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- PDB-1qw4: Crystal Structure of Murine Inducible Nitric Oxide Synthase Oxyge... -

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Basic information

Entry
Database: PDB / ID: 1qw4
TitleCrystal Structure of Murine Inducible Nitric Oxide Synthase Oxygenase Domain in complex with N-omega-propyl-L-arginine.
ComponentsNitric oxide synthase, inducible
KeywordsOXIDOREDUCTASE / iNOSoxy inhibitor complex
Function / homology
Function and homology information


Nitric oxide stimulates guanylate cyclase / ROS and RNS production in phagocytes / G protein-coupled receptor signaling pathway coupled to cGMP nucleotide second messenger / Peroxisomal protein import / prostaglandin secretion / cAMP-dependent protein kinase regulator activity / positive regulation of killing of cells of another organism / tetrahydrobiopterin binding / arginine binding / cortical cytoskeleton ...Nitric oxide stimulates guanylate cyclase / ROS and RNS production in phagocytes / G protein-coupled receptor signaling pathway coupled to cGMP nucleotide second messenger / Peroxisomal protein import / prostaglandin secretion / cAMP-dependent protein kinase regulator activity / positive regulation of killing of cells of another organism / tetrahydrobiopterin binding / arginine binding / cortical cytoskeleton / superoxide metabolic process / cellular response to cytokine stimulus / cGMP-mediated signaling / nitric-oxide synthase binding / regulation of cytokine production involved in inflammatory response / peptidyl-cysteine S-nitrosylation / regulation of insulin secretion / blood vessel remodeling / regulation of heart contraction / nitric-oxide synthase (NADPH) / positive regulation of guanylate cyclase activity / response to tumor necrosis factor / nitric oxide mediated signal transduction / vesicle membrane / nitric-oxide synthase activity / cellular response to organic cyclic compound / arginine catabolic process / negative regulation of blood pressure / response to hormone / nitric oxide biosynthetic process / cellular response to interferon-gamma / response to bacterium / positive regulation of interleukin-8 production / positive regulation of interleukin-6 production / Hsp90 protein binding / peroxisome / circadian rhythm / cellular response to xenobiotic stimulus / negative regulation of protein catabolic process / regulation of blood pressure / beta-catenin binding / FMN binding / actin binding / regulation of cell population proliferation / flavin adenine dinucleotide binding / NADP binding / response to lipopolysaccharide / calmodulin binding / response to hypoxia / cellular response to lipopolysaccharide / cadherin binding / intracellular signal transduction / oxidoreductase activity / inflammatory response / positive regulation of apoptotic process / defense response to bacterium / negative regulation of gene expression / heme binding / protein kinase binding / perinuclear region of cytoplasm / signal transduction / protein homodimerization activity / extracellular space / metal ion binding / identical protein binding / plasma membrane / nucleus / cytosol / cytoplasm
Similarity search - Function
Nitric-oxide synthase, eukaryote / Nitric Oxide Synthase;Heme Domain;Chain A domain 2 / Nitric Oxide Synthase;Heme Domain; Chain A, domain 2 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 3 / Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3 / Nitric oxide synthase, domain 1 superfamily / Nitric oxide synthase, domain 2 superfamily / Nitric oxide synthase, domain 3 superfamily ...Nitric-oxide synthase, eukaryote / Nitric Oxide Synthase;Heme Domain;Chain A domain 2 / Nitric Oxide Synthase;Heme Domain; Chain A, domain 2 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 3 / Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3 / Nitric oxide synthase, domain 1 superfamily / Nitric oxide synthase, domain 2 superfamily / Nitric oxide synthase, domain 3 superfamily / Nitric oxide synthase, N-terminal / Nitric oxide synthase, oxygenase domain / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase (NOS) signature. / NADPH-cytochrome p450 reductase, FAD-binding, alpha-helical domain superfamily / FAD binding domain / Sulfite reductase [NADPH] flavoprotein alpha-component-like, FAD-binding / Flavodoxin-like / Flavoprotein pyridine nucleotide cytochrome reductase / Flavodoxin / Oxidoreductase NAD-binding domain / Oxidoreductase FAD/NAD(P)-binding / Flavodoxin-like domain profile. / Flavodoxin/nitric oxide synthase / FAD-binding domain, ferredoxin reductase-type / Ferredoxin-NADP reductase (FNR), nucleotide-binding domain / Ferredoxin reductase-type FAD binding domain profile. / Riboflavin synthase-like beta-barrel / Flavoprotein-like superfamily / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
N-OMEGA-PROPYL-L-ARGININE / 5,6,7,8-TETRAHYDROBIOPTERIN / PROTOPORPHYRIN IX CONTAINING FE / Nitric oxide synthase, inducible
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsFedorov, R. / Hartmann, E. / Ghosh, D.K. / Schlichting, I.
CitationJournal: J.Biol.Chem. / Year: 2003
Title: Structural basis for the specificity of the nitric-oxide synthase inhibitors W1400 and Nomega-propyl-L-Arg for the inducible and neuronal isoforms.
Authors: Fedorov, R. / Hartmann, E. / Ghosh, D.K. / Schlichting, I.
History
DepositionAug 31, 2003Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 9, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Nitric oxide synthase, inducible
B: Nitric oxide synthase, inducible
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,27710
Polymers96,9962
Non-polymers2,2818
Water6,359353
1
A: Nitric oxide synthase, inducible
hetero molecules

A: Nitric oxide synthase, inducible
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,27710
Polymers96,9962
Non-polymers2,2818
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation10_665-y+1,-x+1,-z+5/61
Buried area9350 Å2
ΔGint-129 kcal/mol
Surface area32550 Å2
MethodPISA, PQS
2
B: Nitric oxide synthase, inducible
hetero molecules

B: Nitric oxide synthase, inducible
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,27710
Polymers96,9962
Non-polymers2,2818
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation9_554-x,-x+y,-z-1/31
Buried area9290 Å2
ΔGint-126 kcal/mol
Surface area32690 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)214.603, 214.603, 117.464
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number178
Space group name H-MP6122
Components on special symmetry positions
IDModelComponents
11A-950-

ZN

21B-950-

ZN

31A-951-

HOH

41B-951-

HOH

51B-977-

HOH

61B-997-

HOH

71B-998-

HOH

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Nitric oxide synthase, inducible / / NOS / type II / Inducible NOS / iNOS / Macrophage NOS / MAC-NOS


Mass: 48498.168 Da / Num. of mol.: 2
Fragment: inducible nitric oxide synthase oxygenase domain (residues 77-495)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: NOS2 OR INOSL / Production host: Escherichia coli (E. coli) / References: UniProt: P29477, nitric-oxide synthase (NADPH)

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Non-polymers , 5 types, 361 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME / Heme B


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#4: Chemical ChemComp-H4B / 5,6,7,8-TETRAHYDROBIOPTERIN / Tetrahydrobiopterin


Mass: 241.247 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H15N5O3 / Comment: neurotransmitter*YM
#5: Chemical ChemComp-3AR / N-OMEGA-PROPYL-L-ARGININE


Type: L-peptide linking / Mass: 217.289 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H21N4O2
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 353 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 4.02 Å3/Da / Density % sol: 69.43 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7
Details: MES, sodium malonate, EPPS, NaCl, glycerol, H4B, β-mercaptoethanol, N-omega-propyl-L-Arg., pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal grow
*PLUS
Temperature: 4 ℃ / pH: 7.6 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
115 mg/mlprotein1drop
240 mMsodium EPPS1droppH7.6
3150 mM1dropNaCl
45 %glycerol1drop
54000 nM1dropH4B
62 mMbeta-mercaptoethanol1drop
750 mMbeta-octyl-glycoside1drop
81-10 mMinhibitor1drop
9100 mMsodium-MES1reservoirpH6.5
100.7 M1reservoirNa2+-HEPES

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-1 / Wavelength: 0.934 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Oct 2, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.934 Å / Relative weight: 1
ReflectionResolution: 2.3→20 Å / Num. obs: 69234 / % possible obs: 95.4 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 2.7 % / Biso Wilson estimate: 51.3 Å2 / Rsym value: 0.059 / Net I/σ(I): 9.8
Reflection shellResolution: 2.3→2.35 Å / Mean I/σ(I) obs: 2.6 / Rsym value: 0.384 / % possible all: 89.4
Reflection
*PLUS
Num. obs: 128211 / Num. measured all: 350863 / Rmerge(I) obs: 0.059
Reflection shell
*PLUS
% possible obs: 89.4 % / Rmerge(I) obs: 0.384

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Processing

Software
NameClassification
ProDCdata collection
XDSdata reduction
CNSrefinement
XDSdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.4→8 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.251 3025 RANDOM
Rwork0.213 --
all0.215 60512 -
obs0.215 60512 -
Refinement stepCycle: LAST / Resolution: 2.4→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6830 0 152 353 7335
Refinement
*PLUS
% reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONbond_d0.008
X-RAY DIFFRACTIONangle_d
X-RAY DIFFRACTIONangle_deg1.3

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