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- PDB-3n5t: Structure of endothelial nitric oxide synthase heme domain comple... -

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Basic information

Entry
Database: PDB / ID: 3n5t
TitleStructure of endothelial nitric oxide synthase heme domain complexed with 6,6'-(2,2'-(pyridine-3,5-diyl)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)
ComponentsNitric oxide synthase
KeywordsOXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR / nitric oxide synthase / heme enzyme / substrate inhibitor / OXIDOREDUCTASE / OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex
Function / homology
Function and homology information


cellular response to laminar fluid shear stress / negative regulation of leukocyte cell-cell adhesion / nitric oxide mediated signal transduction / nitric-oxide synthase (NADPH) / nitric-oxide synthase activity / L-arginine catabolic process / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / negative regulation of blood pressure / response to hormone / nitric oxide biosynthetic process ...cellular response to laminar fluid shear stress / negative regulation of leukocyte cell-cell adhesion / nitric oxide mediated signal transduction / nitric-oxide synthase (NADPH) / nitric-oxide synthase activity / L-arginine catabolic process / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / negative regulation of blood pressure / response to hormone / nitric oxide biosynthetic process / mitochondrion organization / caveola / blood coagulation / FMN binding / flavin adenine dinucleotide binding / NADP binding / response to lipopolysaccharide / cytoskeleton / calmodulin binding / heme binding / Golgi apparatus / metal ion binding / nucleus / plasma membrane / cytosol
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 / 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
ACETATE ION / CACODYLIC ACID / 5,6,7,8-TETRAHYDROBIOPTERIN / PROTOPORPHYRIN IX CONTAINING FE / Chem-XFJ / Nitric oxide synthase 3
Similarity search - Component
Biological speciesBos taurus (domestic cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2.52 Å
AuthorsDelker, S.L. / Li, H. / Poulos, T.L.
CitationJournal: Biochemistry / Year: 2010
Title: Role of zinc in isoform-selective inhibitor binding to neuronal nitric oxide synthase .
Authors: Delker, S.L. / Xue, F. / Li, H. / Jamal, J. / Silverman, R.B. / Poulos, T.L.
History
DepositionMay 25, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 9, 2011Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jul 17, 2019Group: Data collection / Refinement description / Category: software
Item: _software.classification / _software.name / _software.version
Revision 1.3Feb 21, 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_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_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _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.ptnr2_auth_asym_id / _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_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

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


Theoretical massNumber of molelcules
Total (without water)102,47415
Polymers99,4202
Non-polymers3,05413
Water2,486138
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11180 Å2
ΔGint-129 kcal/mol
Surface area32720 Å2
MethodPISA
Unit cell
Length a, b, c (Å)58.120, 106.744, 157.382
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Nitric oxide synthase / Endothelial NOS / eNOS / EC-NOS / NOS type III / NOSIII / Constitutive NOS / cNOS


Mass: 49710.105 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (domestic cattle) / Gene: NOS3 / Plasmid: pCWori / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DE3) / References: UniProt: P29473, nitric-oxide synthase (NADPH)

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Non-polymers , 8 types, 151 molecules

#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H3O2
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#5: Chemical ChemComp-XFJ / 6,6'-(pyridine-3,5-diyldiethane-2,1-diyl)bis(4-methylpyridin-2-amine)


Mass: 347.457 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H25N5
#6: Chemical ChemComp-H4B / 5,6,7,8-TETRAHYDROBIOPTERIN


Mass: 241.247 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H15N5O3
#7: Chemical ChemComp-CAD / CACODYLIC ACID / HYDROXYDIMETHYLARSINE OXIDE


Mass: 137.997 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H7AsO2
#8: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#9: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 138 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsAUTHORS STATE THAT THEIR DENSITY SUPPORTS THAT THE RESIDUE IS ARG.

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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: 2.46 Å3/Da / Density % sol: 49.9 %
Crystal growTemperature: 278 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 9-12% PEG 3350, 0.2M magnesium acetate, 0.1M sodium cacodylate, 0.005M TCEP-HCl , pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL7-1 / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Nov 29, 2008 / Details: mirrors
RadiationMonochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.52→50 Å / Num. obs: 33841 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / Redundancy: 3.6 % / Biso Wilson estimate: 50.6 Å2 / Rmerge(I) obs: 0.083 / Rsym value: 0.083 / Net I/σ(I): 14.95
Reflection shellResolution: 2.52→2.56 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.559 / Mean I/σ(I) obs: 1.85 / Num. unique all: 1646 / Rsym value: 0.559 / % possible all: 99.8

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Processing

Software
NameVersionClassification
REFMAC5.5.0089refinement
CNSrefinement
APEXdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS / Resolution: 2.52→42.82 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.916 / SU B: 20.839 / SU ML: 0.223 / Cross valid method: THROUGHOUT / ESU R Free: 0.292 / Stereochemistry target values: Engh & Huber / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.24801 1666 4.9 %RANDOM
Rwork0.18553 ---
obs0.18862 32111 99.8 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 46.99 Å2
Baniso -1Baniso -2Baniso -3
1-0.15 Å20 Å20 Å2
2---0.1 Å20 Å2
3----0.05 Å2
Refinement stepCycle: LAST / Resolution: 2.52→42.82 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6429 0 199 138 6766
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.0226820
X-RAY DIFFRACTIONr_angle_refined_deg1.5311.9999313
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.3055804
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.99923.375320
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.584151040
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.6191554
X-RAY DIFFRACTIONr_chiral_restr0.0950.2969
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0215328
X-RAY DIFFRACTIONr_mcbond_it0.6041.54042
X-RAY DIFFRACTIONr_mcangle_it1.15126522
X-RAY DIFFRACTIONr_scbond_it1.84232778
X-RAY DIFFRACTIONr_scangle_it34.52791
LS refinement shellResolution: 2.521→2.586 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.315 129 -
Rwork0.265 2315 -
obs-2315 99.47 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
10.8887-0.1939-0.35771.64430.29071.7814-0.00280.03240.0175-0.32080.0798-0.2691-0.10310.1367-0.0770.0807-0.05680.02660.1687-0.01940.175211.0710.26431.989
20.8206-0.08470.2531.4888-0.83962.71340.0772-0.1827-0.12380.16370.04140.02820.0587-0.1577-0.11850.0385-0.0397-0.0260.23-0.00850.19112.9825.77568.062
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A67 - 482
2X-RAY DIFFRACTION2B69 - 482

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