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_angle_d 1.604
p_bond_d 0.015
p_hb_or_metal_coord 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2203
Nucleic Acid Atoms 0
Heterogen Atoms 22
Solvent Atoms 355

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
SOLVE phasing
REFMAC refinement
CCP4 data scaling version: (SCALA)