X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Details 28% PEG 8000, 200 mM Ammonium sulphate, 100 mM Sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.31 α = 90
b = 57.49 β = 90
c = 89.05 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 -- 2002-08-03
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 1.38482, 1.38561 ESRF ID29

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
1.48 34 99.5 -- 0.039 -- 4.0 43809 43809 -- -- --

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 1.48 34.0 -- 0.0 -- 41392 2191 99.49 -- 0.149 0.148 0.176 --
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 1.48 1.518 -- 147 3011 0.204 0.237 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.97
Anisotropic B[1][1] 0.41
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.21
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.015
p_angle_d 1.604
p_hb_or_metal_coord 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2167
Nucleic Acid Atoms 0
Heterogen Atoms 17
Solvent Atoms 355

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SOLVE model building
SCALA data reduction
MOSFLM data collection