X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details PROTEIN WAS CRYSTALLIZED FROM 0.1M SODIUM ACETATE, PH 6.0, 2.0-2.1 M AMMONIUM SULFITE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.58 α = 90
b = 79.58 β = 90
c = 105.56 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1996-12
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
2.1 30 88.4 -- 0.066 -- 2.2 -- 20438 -- -- --
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)
2.1 2.15 88.1 -- 0.176 4.6 -- --

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 2.1 18.0 -- 1.0 -- -- -- -- -- 0.19 0.19 0.25 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.91
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.397
x_improper_angle_d 1.226
x_bond_d 0.009
x_dihedral_angle_d 22.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2537
Nucleic Acid Atoms 32
Heterogen Atoms 1
Solvent Atoms 117

Software

Software
Software Name Purpose
AMoRE phasing
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling