3PNH

Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain in complex with 6-(((3R,4R)-4-(2-((2-FLUORO-2-(3-FLUOROPHENYL) ETHYL)AMINO)ETHOXY)PYRROLIDIN-3-YL)METHYL)-4-METHYLPYRIDIN-2-AMINE


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 277.0
Details 12-16% PEG3350, 0.1M Cacodylate, 0.1M Mg acetate, 5mM TCEP, 2mM imidazole, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.94 α = 90
b = 107 β = 90
c = 156.86 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 mirrors 2010-05-15
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 0.979 SSRL BL7-1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.93 50 98.8 0.069 0.069 -- 4.1 -- 73344 -- -3.0 25.5
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.93 1.96 99.9 0.542 0.542 2.0 4.1 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
FOURIER SYNTHESIS 1.93 48.46 -- -- -- 69607 3656 98.71 -- 0.16562 0.16359 0.20438 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.93 1.979 5056 263 5056 0.236 0.26 -- 98.65
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.523
Anisotropic B[1][1] 0.24
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.07
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.028
r_chiral_restr 0.114
r_bond_refined_d 0.016
r_mcangle_it 1.505
r_dihedral_angle_1_deg 6.162
r_scbond_it 2.532
r_dihedral_angle_4_deg 19.579
r_gen_planes_refined 0.008
r_mcbond_it 0.827
r_dihedral_angle_3_deg 16.007
r_angle_refined_deg 1.523
r_dihedral_angle_2_deg 34.81
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6407
Nucleic Acid Atoms 0
Heterogen Atoms 203
Solvent Atoms 637

Software

Software
Software Name Purpose
Blu-Ice data collection version: Ice
REFMAC refinement
HKL-2000 data reduction
SCALEPACK data scaling
REFMAC phasing