X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 27% PEG 6K, 100MM HEPES, 1.0M LICL (PH 7.0)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.88 α = 90
b = 81.17 β = 90
c = 36.69 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 119
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1988-08
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.74 10 88.2 0.07 -- -- 8.6 -- 11853 -- 0.0 10.3

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
-- 1.8 10.0 -- 0.0 -- 10508 1087 87.3 -- 0.186 0.186 0.227 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 1.8 1.86 -- 69 680 0.236 0.283 0.034 63.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 11.7
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.68
x_scbond_it 1.71
x_mcangle_it 1.11
x_mcbond_it 0.76
x_improper_angle_d 1.46
x_bond_d 0.017
x_angle_deg 2.66
x_dihedral_angle_d 20.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 10.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.03
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 973
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 204

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
R-AXIS Data Reduction (data scaling)
X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building