X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 298.0
Details 12% PEG-1550, 50mM calcium acetate and 100 mM acetaete buffer, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.05 α = 90
b = 62.78 β = 90
c = 66.83 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 1999-06-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
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
2.5 19.5 97.4 0.121 -- -- 6.9 8068 7829 -- 2.0 36.9
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)
2.5 2.56 95.5 0.611 -- -- 6.5 511

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
-- 2.5 19.5 2.0 4.0 8068 7829 -- 97.4 -- 0.1861 0.186 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.013
t_angle_deg 2.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1738
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 30

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
TNT Structure Solution
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
TNT version: 5E refinement
TNT model building
SCALEPACK data reduction
R-AXIS data collection