X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details SITTING DROP VAPOR DIFFUSION AT 291K. PROTEIN STOCK: 26MG/ML REPA, 10MM TRIS-HCL PH8.0, 150MM NACL, 0.1MM EDTA. PRECIPITANT: 100MM TRIS-HCL PH 7.5, 26% PEG400, 100MM MGSO4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 190.29 α = 90
b = 190.29 β = 90
c = 190.29 γ = 90
Symmetry
Space Group P 43 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 2000-12-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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
2.52 150 99.1 0.106 -- -- 7.64 -- 40046 -- -- --
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)
2.52 2.58 89.7 0.6 -- 3.3 4.1 --

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 2.55 25.0 -- -- -- 37753 991 99.8 -- -- 0.176 0.211 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.55 2.62 -- 69 2726 0.23 0.302 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.09
RMS Deviations
Key Refinement Restraint Deviation
r_mcbond_it 0.829
r_scangle_it 4.223
r_mcangle_it 1.564
r_scbond_it 2.633
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3810
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 421

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling