X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.2
Details HANGING DROP, 0.1M TRI-SODIUM CITRATE, 6% (W/V) TRIS, 0.02% (W/V) ZINC ACETATE, PH 8.2.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.75 α = 90
b = 78.75 β = 90
c = 79.2 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-06
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, HAMBURG X31

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 15 98.0 0.055 -- -- 2.4 -- 16624 -- -- 17.3
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 1.83 73.0 0.278 -- -- -- --

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 1.8 15.0 -- 0.0 -- 16624 -- 98.0 -- -- 0.174 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.4
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 24.7
p_staggered_tor 15.7
p_planar_tor 4.5
p_xyhbond_nbd 0.27
p_multtor_nbd 0.28
p_bond_d 0.01
p_angle_d 0.03
p_planar_d 0.03
p_mcbond_it 1.63
p_mcangle_it 2.27
p_scbond_it 1.99
p_scangle_it 3.03
p_plane_restr 0.02
p_chiral_restr 0.08
p_singtor_nbd 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1592
Nucleic Acid Atoms 0
Heterogen Atoms 96
Solvent Atoms 154

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
SCALEPACK data reduction
DENZO data collection