X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7.5
Temperature 277.0
Details Ammonium sulfate, tris buffer, pH 7.5, VAPOR DIFFUSION, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.93 α = 90
b = 54.93 β = 90
c = 92.6 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS focussing mirrors 2000-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
1.65 40 99.7 0.074 -- -- 7.7 17756 17756 0.0 0.0 20.3
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)
1.65 1.68 98.6 0.468 -- -- 6.9 --

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 1.65 40.0 0.0 0.0 17756 17208 1100 -- 0.2491 0.2491 0.249 0.265 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 20.3
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.023
c_angle_deg 3.57
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 843
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 141

Software

Software
Software Name Purpose
R-AXIS data collection
DENZO data reduction
X-PLOR model building
X-PLOR refinement version: 3.851
R-AXIS data reduction
SCALEPACK data scaling
X-PLOR phasing