X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.7
Temperature 291.0
Details PEG 6000, ammonium sulphate, sodium cacodilate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.33 α = 90
b = 57.33 β = 90
c = 130.86 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH Mirrors 2002-02-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LNLS BEAMLINE D03B-MX1 1.38 LNLS D03B-MX1

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
2.2 30 94.3 0.096 -- -- 7.3 13254 13254 -- -3.0 35.8
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)
2.2 2.3 95.5 0.646 -- 1.6 4.3 1525

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 2.2 30.0 -- 0.0 -- 12489 641 94.5 -- -- 0.208 0.266 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 2.2 2.34 1931 98 -- 0.254 0.311 0.031 95.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 38.9
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.66
c_dihedral_angle_d 21.6
c_bond_d 0.005
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 4.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1864
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 397

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMoRE model building
SCALEPACK data reduction
DENZO data collection