X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 28% PEG 2000, 0.2 M CACL2, 0.1 M TRIS-HCL, PH= 7.5, 1MM NAD+, 1% 3-PENTANONE, 4 C.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.8 α = 90
b = 53 β = 107.2
c = 70.5 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRROR 1997-11-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, Hamburg X31

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
1.32 15 94.0 0.06 -- -- 3.0 -- 103695 -- -3.0 13.2
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)
1.32 1.43 94.0 0.4 -- 3.0 3.0 --

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 1.4 8.0 -- 0.0 -- 84601 -- -- -- -- 0.184 0.213 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3926
Nucleic Acid Atoms 0
Heterogen Atoms 100
Solvent Atoms 485

Software

Software
Software Name Purpose
X-PLOR model building
REFMAC refinement
AMoRE phasing
CCP4 model building
O model building
MAIN model building
RAVE model building
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing
CCP4 phasing
MAIN phasing
RAVE phasing