X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.65 MM AMMONIUM SULPHATE, 100 MM HEPES/NAOH PH 7.5, 5% (V/V) PEG 400, CRYO-BUFFER: 2 M LITHIUM SULPHATE, 100 MM HEPES/NAOH PH 7.5, 5% (V/V) PEG 400

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.2 α = 90
b = 215.9 β = 90
c = 207.9 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2000-08-24
Diffraction Radiation
Monochromator Protocol
TRIANGULAR MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
1.3 50 99.7 0.031 -- -- 4.3 -- 693388 -- -- --
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)
1.3 1.33 98.0 0.425 -- 2.4 3.7 --

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 1.295 50.0 -- -- -- 679113 13809 99.7 -- 0.15352 0.1529 0.18367 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 21456
Nucleic Acid Atoms 0
Heterogen Atoms 87
Solvent Atoms 3716

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction version: FOR INDEXING
PROW data reduction version: FOR INTEGRATION
SCALEPACK data scaling
SOLVE phasing
DM phasing
ARP phasing