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 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_transverse_tor 26.21
p_staggered_tor 16.95
p_planar_tor 5.21
p_xyhbond_nbd 0.143
p_multtor_nbd 0.276
p_bond_d 0.02
p_angle_d 0.019
p_planar_d 0.027
p_mcbond_it 1.904
p_mcangle_it 2.646
p_scbond_it 3.454
p_scangle_it 5.051
p_plane_restr 0.018
p_chiral_restr 0.191
p_singtor_nbd 0.182
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
EPMR Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
EPMR model building