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 CCD 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

Software
Software Name Purpose
REFMAC refinement
XDS data reduction
XSCALE data scaling
SOLVE phasing