X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.8
Temperature 295.0
Details 12% PEG 4000, 0.75mM spermine, 50mM sodium bicine, 1mM EDTA, 5mM DTT, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 183.8 α = 90
b = 60.77 β = 94.38
c = 68.15 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 140
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1997-06-27
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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 45.2 93.5 0.077 -- -- 3.3 35708 35708 0.0 -- 10.45
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 2.3 79.0 0.241 -- -- 2.3 2906

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
-- 2.2 30.0 -- 2.0 35708 35371 3518 92.6 0.212 0.212 0.208 0.268 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_dihedral_angle_d 24.64
x_improper_angle_d 1.53
x_angle_deg 1.8
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4926
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 160

Software

Software
Software Name Purpose
DENZO data reduction
TRUNCATE data reduction
X-PLOR model building
X-PLOR refinement version: 3.851
CCP4 data scaling version: (TRUNCATE)
X-PLOR phasing