X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 268.0
Details Peg4000, sodium acetate, lithium or ammonium sulfate, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 268K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 109.02 α = 90
b = 61.75 β = 97.08
c = 71.74 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE ADSC -- 1998-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.05 15 99.0 0.068 -- -- 3.11 25472 25472 0.0 0.0 32.0
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)
2.05 2.1 95.5 0.39 -- 4.07 2.83 2421

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 2.05 20.0 0.0 0.0 -- 29616 1492 99.0 -- -- 0.214 0.272 random
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.017
p_angle_d 1.56
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3060
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 322

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
MLPHARE model building
REFMAC refinement