X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 301.0
Details PEG 8k, NaCl, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 301K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.34 α = 90
b = 87.34 β = 90
c = 98.22 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-04-11
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R 1.54 -- --

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
2.45 20 97.0 0.23 0.23 -- 3.0 5289 5289 0.0 0.0 30.0

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
FOURIER SYNTHESIS 2.45 20.0 0.0 0.0 5289 5289 530 97.0 0.216 0.216 0.216 0.265 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 28.0
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.32
c_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1108
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 20

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 0.9 Structure Refinement
Software
Software Name Purpose
CNS version: 0.9 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection