X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 293.0
Details pH 6.00, VAPOR DIFFUSION, SITTING DROP, temperature 293.00K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49 α = 109
b = 50.2 β = 108
c = 64.1 γ = 96
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1995-08-15
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 -- -- 0.065 -- -- -- -- n/a -- -- 28.2

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
-- 2.0 6.0 -- 1.0 -- 31018 -- 88.0 -- 0.184 0.184 0.246 --
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 2.0 2.09 -- -- -- 0.257 0.286 -- 62.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.47
x_bond_d 0.013
x_angle_deg 2.62
x_dihedral_angle_d 23.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3619
Nucleic Acid Atoms 446
Heterogen Atoms 2
Solvent Atoms 229

Software

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