X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.3
Temperature 302.0
Details PEG 6000, sodium chloride, magnesium chloride, tris-HCl, pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 302K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.9 α = 90
b = 82.56 β = 90
c = 132.26 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 198
2 198
3 198
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B4 -- 1998-10-01
IMAGE PLATE MARRESEARCH -- 1998-01-01
CCD BRANDEIS - B1.2 -- 1999-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE OTHER -- -- --
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
1.8 25 99.1 0.059 -- -- 16.2 -- 79737 2.0 0.0 --
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)
1.8 1.86 96.0 0.107 -- -- -- 7547

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
-- 1.8 500.0 0.0 0.0 -- 78928 2390 -- -- -- 0.169 0.195 random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.54
c_bond_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5764
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 756

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement
DENZO data reduction
SCALEPACK data scaling