X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 24.0
Details 2.5 M ammonium sulphate, 0.1 M sodium cacodylate, 2.4mM CYMAL-5, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 24K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.7 α = 90
b = 132 β = 90
c = 172.4 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
3 100
4 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-04-01
IMAGE PLATE MARRESEARCH -- 1998-04-01
IMAGE PLATE MARRESEARCH -- 1998-05-02
IMAGE PLATE MARRESEARCH -- 1998-03-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
3 25 97.1 0.058 -- -- 3.2 16332 63981 0.0 0.0 65.0
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)
3.0 3.1 75.6 0.318 -- -- 3.0 --

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
-- 3.0 25.0 0.0 0.0 16288 16288 809 93.2 0.241 0.241 0.238 0.313 random 5%
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.77
c_angle_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3589
Nucleic Acid Atoms 0
Heterogen Atoms 59
Solvent Atoms 0

Software

Software
Software Name Purpose
DENZO data reduction
SCALA data scaling
XTALVIEW refinement
CNS refinement
CCP4 data scaling version: (SCALA)