X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details VAPOUR DIFFUSION. 20% PEG 4000, 5% ISOPROPANOL IN 100MM HEPES PH7.5 WITH 2MM NA2MOO4., pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.96 α = 90
b = 81.96 β = 90
c = 93.42 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-06-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
1.65 41 100.0 0.044 -- -- 12.4 -- 28231 -- -3.0 19.9
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)
1.65 1.68 100.0 0.107 -- 8.8 -- --

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 1.65 40.0 -- 0.0 -- 28231 1385 98.7 -- -- 0.191 0.226 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.0
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 51.7
p_staggered_tor 14.3
p_planar_tor 4.4
p_xyhbond_nbd 0.131
p_multtor_nbd 0.265
p_bond_d 0.026
p_angle_d 0.038
p_planar_d 0.043
p_mcbond_it 4.43
p_mcangle_it 3.967
p_scbond_it 4.995
p_scangle_it 6.918
p_plane_restr 0.0233
p_chiral_restr 0.162
p_singtor_nbd 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1954
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 79

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building