X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 18.0
Details AMMONIUM SULFATE, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 18K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 151.7 α = 90
b = 52.26 β = 90
c = 52.65 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-09-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
1.88 26 92.0 0.05 -- -- 6.0 223460 31888 -- 2.0 19.659
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)
1.88 1.98 71.0 0.278 -- -- 3.0 --

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
-- 1.88 20.0 -- 2.0 31888 31297 3129 82.0 0.191 0.191 0.191 0.233 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.606
x_bond_d 0.014
x_angle_d 1.788
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2717
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 166

Software

Software
Software Name Purpose
FFT model building
X-PLOR refinement version: 3.843
DENZO data reduction
SCALEPACK data scaling
FFT phasing