X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 300.0
Details 1.8 mM Ammonium Sulfate, 50 mM MES pH 6.5, 5% dioxane, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.95 α = 90
b = 55.95 β = 90
c = 97.07 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-03-20
Diffraction Radiation
Monochromator Protocol
graphite MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-D 1.000 APS 14-BM-D

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
1.2 19.8 89.5 -- -- -- -- -- 41694 2.0 2.0 --
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)
1.2 1.23 78.1 -- -- -- -- --

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
MAD 1.2 19.8 -- 0.0 -- 41694 2250 -- 0.152 0.152 0.139 0.166 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.2 1.23 2618 157 -- 0.197 0.229 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.008
p_angle_d 1.22
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.042
Luzzati ESD (R-Free Set) 0.038
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 924
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 271

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
REFMAC refinement