X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.7
Details CRYSTALLIZED BY HANGING DROP VAPOR DIFFUSION METHOD USING 1:1 RATIO OF PROTEIN SOLUTION (10 MG/ML IN 20 MM SODIUM PHOSPHATE BUFFER PH6.7, 100-200 MM NACL, 0.6% BETA-OCTYL GLUCOPYRANOSIDE, 0.1 MM FLURBIPORFEN) AND RESERVOIR OF 4-8% PEG 4000., VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.4 α = 90
b = 210.3 β = 90
c = 233.1 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR -- -- --
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-21 -- -- --

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
3.1 20 96.0 0.076 -- -- -- -- 32349 -- 2.0 --
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)
3.1 3.2 -- -- -- -- -- --

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
MIR 3.1 20.0 -- 2.0 -- 40353 4665 94.3 -- 0.186 0.186 0.226 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.1 3.2 -- 481 4310 -- -- -- 92.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.49
x_bond_d 0.013
x_angle_deg 1.7
x_dihedral_angle_d 23.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8923
Nucleic Acid Atoms 0
Heterogen Atoms 360
Solvent Atoms 130

Software

Computing
Computing Package Purpose
MADNES, PROCOR Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
MLPHARE, CCP4 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
CCP4 model building
MLPHARE model building
CCP4 data reduction
PROCOR data collection
MADNES data collection