X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 210.0
Details PEG 4K 34%, AMMONIUM SULFATE 100mM, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 210K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.08 α = 90
b = 79.65 β = 91.24
c = 60.21 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1998-09-24
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.7 15 93.0 -- 0.037 -- 2.9 39489 115710 0.0 0.0 21.7
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)
1.7 1.75 75.8 -- 0.247 3.4 1.5 --

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
-- 1.7 15.0 0.0 0.0 38816 38816 1969 -- -- -- 0.186 0.219 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.7
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.02
p_angle_d 0.024
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2333
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 317

Software

Computing
Computing Package Purpose
MARXDS Data Reduction (intensity integration)
XDS Data Reduction (data scaling)
WARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
WARP model building
XDS data reduction
MARXDS data collection