X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Temperature 295.0
Details PEG 3350, Tris-HCl, ATP, pH 7.1, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 131.51 α = 90
b = 131.51 β = 90
c = 39.81 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
2 294
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1999-11-22
IMAGE PLATE RIGAKU RAXIS IIC -- 2000-01-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --
ROTATING ANODE RIGAKU RU300 -- -- --

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 66 85.3 0.053 -- -- 7.2 12473 11526 2.0 1.0 39.1
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 2.28 70.2 0.252 -- -- 3.8 946

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 2.0 11256 11256 1033 -- 0.204 0.204 0.198 0.272 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 23.5
x_improper_angle_d 1.28
x_bond_d 0.009
x_angle_deg 1.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1931
Nucleic Acid Atoms 0
Heterogen Atoms 75
Solvent Atoms 96

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.1
R-AXIS data reduction
R-AXIS data scaling
X-PLOR phasing