X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 10% PEG 8000, 50 MM CA-ACETATE, 50 MM SODIUM CACODYLATE PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.86 α = 90
b = 99.86 β = 90
c = 325.2 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
2.7 30 95.1 0.077 -- -- 4.6 -- 16761 1.0 0.5 --

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
-- 2.7 20.0 -- 1.0 -- 16743 -- 95.1 -- 0.188 0.188 -- --
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 2.7 2.82 -- -- 1733 0.271 -- -- 80.6
RMS Deviations
Key Refinement Restraint Deviation
x_angle_d 1.7
x_angle_deg 3.4
x_bond_d 0.01
x_dihedral_angle_d 29.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2734
Nucleic Acid Atoms 493
Heterogen Atoms 27
Solvent Atoms 112

Software

Software
Software Name Purpose
X-PLOR refinement version: 3.1
DENZO data reduction
SCALEPACK data scaling