X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details 900MM AMMONIUM SULPHATE ON 100MM MES, PH 6.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 167.85 α = 90
b = 167.85 β = 90
c = 167.85 γ = 90
Symmetry
Space Group P 43 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 99
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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 40 100.0 0.7 -- -- 14.2 -- 24636 -- -- --
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)
2.6 2.7 100.0 0.35 -- -- -- --

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
OTHER 2.6 20.0 -- 0.0 -- 24601 739 96.8 -- 0.22 0.22 0.25 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 44.9
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_angle_deg 1.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2360
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 70

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CCP4 model building
AMoRE phasing
CNS refinement version: 5.0
CCP4 phasing