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

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Basic information

Entry
Database: PDB / ID: 4cty
TitleStructure of bovine endothelial nitric oxide synthase heme domain in complex with (R)-6-(2-Amino-2-(3-(2-(6-amino-4-methylpyridin-2-yl) ethyl)phenyl)ethyl)-4-methylpyridin-2-amine
ComponentsNITRIC OXIDE SYNTHASE, ENDOTHELIAL
KeywordsOXIDOREDUCTASE / INHIBITOR COMPLEX
Function / homology
Function and homology information


cellular response to laminar fluid shear stress / negative regulation of leukocyte cell-cell adhesion / nitric-oxide synthase (NADPH) / positive regulation of guanylate cyclase activity / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / nitric-oxide synthase activity / mitochondrion organization / arginine catabolic process / nitric oxide biosynthetic process / caveola ...cellular response to laminar fluid shear stress / negative regulation of leukocyte cell-cell adhesion / nitric-oxide synthase (NADPH) / positive regulation of guanylate cyclase activity / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / nitric-oxide synthase activity / mitochondrion organization / arginine catabolic process / nitric oxide biosynthetic process / caveola / FMN binding / blood coagulation / flavin adenine dinucleotide binding / NADP binding / calmodulin binding / cytoskeleton / heme binding / Golgi apparatus / metal ion binding
Similarity search - Function
Nitric-oxide synthase, eukaryote / 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; 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, oxygenase domain / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase, N-terminal ...Nitric-oxide synthase, eukaryote / 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; 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, oxygenase domain / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase, N-terminal / 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 / 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
ACETATE ION / 5,6,7,8-TETRAHYDROBIOPTERIN / Chem-S5D / PROTOPORPHYRIN IX CONTAINING FE / Nitric oxide synthase, endothelial
Similarity search - Component
Biological speciesBOS TAURUS (cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 2.3 Å
AuthorsChreifi, G. / Li, H. / Poulos, T.L.
CitationJournal: J.Med.Chem. / Year: 2014
Title: Nitric Oxide Synthase Inhibitors that Interact with Both a Heme Propionate and Tetrahydrobiopterin Show High Isoform Selectivity.
Authors: Kang, S. / Tang, W. / Li, H. / Chreifi, G. / Martasek, P. / Roman, L.J. / Poulos, T.L. / Silverman, R.B.
History
DepositionMar 15, 2014Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 7, 2014Provider: repository / Type: Initial release
Revision 1.1Jun 4, 2014Group: 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)102,35214
Polymers99,4542
Non-polymers2,89812
Water5,999333
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11310 Å2
ΔGint-86.9 kcal/mol
Surface area32050 Å2
MethodPISA
Unit cell
γ
α
β
Length a, b, c (Å)57.852, 106.495, 156.755
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


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, 345 molecules

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


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: 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
#4: Chemical ChemComp-S5D / (R)-6-(2-Amino-2-(3-(2-(6-amino-4-methylpyridin-2-yl)ethyl)phenyl)ethyl)-4-methylpyridin-2-amine


Mass: 361.483 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C22H27N5
#5: Chemical ChemComp-ACT / ACETATE ION / Acetate


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 / Glycerol


Mass: 92.094 Da / Num. of mol.: 3 / 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 / Water


Mass: 18.015 Da / Num. of mol.: 333 / Source method: isolated from a natural source / Formula: H2O

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Details

Nonpolymer detailsCACODYLIC ACID (CAS): DIMETHYL ARSENIC MOIETY DERIVED FROM CACODYLATE BUFFER
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: 6
Details: 20-22% PEG3350, 0.1 M CACODYLATE, 150-200 MM MG ACETATE, 5 MM TCEP, pH 6.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL9-2 / Wavelength: 0.979
DetectorType: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Jul 6, 2012 / Details: MIRRORS
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 2.3→50 Å / Num. obs: 43670 / % possible obs: 98.9 % / Observed criterion σ(I): -3 / Redundancy: 3.7 % / Rmerge(I) obs: 0.09 / Net I/σ(I): 15.7
Reflection shellResolution: 2.3→2.34 Å / Redundancy: 3.7 % / Rmerge(I) obs: 0.76 / Mean I/σ(I) obs: 1.9 / % possible all: 99.8

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Processing

Software
NameVersionClassification
REFMAC5.7.0029refinement
HKL-2000data reduction
SCALEPACKdata scaling
REFMACphasing
RefinementMethod to determine structure: OTHER
Starting model: NONE

Resolution: 2.3→39.22 Å / Cor.coef. Fo:Fc: 0.967 / Cor.coef. Fo:Fc free: 0.94 / SU B: 12.283 / SU ML: 0.158 / Cross valid method: THROUGHOUT / ESU R: 0.274 / ESU R Free: 0.211 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES WITH TLS ADDED. RESIDUES 110 TO 120 IN BOTH CHAIN A AND CHAIN B ARE DISORDERED.
RfactorNum. reflection% reflectionSelection details
Rfree0.21863 2175 5 %RANDOM
Rwork0.16106 ---
obs0.16389 41276 98.89 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 41.171 Å2
Baniso -1Baniso -2Baniso -3
1-3.6 Å20 Å20 Å2
2---2.36 Å20 Å2
3----1.24 Å2
Refinement stepCycle: LAST / Resolution: 2.3→39.22 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6424 0 201 333 6958
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.0196853
X-RAY DIFFRACTIONr_bond_other_d0.0010.026350
X-RAY DIFFRACTIONr_angle_refined_deg1.7211.989357
X-RAY DIFFRACTIONr_angle_other_deg0.871314548
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.7575808
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.28923.333321
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.605151049
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.9851555
X-RAY DIFFRACTIONr_chiral_restr0.0960.2982
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.0217807
X-RAY DIFFRACTIONr_gen_planes_other0.0050.021698
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.3→2.36 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.328 163 -
Rwork0.289 3036 -
obs--99.78 %
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)
10.7198-0.1892-0.28570.87820.06891.23940.02040.03830.0089-0.13270.0258-0.1226-0.02640.0722-0.04620.0289-0.02870.01170.1015-0.00560.03811.05510.35131.926
20.5594-0.15380.26530.9333-0.7011.90160.0345-0.1163-0.08220.07430.06230.04830.0166-0.1162-0.09680.013-0.0094-0.00010.15080.00040.06832.6565.76267.671
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A67 - 482
2X-RAY DIFFRACTION2B69 - 482

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