X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.1M TRIS, PH 7.5, 0.2 M LITHIUM SULFATE, 30%(W/V) PEG 4000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.63 α = 90
b = 43.25 β = 90.73
c = 119.52 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2002-05-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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
-- -- -- -- -- -- -- -- n/a -- -- 26.0

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
-- 2.41 14.94 -- 0.0 -- 12768 652 97.5 -- 0.212 0.212 0.269 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 2.41 2.56 -- 109 1840 0.279 0.374 0.036 89.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.5
Anisotropic B[1][1] -5.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.67
Anisotropic B[2][2] 3.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.15
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.74
c_bond_d 0.007
c_angle_deg 1.4
c_dihedral_angle_d 25.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2722
Nucleic Acid Atoms 0
Heterogen Atoms 22
Solvent Atoms 145

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement