X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.6
Temperature 298.0
Details 100 mM sodium citrate pH 5.6, 20% PEG 4000, 20% isopropanol, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.07 α = 90
b = 51.99 β = 118.81
c = 74.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 130
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-24
Diffraction Radiation
Monochromator Protocol
Double Crystal Si(220) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 1.6920, 1.7395, 1.7419, 1.7968 SSRL BL9-2

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 43 99.8 0.084 -- -- 6.92 11525 11525 -- 3.0 56.32
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)
3.0 3.05 100.0 0.203 0.203 10.0 6.4 --

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
MAD 3.0 50.0 0.0 0.0 21674 21635 2125 -- -- -- 0.236 0.279 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.326
c_bond_d 0.0098
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3794
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
CNS 0.9 Structure Refinement
Software
Software Name Purpose
CNS version: 0.9 refinement
SHARP model building