X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details pH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.04 α = 92.56
b = 44.54 β = 103.26
c = 93.32 γ = 68.84
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC 03-27 1995
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
2.19 46 83.0 0.1 -- -- 2.0 -- 34095 -- 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
-- 2.2 8.0 -- 1.0 -- 32940 -- 84.0 -- 0.18 0.18 0.261 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.55
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.5
x_scbond_it 1.5
x_mcangle_it 2.0
x_mcbond_it 1.0
x_improper_angle_d 1.3
x_bond_d 0.009
x_angle_deg 1.68
x_dihedral_angle_d 25.39
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5562
Nucleic Acid Atoms 0
Heterogen Atoms 105
Solvent Atoms 314

Software

Computing
Computing Package Purpose
R-AXIS IIC (HAGASHI/RIGAKU) Data Reduction (intensity integration)
X-PLOR Structure Solution
X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
X-PLOR model building