X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Details HANGING DROP VAPOR DIFFUSION IN 0.1M TRIS PH 8.5, 25% PEG 3350, 200MM NACL, 25-35% NAF USING A DROP SIZE OF 2-10 MICROL AND A RESERVOIR VOLUME OF 750 MICROL. CRYSTALS GREW IN 4-5 DAYS AT EITHER 17C OR 20C.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.61 α = 90
b = 81.02 β = 90
c = 181.54 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 MARRESEARCH -- 2009-03-19
Diffraction Radiation
Monochromator Protocol
SI111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-ID

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 30 99.8 0.07 -- -- 7.16 -- 44405 -- -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)
2.0 2.05 99.6 0.2 -- 11.7 7.25 --

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
SIRAS 2.0 30.0 -- 0.0 -- 44405 899 99.8 -- 0.185 0.185 0.23 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.0 2.05 -- -- -- -- -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.8
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 2.63
c_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5350
Nucleic Acid Atoms 0
Heterogen Atoms 70
Solvent Atoms 619

Software

Software
Software Name Purpose
XDS data reduction
XSCALE data scaling
SHARPD phasing
DM phasing
CNS refinement version: 1.1