X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.6
Temperature 291.0
Details 1.5 M Li2SO4, 0.1 M HEPES, 0.5% NaAzide, 10 mM EDTA, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.42 α = 90
b = 130.25 β = 90
c = 67.28 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
2 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD 3x3 mosaic in house -- 1998-08-14
CCD BRANDEIS -- 1998-06-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
1.7 35.33 94.2 0.035 -- -- 5.6 188165 68339 0.0 0.0 18.9
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)
1.75 1.81 93.9 0.242 -- -- 2.6 2281

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
-- 1.75 35.21 2.0 0.0 31646 31393 3140 99.2 -- -- 0.214 0.25 random 10% pick using make_cv.inp of CNS.
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_torsion_impr_deg 0.73
c_torsion_deg 22.9
c_bond_d 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2146
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 227

Software

Software
Software Name Purpose
XTAL data collection version: 1=MARMAD
SCALEPACK data scaling
SOLVE phasing
SHARP phasing
CNS refinement
MARMAD data reduction
DENZO data reduction