X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 289.0
Details 1.5M ammonium sulfate, 25% glycerol, 200 mM NaCl (unbuffered), pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.36 α = 90
b = 74.36 β = 90
c = 288.05 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 173
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD NOIR-1 -- 2006-01-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 4.2.2 1.00 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
2.25 52.58 88.5 0.051 -- -- 9.32 35017 35017 0.0 0.0 --
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)
2.25 2.33 41.4 0.243 -- 3.0 1.78 1598

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 2.25 52.58 -- 0.0 73170 62488 6064 85.4 0.204 0.204 0.201 0.234 Random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.559
Anisotropic B[1][1] -2.618
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.618
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.236
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.575
c_mcangle_it 2.217
c_scbond_it 2.338
c_mcbond_it 1.351
c_angle_deg 1.3
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.34
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3690
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 262

Software

Computing
Computing Package Purpose
Custom beamline Data Collection
d*TREK Data Reduction (intensity integration)
d*TREK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
Custom version: beamline data collection