264 N TYR B 256 SHEET 1 K 2 GLU B 314 PRO B 316 0 SHEET 2 K 2 ARG B 331 TYR B 333 -1 O TRP B 332 N VAL B 315 SHEET 1 L 3 LEU B 348 PHE B 350 0 SHEET 2 L 3 LEU B 342 ILE B 345 -1 N LEU B 343 O PHE B 350 SHEET 3 L 3 ALA B 474 ARG B 476 -1 O ARG B 476 N LEU B 342 LINK SG CYS A 96 ZN ZN A 900 1555 1555 2.36 LINK SG CYS A 101 ZN ZN A 900 1555 1555 2.33 LINK SG CYS A 186 FE HEM A 700 1555 1555 2.32 LINK SG CYS A 384 AS CAC A 850 1555 1555 2.30 LINK ZN ZN A 900 SG CYS B 96 1555 1555 2.36 LINK ZN ZN A 900 SG CYS B 101 1555 1555 2.32 LINK SG CYS B 186 FE HEM B 700 1555 1555 2.32 LINK SG CYS B 384 AS CAC B 850 1555 1555 2.30 CISPEP 1 SER A 472 PRO A 473 0 0.37 CISPEP 2 SER B 472 PRO B 473 0 0.20 SITE 1 AC1 2 TRP A 324 CYS A 384 SITE 1 AC2 5 TRP A 358 VAL A 420 SER A 428 HOH A1125 SITE 2 AC2 5 HOH A1145 SITE 1 AC3 5 GLN A 249 ARG A 252 ASN A 368 ARG A 374 SITE 2 AC3 5 HOH A 921 SITE 1 AC4 4 LYS B 69 TYR B 83 TRP B 324 CYS B 384 SITE 1 AC5 5 GLY B 188 TRP B 358 VAL B 420 SER B 428 SITE 2 AC5 5 HOH B1046 SITE 1 AC6 4 ARG B 252 ASN B 368 ARG B 374 HOH B 881 SITE 1 AC7 4 CYS A 96 CYS A 101 CYS B 96 CYS B 101 SITE 1 AC8 16 TRP A 180 ARG A 185 CYS A 186 MET A 341 SITE 2 AC8 16 PHE A 355 SER A 356 TRP A 358 GLU A 363 SITE 3 AC8 16 TRP A 449 TYR A 477 H4B A 760 3HX A 793 SITE 4 AC8 16 HOH A 912 HOH A1018 HOH A1081 HOH A1169 SITE 1 AC9 15 SER A 104 ARG A 367 ALA A 448 TRP A 449 SITE 2 AC9 15 HEM A 700 GOL A 880 HOH A 906 HOH A 912 SITE 3 AC9 15 HOH A 918 HOH A 931 TRP B 447 PHE B 462 SITE 4 AC9 15 HIS B 463 GLN B 464 GLU B 465 SITE 1 BC1 12 PRO A 336 VAL A 338 ASN A 340 PHE A 355 SITE 2 BC1 12 SER A 356 GLY A 357 TRP A 358 GLU A 363 SITE 3 BC1 12 HEM A 700 HOH A 911 HOH A 971 HOH A1022 SITE 1 BC2 16 TRP B 180 ARG B 185 CYS B 186 SER B 228 SITE 2 BC2 16 PHE B 355 SER B 356 GLY B 357 TRP B 358 SITE 3 BC2 16 GLU B 363 TRP B 449 TYR B 477 H4B B 760 SITE 4 BC2 16 3HX B 793 HOH B 886 HOH B 909 HOH B1067 SITE 1 BC3 14 TRP A 447 PHE A 462 HIS A 463 GLU A 465 SITE 2 BC3 14 SER B 104 ARG B 367 ALA B 448 TRP B 449 SITE 3 BC3 14 HEM B 700 GOL B 880 HOH B 886 HOH B 915 SITE 4 BC3 14 HOH B 922 HOH B 949 SITE 1 BC4 10 PRO B 336 VAL B 338 ASN B 340 SER B 356 SITE 2 BC4 10 GLY B 357 TRP B 358 GLU B 363 HEM B 700 SITE 3 BC4 10 HOH B 950 HOH B1083 SITE 1 BC5 5 VAL A 106 ARG A 367 HIS A 373 H4B A 760 SITE 2 BC5 5 HOH A 906 SITE 1 BC6 8 TRP A 76 VAL B 106 ARG B 367 HIS B 373 SITE 2 BC6 8 TRP B 449 H4B B 760 HOH B 915 HOH B 932 CRYST1 57.820 106.850 156.350 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 0.017295 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009359 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006396 0.00000