X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 22.0
Details 2.0 M ammonium sulfate, 0.1 M Na HEPES buffer, pH 7.5, 2 % PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 22K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.33 α = 90
b = 63.54 β = 90
c = 90.03 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1999-05-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.6 15 95.5 0.052 -- -- 4.4 1501196 34118 2.0 -- 16.7
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)
1.6 1.63 75.0 0.331 -- -- 4.3 1328

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
-- 1.6 15.0 -- 2.0 45657 32254 1700 95.2 -- -- 0.19 0.234 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
o_angle_deg 1.4
o_bond_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2008
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 291

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
ARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
ARP model building
SCALEPACK data reduction
DENZO data collection