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- PDB-1qwc: Rat neuronal nitric oxide synthase oxygenase domain in complex wi... -

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Basic information

Entry
Database: PDB / ID: 1qwc
TitleRat neuronal nitric oxide synthase oxygenase domain in complex with W1400 inhibitor.
ComponentsNitric-oxide synthase, brain
KeywordsOXIDOREDUCTASE / Rat nNOSoxy W1400 inhibitor complex
Function / homology
Function and homology information


Nitric oxide stimulates guanylate cyclase / negative regulation of hepatic stellate cell contraction / positive regulation of adenylate cyclase-activating adrenergic receptor signaling pathway / negative regulation of iron ion transmembrane transport / response to vitamin B3 / ROS and RNS production in phagocytes / postsynaptic specialization, intracellular component / peptidyl-cysteine S-nitrosylation / Ion homeostasis / negative regulation of vasoconstriction ...Nitric oxide stimulates guanylate cyclase / negative regulation of hepatic stellate cell contraction / positive regulation of adenylate cyclase-activating adrenergic receptor signaling pathway / negative regulation of iron ion transmembrane transport / response to vitamin B3 / ROS and RNS production in phagocytes / postsynaptic specialization, intracellular component / peptidyl-cysteine S-nitrosylation / Ion homeostasis / negative regulation of vasoconstriction / synaptic signaling by nitric oxide / azurophil granule / response to nitric oxide / positive regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / positive regulation of sodium ion transmembrane transport / negative regulation of hydrolase activity / response to vitamin E / peptidyl-cysteine S-nitrosylase activity / negative regulation of calcium ion transport / negative regulation of potassium ion transport / negative regulation of cytosolic calcium ion concentration / regulation of sodium ion transport / positive regulation of the force of heart contraction / cadmium ion binding / neuron projection terminus / regulation of postsynaptic membrane potential / nitric-oxide synthase (NADPH) / multicellular organismal response to stress / negative regulation of insulin secretion / regulation of neurogenesis / sodium channel regulator activity / : / nitric-oxide synthase activity / L-arginine catabolic process / xenobiotic catabolic process / negative regulation of serotonin uptake / NADPH binding / nitric oxide-cGMP-mediated signaling / negative regulation of blood pressure / postsynaptic density, intracellular component / nitric oxide metabolic process / nitric oxide biosynthetic process / behavioral response to cocaine / response to hormone / photoreceptor inner segment / cellular response to epinephrine stimulus / sarcoplasmic reticulum membrane / secretory granule / T-tubule / calyx of Held / response to activity / cell periphery / positive regulation of long-term synaptic potentiation / sarcoplasmic reticulum / response to nicotine / striated muscle contraction / establishment of protein localization / female pregnancy / cellular response to mechanical stimulus / phosphoprotein binding / response to nutrient levels / vasodilation / cellular response to growth factor stimulus / sarcolemma / response to estrogen / caveola / response to lead ion / response to peptide hormone / Z disc / positive regulation of neuron apoptotic process / calcium-dependent protein binding / NADP binding / FMN binding / flavin adenine dinucleotide binding / negative regulation of neuron apoptotic process / response to heat / nuclear membrane / ATPase binding / response to lipopolysaccharide / scaffold protein binding / response to hypoxia / dendritic spine / response to ethanol / RNA polymerase II-specific DNA-binding transcription factor binding / cytoskeleton / perikaryon / transmembrane transporter binding / calmodulin binding / mitochondrial outer membrane / postsynaptic density / membrane raft / negative regulation of cell population proliferation / heme binding / negative regulation of apoptotic process / dendrite / synapse / positive regulation of DNA-templated transcription / perinuclear region of cytoplasm / glutamatergic synapse / enzyme binding
Similarity search - Function
Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3 / Nitric Oxide Synthase; Chain A, domain 3 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase;Heme Domain; Chain A, domain 2 / Nitric Oxide Synthase;Heme Domain;Chain A domain 2 / Nitric-oxide synthase, eukaryote / Nitric oxide synthase, N-terminal / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase, domain 2 superfamily ...Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3 / Nitric Oxide Synthase; Chain A, domain 3 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase;Heme Domain; Chain A, domain 2 / Nitric Oxide Synthase;Heme Domain;Chain A domain 2 / Nitric-oxide synthase, eukaryote / Nitric oxide synthase, N-terminal / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase, domain 2 superfamily / Nitric oxide synthase, domain 1 superfamily / Nitric oxide synthase, domain 3 superfamily / : / Nitric oxide synthase, oxygenase domain / Nitric oxide synthase (NOS) signature. / Sulfite reductase [NADPH] flavoprotein alpha-component-like, FAD-binding / NADPH-cytochrome p450 reductase, FAD-binding, alpha-helical domain superfamily / FAD binding domain / Flavodoxin-like / Flavoprotein pyridine nucleotide cytochrome reductase / Flavodoxin / Flavodoxin-like domain profile. / Flavodoxin/nitric oxide synthase / Oxidoreductase FAD/NAD(P)-binding / Oxidoreductase NAD-binding domain / PDZ domain / 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 / PDZ domain profile. / Domain present in PSD-95, Dlg, and ZO-1/2. / PDZ domain / PDZ superfamily / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
N-(3-(AMINOMETHYL)BENZYL)ACETAMIDINE / 5,6,7,8-TETRAHYDROBIOPTERIN / PROTOPORPHYRIN IX CONTAINING FE / Nitric oxide synthase 1
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 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
DepositionSep 2, 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
Revision 1.4Feb 14, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr1_symmetry / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Aug 12, 2026Group: Derived calculations / Structure summary
Category: pdbx_entry_details / pdbx_modification_feature ...pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order / pdbx_struct_conn_angle / struct_conn
Item: _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_symmetry ..._pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.ptnr1_symmetry / _struct_conn.ptnr2_symmetry
Description: Metalloprotein remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Nitric-oxide synthase, brain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,6815
Polymers48,5801
Non-polymers1,1004
Water3,711206
1
A: Nitric-oxide synthase, brain
hetero molecules

A: Nitric-oxide synthase, brain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,36110
Polymers97,1602
Non-polymers2,2018
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation3_555-x,y,-z+1/21
Buried area10310 Å2
ΔGint-129 kcal/mol
Surface area33740 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)44.784, 108.779, 164.325
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11A-950-

ZN

21A-137-

HOH

31A-192-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Nitric-oxide synthase, brain / NOS / type I / Neuronal NOS / N-NOS / NNOS / Constitutive NOS / NC-NOS / BNOS


Mass: 48580.203 Da / Num. of mol.: 1 / Fragment: residues 298-716
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: NOS1 OR BNOS / Plasmid: pCWori / Production host: Escherichia coli (E. coli) / References: UniProt: P29476, nitric-oxide synthase (NADPH)

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Non-polymers , 5 types, 210 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#4: Chemical ChemComp-H4B / 5,6,7,8-TETRAHYDROBIOPTERIN


Mass: 241.247 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H15N5O3 / Comment: neurotransmitter*YM
#5: Chemical ChemComp-14W / N-(3-(AMINOMETHYL)BENZYL)ACETAMIDINE


Mass: 177.246 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 206 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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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: 2.06 Å3/Da / Density % sol: 40.26 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7
Details: HEPES, DTT, PEG3350, EPPS, NaCl, glycerol, H4B, β-mercaptoethanol, W1400., pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal grow
*PLUS
Temperature: 4 ℃ / pH: 7.6 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails (eV)Chemical formula
115 mg/mlprotein1drop
240 mMsodium EPPS1droppH7.6
3150 mM1dropNaCl
45 %glycerol1drop
54000 nM1dropH4B
62 mMbeta-mercaptoethanol1drop
71-10 mMinhibitor1drop
8100 mMsodium HEPES1reservoirpH7.0
95 mMdithiothreitol1reservoir
10130 mMcalcium acetate1reservoir
1130 mMspermine tetrahydrochloride1reservoir
1220 %(w/v)PEG33501reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.933 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Dec 8, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.933 Å / Relative weight: 1
ReflectionResolution: 2.3→20 Å / Num. all: 17897 / Num. obs: 17658 / % possible obs: 96.2 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 7.1 % / Biso Wilson estimate: 31.2 Å2 / Rsym value: 0.093 / Net I/σ(I): 15.8
Reflection shellResolution: 2.3→2.4 Å / Mean I/σ(I) obs: 5.1 / Rsym value: 0.373 / % possible all: 93.1
Reflection
*PLUS
Num. measured all: 125740 / Rmerge(I) obs: 0.093
Reflection shell
*PLUS
% possible obs: 93.1 % / Rmerge(I) obs: 0.373

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Processing

Software
NameClassification
ProDCdata collection
XDSdata reduction
CNSrefinement
XDSdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.3→8 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.235 873 RANDOM
Rwork0.193 --
all0.195 17460 -
obs0.195 17460 -
Refinement stepCycle: LAST / Resolution: 2.3→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3418 0 74 206 3698
Refinement
*PLUS
% reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONbond_d0.009
X-RAY DIFFRACTIONangle_d
X-RAY DIFFRACTIONangle_deg1.4

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