X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details SITTING DROP VAPOUR DIFFUSION, WELL:100MM HEPES PH8.2 9% ISOPROPANOL, 3% METHANOL, 200MM NACL PROTEIN: 10-12MG/ML ,20MM CHES PH9.5,2MM DTT ,0.1MM EDTA. DROP 1:0.6 PROTEIN:WELL, pH 8.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 107.44 α = 90
b = 114.74 β = 90
c = 187.26 γ = 90
Symmetry
Space Group P 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRRORS 2002-02-21
Diffraction Radiation
Monochromator Protocol
SI(111) OTHER
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
3 30 97.5 0.06 -- -- 3.7 -- 46186 -- -- --
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)
3.0 3.11 87.8 0.44 -- 2.6 -- --

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
SIRAS 3.0 20.0 -- -- -- 43710 2290 97.5 -- 0.25457 0.25179 0.30833 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 58.433
Anisotropic B[1][1] -6.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 14.59
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.91
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12436
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 102

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELXD, SOLVE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SOLVE model building
SHELXD model building