X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 291.0
Details 20% PEG 8000, 0.2M MAGNESIUM ACETATE, 0.1M CACODYLATE AT PH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.68 α = 90
b = 42.68 β = 90
c = 289.15 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 1997-07-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B -- NSLS X12B

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
2.06 50 89.4 0.03 -- -- 5.0 -- 16187 -- 0.0 --
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 2.12 45.0 0.042 -- -- -- --

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 REPLACEMEN 2.06 12.5 -- 2.0 -- 15179 -- -- -- -- 0.208 0.28 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 25.1
p_staggered_tor 18.1
p_planar_tor 7.5
p_bond_d 0.187
p_angle_d 0.206
p_planar_d 0.098
p_mcbond_it 2.26
p_mcangle_it 3.33
p_scbond_it 2.73
p_scangle_it 3.92
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1865
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 163

Software

Computing
Computing Package Purpose
ADSC Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building
SCALEPACK data reduction
ADS data collection