X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 277.0
Details 100 mM sodium cacodylate pH 6.5, 200 mM calcium acetate, 18% PEG-8000, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.77 α = 90
b = 41.53 β = 94.94
c = 103.79 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 4.2.2 0.979 ALS 4.2.2

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
2 103.41 94.5 0.098 0.098 -- 3.0 -- 43289 -- -- --
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)
2.0 2.11 95.6 0.573 0.573 0.8 2.9 6344

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 51.709 -- 0.0 -- 43270 2222 94.3 -- -- 0.228 0.275 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.984
Anisotropic B[1][1] 0.746
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.28
Anisotropic B[2][2] -0.915
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.169
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.26
c_mcbond_it 1.502
c_bond_d 0.014
c_mcangle_it 2.38
c_angle_deg 1.777
c_scangle_it 3.249
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5087
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 216

Software

Software
Software Name Purpose
SCALA data scaling
CNS refinement
PDB_EXTRACT data extraction version: 2.000
d*TREK data reduction
CCP4 data scaling version: (SCALA)
PHASER phasing