X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Temperature 291.0
Details 14% PEG 3350, 350 mM sodium acetate and 50 mM imidazole at 18 degrees (C), pH 7.5, temperature 291.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.5 α = 90
b = 79.9 β = 107.9
c = 55.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --

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
2.8 20 97.8 0.108 -- -- 2.51 -- 10209 -- -3.0 --
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)
2.8 2.93 95.9 0.339 -- 1.9 -- --

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 2.8 20.0 -- 0.0 10177 10177 481 97.8 0.246 0.246 0.235 0.295 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.42
Anisotropic B[1][1] -14.235
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -15.806
Anisotropic B[2][2] 18.549
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.313
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.869
c_scbond_it 2.186
c_mcangle_it 1.855
c_mcbond_it 1.324
c_angle_deg 1.1
c_bond_d 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2613
Nucleic Acid Atoms 632
Heterogen Atoms 31
Solvent Atoms 78

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
SCALEPACK data reduction
DENZO data collection