X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 12.0
Details potassium chloride, magnesium chloride, spermine, MPD, potassium cacodylate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 12K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 27.54 α = 90
b = 27.54 β = 90
c = 145.82 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-11-02
Diffraction Radiation
Monochromator Protocol
0.98 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.98 ESRF BM14

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
1.6 99 96.8 0.094 -- -- -- 9146 8862 3.0 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)
1.6 1.66 98.4 0.226 -- 6.38 -- --

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
MOLECULAR REPLACEMENT 1.6 99.0 -- 4.0 9146 8862 886 -- 0.2439 0.2293 0.225 0.2759 every 10th reflection
RMS Deviations
Key Refinement Restraint Deviation
s_bond_d 0.007
s_non_zero_chiral_vol 0.059
s_zero_chiral_vol 0.0
s_anti_bump_dis_restr 0.007
s_from_restr_planes 5.0E-4
s_approx_iso_adps 0.0
s_angle_d 0.019
s_similar_dist 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 506
Heterogen Atoms 5
Solvent Atoms 131

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building