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- PDB-4uh8: Structure of bovine endothelial nitric oxide synthase heme domain... -

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Basic information

Entry
Database: PDB / ID: 4uh8
TitleStructure of bovine endothelial nitric oxide synthase heme domain in complex with N1-(5-(2-(6-Amino-4-methylpyridin-2-yl)ethyl)pyridin-3- yl)-N1,N2-dimethylethane-1,2-diamine
ComponentsNITRIC OXIDE SYNTHASE, ENDOTHELIAL
KeywordsOXIDOREDUCTASE / INHIBITOR COMPLEX
Function / homology
Function and homology information


cellular response to laminar fluid shear stress / positive regulation of guanylate cyclase activity / negative regulation of leukocyte cell-cell adhesion / nitric-oxide synthase (NADPH) / nitric oxide mediated signal transduction / nitric-oxide synthase activity / arginine catabolic process / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / nitric oxide biosynthetic process / negative regulation of blood pressure ...cellular response to laminar fluid shear stress / positive regulation of guanylate cyclase activity / negative regulation of leukocyte cell-cell adhesion / nitric-oxide synthase (NADPH) / nitric oxide mediated signal transduction / nitric-oxide synthase activity / arginine catabolic process / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / nitric oxide biosynthetic process / negative regulation of blood pressure / response to hormone / mitochondrion organization / caveola / blood coagulation / FMN binding / flavin adenine dinucleotide binding / NADP binding / response to lipopolysaccharide / cytoskeleton / calmodulin binding / heme binding / Golgi apparatus / nucleus / metal ion binding / 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 / Chem-EXI / 5,6,7,8-TETRAHYDROBIOPTERIN / PROTOPORPHYRIN IX CONTAINING FE / Nitric oxide synthase 3
Similarity search - Component
Biological speciesBOS TAURUS (cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 2.3 Å
AuthorsLi, H. / Poulos, T.L.
CitationJournal: J.Med.Chem. / Year: 2015
Title: 2-Aminopyridines with a Truncated Side Chain to Improve Human Neuronal Nitric Oxide Synthase Inhibitory Potency and Selectivity.
Authors: Kang, S. / Li, H. / Tang, W. / Martasek, P. / Roman, L.J. / Poulos, T.L. / Silverman, R.B.
History
DepositionMar 23, 2015Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 15, 2015Provider: repository / Type: Initial release
Revision 1.1Aug 5, 2015Group: Database references

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: NITRIC OXIDE SYNTHASE, ENDOTHELIAL
B: NITRIC OXIDE SYNTHASE, ENDOTHELIAL
hetero molecules


Theoretical massNumber of molelcules
Total (without water)102,13613
Polymers99,4542
Non-polymers2,68211
Water5,296294
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10820 Å2
ΔGint-122.9 kcal/mol
Surface area32420 Å2
MethodPISA
Unit cell
Length a, b, c (Å)57.940, 106.320, 156.850
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 / CONSTITUTIVE NOS / CNOS / EC-NOS / ENDOTHELIAL NOS / ENOS / NOS TYPE III / NOSIII / ENDOTHELIAL ...CONSTITUTIVE NOS / CNOS / EC-NOS / ENDOTHELIAL NOS / ENOS / NOS TYPE III / NOSIII / ENDOTHELIAL NITRIC OXIDE SYNTHASE


Mass: 49727.012 Da / Num. of mol.: 2 / Fragment: HEME DOMAIN, RESIDUES 40-482
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) BOS TAURUS (cattle) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P29473, nitric-oxide synthase (NADPH)

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Non-polymers , 7 types, 305 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-H4B / 5,6,7,8-TETRAHYDROBIOPTERIN


Mass: 241.247 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H15N5O3 / Comment: neurotransmitter*YM
#4: Chemical ChemComp-EXI / N1-(5-(2-(6-Amino-4-methylpyridin-2-yl)ethyl)pyridin-3-yl)-N1,N2-dimethylethane-1,2-diamine


Mass: 299.414 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C17H25N5
#5: Chemical ChemComp-ACT / ACETATE ION


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


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#7: Chemical ChemComp-ZN / ZINC ION


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


Mass: 18.015 Da / Num. of mol.: 294 / Source method: isolated from a natural source / Formula: H2O

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Details

Nonpolymer detailsS-(DIMETHYLARSENIC)CYSTEINE (CAS): A MODIFIED CYS RESIDUE
Sequence detailsRESIDUE 100 IS FOUND AS AN ARG IN STRUCTURE BUT IS A CYS IN DATABASE

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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: 2.5 Å3/Da / Density % sol: 50.7 % / Description: NONE
Crystal growpH: 5.8
Details: 20-22% PEG3350 0.1M CACODYLATE, PH6.0 140-200 MM MG ACETATE 5 MM TCEP, pH 5.8

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL7-1 / Wavelength: 1
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Jan 20, 2013 / Details: M
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.3→50 Å / Num. obs: 43858 / % possible obs: 99.6 % / Observed criterion σ(I): -3 / Redundancy: 3.9 % / Biso Wilson estimate: 39.73 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 26.8
Reflection shellResolution: 2.3→2.34 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.74 / Mean I/σ(I) obs: 1.9 / % possible all: 100

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Processing

Software
NameVersionClassification
PHENIX(PHENIX.REFINE)refinement
HKL-2000data reduction
SCALEPACKdata scaling
REFMACphasing
RefinementMethod to determine structure: OTHER
Starting model: NONE

Resolution: 2.3→48.394 Å / SU ML: 0.28 / σ(F): 1.36 / Phase error: 22.16 / Stereochemistry target values: ML
Details: RESIDUES 110 TO 120 IN CHAIN A AND 111 TO 120 IN CHAIN B ARE DISORDERED.
RfactorNum. reflection% reflection
Rfree0.2174 2149 5 %
Rwork0.1614 --
obs0.1642 43089 98.02 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.3→48.394 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6444 0 185 294 6923
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0076825
X-RAY DIFFRACTIONf_angle_d1.1829316
X-RAY DIFFRACTIONf_dihedral_angle_d16.352460
X-RAY DIFFRACTIONf_chiral_restr0.073970
X-RAY DIFFRACTIONf_plane_restr0.0041200
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.2993-2.35280.31811110.25912156X-RAY DIFFRACTION79
2.3528-2.41160.31231470.23132670X-RAY DIFFRACTION97
2.4116-2.47690.31341490.22462722X-RAY DIFFRACTION100
2.4769-2.54970.2821550.21182714X-RAY DIFFRACTION100
2.5497-2.6320.2861680.19812748X-RAY DIFFRACTION100
2.632-2.72610.23081340.18572743X-RAY DIFFRACTION100
2.7261-2.83520.2661190.18922767X-RAY DIFFRACTION100
2.8352-2.96420.23481390.17592787X-RAY DIFFRACTION100
2.9642-3.12050.24851510.16572741X-RAY DIFFRACTION100
3.1205-3.3160.23521390.1662781X-RAY DIFFRACTION100
3.316-3.57190.19911490.14932785X-RAY DIFFRACTION100
3.5719-3.93120.19221490.1382786X-RAY DIFFRACTION100
3.9312-4.49970.17991450.1272804X-RAY DIFFRACTION99
4.4997-5.66780.16911290.13322817X-RAY DIFFRACTION99
5.6678-48.40450.19631650.16332919X-RAY DIFFRACTION98
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)
11.0762-0.4198-0.5251.80470.43841.932-0.0025-0.01940.0377-0.30890.1081-0.2679-0.11650.1359-0.05930.2538-0.06280.03160.2073-0.02030.2511.018610.433531.7982
20.8063-0.37440.48051.7252-0.78782.95640.0834-0.0512-0.05260.1569-0.002-0.01910.0625-0.0167-0.06760.2036-0.0232-0.01580.2731-0.00690.2542.84595.648867.7653
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1(CHAIN A AND RESID 67:482)
2X-RAY DIFFRACTION2(CHAIN B AND RESID 67:482)

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