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 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_scangle_it 4.223
r_scbond_it 2.633
r_mcangle_it 1.564
r_mcbond_it 0.829
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement