X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details MICROSEEDING; 1.2 M AMMONIUM SULFATE, 2% PEG 400, 25 MM SODIUM CITRATE PH 5.6. PRIOR TO DATA COLLECTION CRYSTAL WAS SOAKED IN THE SAME SOLUTION WITH PH ADJUSTED TO 7.0.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.45 α = 90
b = 47.96 β = 112.64
c = 63.06 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II MIRRORS 1995-01
Diffraction Radiation
Monochromator Protocol
NI FILTER --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.06 34.3 93.0 0.049 -- -- 2.1 -- 18331 -- 2.0 --
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)
2.06 2.25 91.8 0.013 -- 6.4 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
MIR 2.0 34.3 -- 2.0 -- 18035 -- 93.0 -- -- 0.2 0.28 --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2224
Nucleic Acid Atoms 0
Heterogen Atoms 26
Solvent Atoms 111

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
ARP/WARP, PHASES Structure Solution
ARP/WARP Structure Refinement
Software
Software Name Purpose
ARP/wARP refinement
PHASES model building
ARP/wARP model building