X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.26 α = 90
b = 72.26 β = 90
c = 65.6 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MACSCIENCE -- 1998-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE -- -- --

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
2.03 24 98.5 -- 0.032 -- 4.6 -- 13085 -- -- 29.5

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 2.02 20.0 -- 0.0 -- 12346 654 98.5 -- -- 0.225 0.289 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.2
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.01
p_angle_d 0.028
p_planar_d 0.03
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1092
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 100

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
CCP4 model building