X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 1MUL PROTEIN AT 60MG/ML IN 20MM HEPES, 0.5M NACL, PH 7, WAS MIXED WITH 4MUL, 0.125M HEPES PH 7.0, 5% PEG 6000 RESERVOIR 0.1M HEPES, 4% PEG 6000, 0.1M NACL CRYSTALS GROWTH INDUCED BY MICRO SEEDING

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 109.47 α = 90
b = 66.34 β = 124.41
c = 82.83 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRRORS 2002-10-13
Diffraction Radiation
Monochromator Protocol
SI (111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.9 20 98.6 0.048 -- -- 3.7 -- 38275 -- -- --
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)
1.9 2.0 99.1 0.3 -- 4.1 3.7 --

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 1.9 18.8 -- -- -- 36396 1876 98.6 -- 0.21946 0.21775 0.25344 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.224
Anisotropic B[1][1] -3.45
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.99
Anisotropic B[2][2] 0.06
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2178
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 48

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SOLVE model building