X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.1M HEPES BUFFER, PH 7.5 2M AMMONIUM SULPHATE 3-4% PEG 400

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.55 α = 90
b = 115.92 β = 90
c = 229.65 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
IMAGE PLATE MARRESEARCH -- 1998-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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 20 98.1 0.083 -- -- 3.8 -- 123010 -- 0.0 17.0
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)
-- -- -- -- -- 5.1 -- --

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
MOLECULAR REPLACEMENT 2.0 20.0 -- 0.0 -- 116649 6176 98.1 -- -- 0.194 0.241 EVERY 20TH
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.013
p_angle_d 0.032
p_planar_d 0.033
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11868
Nucleic Acid Atoms 0
Heterogen Atoms 214
Solvent Atoms 1318

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
CCP4 Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
CCP4 model building