3JT9

Structure of neuronal nitric oxide synthase heme domain in the ferrous state complexed with N~5~-[2-(ethylsulfanyl)ethanimidoyl]-L-ornithine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1OM4PDB entry 1OM4

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.8278PEG3350, MES, ammonium acetate, SDS, GSH, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 278K
Crystal Properties
Matthews coefficientSolvent content
2.4249.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.808α = 90
b = 110.861β = 90
c = 164.315γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315mirrors2009-06-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-10.987SSRLBL9-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.15099.10.0740.0747.74.155755-338.04
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.12.1499.10.5080.50824

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB entry 1OM42.144.1852945274299.180.186030.183880.22699RANDOM51.865
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
3.92-0.11-3.82
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.966
r_dihedral_angle_4_deg16.377
r_dihedral_angle_3_deg15.546
r_dihedral_angle_1_deg6.071
r_scangle_it3.216
r_scbond_it2.139
r_angle_refined_deg1.47
r_mcangle_it1.252
r_mcbond_it0.684
r_chiral_restr0.101
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.966
r_dihedral_angle_4_deg16.377
r_dihedral_angle_3_deg15.546
r_dihedral_angle_1_deg6.071
r_scangle_it3.216
r_scbond_it2.139
r_angle_refined_deg1.47
r_mcangle_it1.252
r_mcbond_it0.684
r_chiral_restr0.101
r_bond_refined_d0.014
r_gen_planes_refined0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6696
Nucleic Acid Atoms
Solvent Atoms232
Heterogen Atoms159

Software

Software
Software NamePurpose
REFMACrefinement
CNSrefinement
Blu-Icedata collection
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing