X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 298.0
Details 25% poly-ethylene glycol 4000, 50mM phosphate buffer, 0.2mM ammonium acetate, 20% isopropanol, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.35 α = 90
b = 60.35 β = 90
c = 213.9 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 170
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 2001-11-10
Diffraction Radiation
Monochromator Protocol
Flat mirror, single SI crystal bend SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 0.99 SSRL BL7-1

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
2.5 36.62 94.8 -- 0.072 -- 6.8 -- 13538 0.0 0.0 43.7
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)
2.5 2.64 96.6 -- 0.22 3.3 5.21 2047

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 2.5 37.0 -- 0.0 12441 12441 991 -- -- 0.219 0.209 0.324 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Anisotropic B[1][1] -0.31
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.31
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.62
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 15.975
t_bond_d 0.01
t_angle_deg 1.647
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2658
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 122

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
CNS refinement
TNT refinement
CCP4 data scaling version: (SCALA)