X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details PEG8000, Magnesium Acetate, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.92 α = 90
b = 82.44 β = 90
c = 88.65 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRROR 1997-11-12
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 1.5418 -- --

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
2.2 50 87.6 0.089 -- -- 4.9 17760 15251 2.0 2.0 25.8
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)
2.2 2.28 54.8 0.264 -- -- 2.9 --

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
FOURIER SYNTHESIS 2.2 50.0 0.0 0.0 17733 15245 919 -- 0.212 0.203 0.193 0.262 RANDOM
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 2.2 2.31 1477 90 -- 0.217 0.33 -- 58.0
X Ray Diffraction 2.433 2.31 1671 102 -- 0.194 0.26 -- 72.0
X Ray Diffraction 2.568 2.433 1710 94 -- 0.188 0.291 -- 81.0
X Ray Diffraction 2.72 2.568 1743 92 -- 0.18 0.281 -- 92.0
X Ray Diffraction 2.891 2.72 1635 89 -- 0.178 0.263 -- 97.0
X Ray Diffraction 3.085 2.891 1487 69 -- 0.178 0.247 -- 98.0
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 4.984
p_mcbond_it 3.721
p_angle_d 0.037
p_bond_d 0.019
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2427
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 109

Software

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