X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.4
Temperature 277.0
Details 0.1M imidazole, 1-1.4 M sodium acetate anhydrous, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.94 α = 90
b = 97.94 β = 90
c = 80.75 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.1 -- ALS 5.0.1

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
2.6 84.82 99.9 -- -- -- -- -- 12957 1.0 1.0 --

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
MOLECULAR REPLACEMENT 2.6 84.82 -- -- -- 12957 677 99.9 -- 0.21866 0.2153 0.28656 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 2.6 2.668 -- 54 944 0.289 0.428 -- 99.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.814
Anisotropic B[1][1] 0.73
Anisotropic B[1][2] 0.36
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.73
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.09
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 22.009
r_gen_planes_refined 0.008
r_scangle_it 4.905
r_dihedral_angle_1_deg 6.938
r_angle_refined_deg 1.887
r_bond_refined_d 0.021
r_dihedral_angle_3_deg 17.226
r_mcangle_it 2.113
r_chiral_restr 0.115
r_scbond_it 3.05
r_dihedral_angle_2_deg 36.471
r_mcbond_it 1.104
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2230
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 91

Software

Software
Software Name Purpose
HKL-2000 data collection
MOLREP phasing
REFMAC refinement version: 5.5.0088
HKL-2000 data reduction
HKL-2000 data scaling