X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8.5
Temperature 277.0
Details PROTEIN WAS CRYSTALLIZED FROM 35% PEG 4000, 200 MM MGSO4 AND 200 MM TRIS/HCL PH 8.5, SITTING DROP METHOD, AT 4 DEG. C., vapor diffusion - sitting drop, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.47 α = 90
b = 54.56 β = 90.16
c = 45.59 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 280
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-10
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.8 25 99.9 0.073 -- -- -- -- 13017 -- 2.0 --

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
MULTIPLE ISOMORPHOUS REPLACEMENT 1.8 -- -- -- -- -- -- -- -- -- 0.19 0.26 --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1167
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 198

Software

Software
Software Name Purpose
CCP4 model building version: SUITE
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing