4UGV

Structure of Y357F Bacillus subtilis Nitric Oxide Synthase in complex with Arginine and 5,6,7,8-TETRAHYDROBIOPTERIN


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4D3TPDB ENTRY 4D3T

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29860 MM BIS-TRIS METHANE, 40 MM CITRIC ACID, 20% PEG3350, 1.9% 1-PROPANOL, PH 7.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K
Crystal Properties
Matthews coefficientSolvent content
2.8256.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.65α = 90
b = 94.42β = 90
c = 61.92γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCDMIRRORS2014-12-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL14-1SSRLBL14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.9837.541000.148.35.233503-321.72
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.982.0399.50.71.43.9

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 4D3T1.98537.5431.3524995127574.830.17960.17710.2271
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.341
f_angle_d1.032
f_chiral_restr0.057
f_bond_d0.005
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2940
Nucleic Acid Atoms
Solvent Atoms271
Heterogen Atoms78

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
Aimlessdata scaling