X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details AMMONIUM SULFATE, LITHIUM SULFATE, CITRATE PH=6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.49 α = 90
b = 57.49 β = 90
c = 86.49 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

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 18 99.9 -- 4.9 -- 7.4 -- 14102 -- -- --
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 1.82 99.8 -- 36.2 5.6 7.1 --

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
MIRAS 1.8 10.0 -- 2.0 -- 13993 693 99.9 -- -- 0.175 0.244 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.2
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 17.0
p_staggered_tor 16.2
p_planar_tor 4.6
p_xyhbond_nbd 0.199
p_multtor_nbd 0.301
p_bond_d 0.017
p_angle_d 0.032
p_planar_d 0.038
p_mcbond_it 3.868
p_mcangle_it 4.691
p_scbond_it 4.43
p_scangle_it 6.004
p_plane_restr 0.02
p_chiral_restr 0.146
p_singtor_nbd 0.197
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 923
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 140

Software

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