X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Liquid Liquid Diffusion
pH 7.5
Details LIQUID-LIQUID DIFFUSION CAPILLARY CONTAINS: 0.1M TRIS PH 7.5, 0.1M NACL, 0.001M EDTA, 0.02% SODIUM AZIDE, 4.5 MG/ML LT-I, 0.025M LACTOSE AND 5% PEG 6000. CRYSTAL WAS SOAKED FOR 1 DAY IN LACTOSE FREE MOTHER LIQUOR CONTAINING 0.1M D-GAL-BETA1,3GALNAC BEFORE DATA COLLECTION., liquid - liquid diffusion

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 119.7 α = 90
b = 100.5 β = 90
c = 64.4 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS -- 1995-12-10
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
2.13 77 86.2 0.054 -- -- 2.5 -- 38264 -- -- --
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)
2.13 2.25 73.5 0.16 -- -- -- --

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
-- 2.13 8.0 -- 2.0 -- 37447 -- 86.5 -- 0.185 0.185 0.274 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.9
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.5
x_angle_deg 1.96
x_bond_d 0.012
x_dihedral_angle_d 23.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5978
Nucleic Acid Atoms 0
Heterogen Atoms 59
Solvent Atoms 183

Software

Software
Software Name Purpose
RAXIS data collection version: SOFTWARE
RAXIS data reduction version: SOFTWARE
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
R-AXIS data reduction
R-AXIS data scaling
X-PLOR phasing version: 3.1