X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details HANGING DROP VAPOUR DIFFUSION, DROP: 4UL 5MG/ML PROTEIN & 2UL WELL. PROTEIN: 0.05M TRIS PH 8.0,10% GLYCEROL, 0.1% TRITON X-100,1.0MM 2-ME,4% XYLITOL. WELL: 0.2M (NH4)2SO4,0.1M NAOAC PH 4.6, 25% PEG4000.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.06 α = 90
b = 94.26 β = 103.52
c = 100.16 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 125
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD DOUBLE FOCUSSING 2000-01-15
Diffraction Radiation
Monochromator Protocol
SI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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 19.34 95.2 -- 0.042 -- 1.9 -- 93168 -- 0.0 24.47
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 95.2 -- 0.383 1.7 1.9 --

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 19.34 -- 0.0 -- 92076 4649 95.2 -- -- 0.196 0.237 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.5
RMS Deviations
Key Refinement Restraint Deviation
p_plane_restr 0.018
p_planar_tor 5.21
p_angle_d 0.019
p_bond_d 0.02
p_staggered_tor 16.95
p_mcangle_it 2.646
p_multtor_nbd 0.276
p_scangle_it 5.051
p_transverse_tor 26.21
p_singtor_nbd 0.182
p_scbond_it 3.454
p_mcbond_it 1.904
p_planar_d 0.027
p_chiral_restr 0.191
p_xyhbond_nbd 0.143
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6460
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 768

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
SCALA data scaling
EPMR phasing