X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details 10 % PEG 4000, 100 MM LITHIUM SULPHATE 100 MM SODIUM ACETATE, PH 4.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.02 α = 90
b = 59.02 β = 90
c = 66.97 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 1998-12-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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 28 99.4 -- 0.056 -- 8.7 -- 16570 -- -- 29.133
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 1.71 99.3 -- 0.268 3.8 3.4 --

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
MAD 1.65 28.0 -- 0.0 -- 15811 843 99.4 -- 0.23538 0.20774 0.26593 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.031
RMS Deviations
Key Refinement Restraint Deviation
p_multtor_nbd 0.264
p_singtor_nbd 0.19
p_chiral_restr 0.127
p_staggered_tor 14.8
p_angle_d 0.033
p_plane_restr 0.0242
p_transverse_tor 16.7
p_special_tor 0.0
p_bond_d 0.016
p_scbond_it 4.395
p_mcangle_it 3.812
p_xhyhbond_nbd 0.0
p_planar_tor 4.7
p_scangle_it 5.607
p_mcbond_it 2.66
p_planar_d 0.042
p_xyhbond_nbd 0.098
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 974
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 95

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing