X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 20-26%(W/V) PEG 8000, 100 MM SODIUM CACODYLATE, PH6.5, 150MM SODIUM ACETATE, 6%(V/V) DIOXANE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.98 α = 109.4
b = 59.54 β = 101.5
c = 71.05 γ = 90.14
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU BENT FOCUSING MIRROR 1995-10-26
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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 30 78.3 -- 0.028 -- 1.9 -- 28851 -- 1.0 15.2
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)
2.0 2.05 28.8 -- 0.089 6.0 1.6 --

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 2.0 8.0 -- 1.0 -- 28043 1365 78.0 -- 0.197 0.197 0.268 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 2.0 2.03 -- 24 473 0.234 0.367 0.074 24.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.6
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.571
x_bond_d 0.01
x_angle_deg 1.734
x_dihedral_angle_d 26.87
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 30.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4688
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 469

Software

Computing
Computing Package Purpose
HKL Data Reduction (intensity integration)
HKL Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building