X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 290.0
Details PEG 4000, zinc acetate, sodium cacodylate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 27.35 α = 90
b = 41.94 β = 90
c = 64.53 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 2001-05-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.978 SRS PX14.2

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
1.2 15 92.0 0.086 -- -- -- -- 21956 -- -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)
1.2 1.22 86.0 0.391 -- -- -- --

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 1.2 12.0 0.0 0.0 21868 21868 -- -- -- -- 0.16 0.193 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
o_bond_d 0.009
o_angle_deg 2.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 597
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 162

Software

Computing
Computing Package Purpose
ADX, DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
WARPNTRACE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
warpntrace model building
Denzo/scalepack data reduction
ADX data collection