X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 298.0
Details PEG 8000, Ammonium sulphate, Mes, magnesium chloride, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.24 α = 90
b = 103.54 β = 90
c = 176.65 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2008-12-13
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.1 1.0 ALS 8.2.1

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
2.96 103.7 99.0 -- -- -- -- 28989 28736 0.0 0.0 250.0
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)
2.96 3.05 99.0 -- -- -- -- --

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
MIR 2.96 57.1 -- 0.0 28736 28726 2009 99.6 0.217 0.216 0.216 0.271 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 2.96 3.15 -- 347 4397 0.317 0.352 0.019 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 50.8
Anisotropic B[1][1] -10.06
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.66
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 5.01
c_scangle_it 7.6
c_mcbond_it 3.21
c_scbond_it 5.29
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.45
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.46
Luzzati Sigma A (R-Free Set) 0.54
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6432
Nucleic Acid Atoms 650
Heterogen Atoms 20
Solvent Atoms 50

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
MOLREP phasing
CNS refinement version: 1.2
MOSFLM data reduction
SCALA data scaling