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

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHELXD phasing
SOLVE phasing
REFMAC refinement