X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 15-17% (W/V) PEG 4000, 0.1M SODIUM CACODYLATE PH 5.0-5.5, 0.2M LITHIUM SULFATE, PROTEIN 12-15 MG/ML

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.73 α = 90
b = 81.71 β = 90
c = 125.16 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-05-13
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
1.8 20 97.3 0.05 -- -- 3.5 -- 47483 -- 2.5 --
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 1.9 92.8 0.22 -- 2.8 3.0 --

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 20.0 -- 0.0 -- 42571 4877 97.3 -- -- 0.197 0.247 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.3
RMS Deviations
Key Refinement Restraint Deviation
p_mcbond_it 5.25
p_mcangle_it 6.238
p_planar_tor 4.7
p_chiral_restr 0.203
p_transverse_tor 28.8
p_plane_restr 0.03
p_scbond_it 6.631
p_staggered_tor 15.4
p_angle_d 0.021
p_bond_d 0.023
p_singtor_nbd 0.18
p_scangle_it 8.414
p_planar_d 0.034
p_multtor_nbd 0.263
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3672
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 212

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction version: V. 6.0
SCALA data scaling
AMoRE phasing