X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.6
Temperature 292.0
Details 9-11 % (w/v) PEG 6000, 0.5 M lithium sulfate, 0.1 M citrate. 4 + 4 mikrolitre. Substrate added in 1 mikrolitre 50 mM., pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.57 α = 89.94
b = 73.41 β = 80.61
c = 134.29 γ = 80.93
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-02-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.77 40.64 93.9 0.072 -- -- 2.0 -- 202988 0.0 0.0 17.0
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)
1.77 1.86 77.4 0.302 -- -- 1.3 --

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
-- 1.77 40.64 0.0 0.0 -- 230146 12192 93.3 -- 0.159 0.156 0.215 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.45
Anisotropic B[1][1] 0.45
Anisotropic B[1][2] 0.02
Anisotropic B[1][3] -0.03
Anisotropic B[2][2] -0.16
Anisotropic B[2][3] -0.26
Anisotropic B[3][3] -0.28
RMS Deviations
Key Refinement Restraint Deviation
p_chiral_restr 0.126
p_plane_restr 0.01
p_scangle_it 7.678
p_scbond_it 6.138
p_mcangle_it 5.708
p_mcbond_it 4.27
p_bond_d 0.022
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 18296
Nucleic Acid Atoms 0
Heterogen Atoms 717
Solvent Atoms 2971

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