X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 100MM CACODYLATE BUFFER PH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.1 α = 90
b = 53.1 β = 90
c = 164.1 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1990-12
Diffraction Radiation
Monochromator Protocol
SINGLE CRYSTAL --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
3 15 90.0 -- -- -- 3.2 -- 4912 -- 2.0 --

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 3.0 15.0 -- 2.0 -- 4912 217 90.0 -- 0.218 0.218 0.287 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 3.0 3.11 -- 24 417 0.253 0.324 -- 89.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.7
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.011
x_angle_deg 1.62
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1592
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 36

Software

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