X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.4
Details CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 1.9M (NH4)2SO4, 0.1M TRISHCL PH 8.4 AT 4 C

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.12 α = 90
b = 81.12 β = 90
c = 113.6 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
2.6 15 97.4 -- 0.108 -- 4.0 -- 13208 -- -3.0 --
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)
2.6 2.74 95.7 -- 0.36 1.9 4.0 --

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
MOLECULAR REPLACEMENT 2.6 10.0 -- 0.0 -- 13018 1293 97.4 -- -- 0.199 0.246 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 2.6 2.72 -- 159 1308 0.288 0.366 -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2304
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 202

Software

Software
Software Name Purpose
DENZO data reduction
SCALA data scaling
X-PLOR model building
X-PLOR refinement version: 3.851
CCP4 data scaling version: (SCALA)
X-PLOR phasing