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Superose 6 10 300 gl column

Manufactured by GE Healthcare
Sourced in United States, Sweden, United Kingdom, Germany, Ireland

The Superose 6 10/300 GL column is a size exclusion chromatography column designed for the purification and analysis of macromolecules. It is suitable for the separation and fractionation of proteins, peptides, nucleic acids, and other biomolecules based on their molecular size and shape.

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247 protocols using superose 6 10 300 gl column

1

Plasma Lipoprotein Fractionation and Analysis

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Plasma samples were pooled (n = 2–4) and diluted 1:3.2 with PBS containing 0.01% EDTA and 500 μL were run at a Superose 6 10/300 GL column (17-5172-01, GE Healthcare). Fractions of 6 drops (∼280 μL) were collected. Protein profiles were determined by the absorbance read at 280 nm and cholesterol determined in individual fractions. Pools corresponding to the VLDL, LDL, and HDL peaks were collected for WB analysis of apoM.
Conditioned cell medium from respectively the apical (diluted 1:3) and the basolateral compartment was concentrated x6 using spin columns (10 k, Umicon Ultra, Merck) and pooled (medium from 3 wells). 500 μL of each sample were run at a Superose 6 10/300 GL column (17-5172-01, GE Healthcare) and fractions of 3 drops (∼140 μL) were collected. Also, a human plasma sample was run as reference material, and cholesterol determined in the fractions.
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2

Solubilization and Fractionation of ATP13A2

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The membrane fractions of ATP13A2-transfected HEK293 cells and SH-SY5Y cells were solubilized in lysis buffer supplemented with 1.5% DDM and 0.3% CHS. Insoluble material was removed by ultracentrifugation at 366,000 × g, 30 min at 4 °C. The samples were then injected into a Superose 6 10/300 GL column (GE Life Sciences) connected to the AKTAexplorer 10 XT FPLC system (GE Healthcare) at 4 °C, equilibrated in a running buffer containing 50 mM Tris pH 7.5, 150 mM NaCl, 0.03% DDM, and 0.0015% CHS. Fractions of 1 mL were collected, precipitated with 10% trichloroacetic acid (TCA), and analyzed by Western blotting.
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3

Fractionation of Cyanobacterial Proteome

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Cells from vegetative cells or heterocysts were suspended in lysis buffer containing 20 mM Tris-Cl (pH = 7.5), 150 mM NaCl, 1% dodecylmaltoside, and Complete Protease Inhibitors EDTA-free (Roche), and sonicated on ice with an output of 135 W. The whole-cell lysate was centrifuged (10,000g at 4 °C for 10 min) to remove the cell debris. The protein concentration was determined using the Bradford assay. Then, 300 μg of protein mixtures of vegetative cells and heterocysts were individually fractionated by size-exclusion chromatography (SEC) using a Thermo Scientific Ultimate 3000 HPLC system. The lysates separated by SEC were injected into a Superose 6 10/300GL column (GE Life Sciences) equilibrated with PBS (pH = 7.2) and exposed to 120 min of isocratic elution. The total collection time was 55 min, as the first fraction was collected at 20 min and the last fraction finished at 75 min. In total, 55,300 μl fractions were collected, with a flow rate of 0.3 ml min−1.
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4

Membrane Protein Purification Protocol

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Endogenously tagged MBRL-mNG HeLa cells were expanded to 3x 15 cm dishes. Cells were harvested and resuspended in 60 mL of chilled PBS (Sigma-Aldrich) supplemented with a cOmplete protease inhibitor cocktail table (Roche), 1 mM EDTA, 1 mM PMSF (Roche), 1.5 μM pepstatin A (Sigma-Aldrich) and 20 μg/mL of DNase I (Roche). Lysis was performed by passing the cells 5 times through an Avestin EmulsiFlex-C5 at 12,000 PSI of backpressure. The lysate was centrifuged at 12,000 g for 20 min at 4°C and the supernatant collected. Membranes were pelleted by centrifugation at 100,000 g for 60 min at 4°C. Pelleted membranes were resuspended in 2 mL of resuspension buffer containing 100 mM Tris-HCl (pH 7.5), 150 mM NaCl, 1% DDM (Anatrace), 0.1% CHS (Anatrace), 1 mM EDTA, 1 mM PMSF and 1.5 μM pepstatin A. Membranes were solubilised for 2 h on a rotator at 4°C and insoluble material pelleted by centrifugation at 100,000 g for 45 min at 4°C. Solubilised material was applied to a 24 mL Superose 6 10/300 GL column (GE Healthcare Life Sciences) equilibrated with 2 column volumes of 50 mM Tris-HCl (pH 7.4), 150 mM NaCl, 0.03% DDM and 0.003% CHS. Elutions were fractioned by 1.0 mL and aliquots run by SDS-PAGE for western blotting.
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5

Characterization of Francisella Lipopolysaccharide Oligosaccharides

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SEC profiles of hydrolyzed OAgs extracted under different hydrolytic conditions from F. tularensis LPS were run on a Sephacryl S-300 HR column (GE Healthcare Life Sciences) at 0.5 mL⋅min−1 in PBS (pH 7.4). The average molecular weight was calculated with a dextran calibration curve (Sigma–Aldrich).
LMW, HMW, and VHMW OAgs extracted from F. tularensis LVS were run on a Superose 6 10/300 GL column (GE Healthcare Life Sciences) at 0.5 mL⋅min−1 in PBS (pH 7.4). The average molecular weight was calculated with a dextran calibration curve (Sigma–Aldrich).
SEC analysis was also used to characterize conjugates, comparing them with free OAg and free TT. All samples were eluted on two Superose 6 10/300 GL columns connected in series for a better separation of conjugate from free saccharide and protein. The mobile phase consisted of PBS (pH 7.4) at 0.5 mL⋅min−1. Void- and bed-volume calibrations were performed with λ-DNA (λ-DNA Molecular Weight Marker III, 0.12–21.2 Kbp; Roche) and sodium azide (NaN3; Merck), respectively. OAg peaks were detected by a dRI, while UV detection at 214 nm and 280 nm was used for free protein and conjugate. For Kd determination, the following equation was used: Kd = (Te − T0)/(Tt − T0), where Te is the elution time of the analyte, T0 is the elution time of the biggest fragment of λ-DNA, and Tt is the elution time of NaN3.
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6

Purification of PARP Proteins from E. coli

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HIS-tagged human PARP1, PARP2, GST-tagged human PARP10, and GST-tagged human PARP1 catalytic domain (GST-PARP1 CAT, aa. 662–1014) proteins were expressed in Escherichia coli BL21. Cells were grown in LB media and induced with 200 μM isopropyl 1-thio-β-d-galactopyranoside at 16 °C for 20 h. Proteins fused to GST were purified using glutathione-Sepharose beads according to the manufacturer’s protocols (GE Healthcare). HIS-tagged proteins were purified by Ni Sepharose 6 Fast Flow according to the manufacturer’s instruction (GE Healthcare). All recombinant proteins were further purified by passing through Superose 6 10/300 GL column (GE Healthcare) in 50 mM sodium phosphate buffer, pH 7.0, and 150 mM NaCl. Expression and purification of all recombinant proteins was analyzed by sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDS–PAGE) followed by Coomassie staining.
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7

Plasma Lipoprotein Profiling by FPLC

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Plasma lipoprotein profile was analyzed by FPLC as described 42 (link). Briefly, after 100 μl plasma was injected, lipoproteins were run at 0.5 ml/min in a buffer containing 0.15 M NaCl, 0.01 M Na2HPO4, 0.1 mM EDTA, pH 7.5, and separated on a Superose 6 10/300 GL column (GE Healthcare) by using BioLogic DuoFlow QuadTec 10 System (Bio-Rad, CA). 500 μl of sample per fraction was collected. Triglyceride or cholesterol levels in each fraction were determined using Infinity reagents (Thermo Fisher).
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8

High-resolution FPLC analysis of HDL and LPS conjugates

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HDL and 594-HDL-488-LPS conjugates were analyzed using high resolution FPLC on Superose 6 Increase 3.2/300 column and preparatively-purified on Superose 6 10/300 GL column (both from GE Healthcare Life Sciences). The FPLC setup consisted of Bio-Rad DuoFlow equipped with C96 autosampler with cooling, and BioFrac fraction collector (all from Bio-Rad). Lipoproteins were eluted at a flow rate of 0.05 mL/min in all analytical FPLC runs and 0.5 mL/min in all preparative runs. All lipoproteins were eluted isocratically using 10 mM phosphate buffer and 154 mM NaCl at pH 7.4. Fractions were collected by automatic fraction collector at 4°C (Bio-Frac) in 1.2 ml sized micro-titer tubes, followed by analysis of fluorescence and absorbance on the plate reader (Molecular Devices SpectraMax i3). FPLC chromatograms were then plotted as fluorescence intensity (or absorbance) against fraction number.
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9

Molecular Weight Determination of NarGH Complexes

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A Superose 6 10/300 GL column (GE Healthcare) was equilibrated with 10 CV of Tris-HCl 40 mM pH 7.6, 8% glycerol buffer using an ÄKTA purifier fast-protein liquid chromatography (FPLC) machine (GE Healthcare). Molecular weight calibration of the column was done by using the following standard markers as recommended by the manufacturer (Sigma-Aldrich): blue dextran (2000 kDa), thyroglobulin (660 kDa), apoferritin (443 kDa), β-amylase (200 kDa) and alcohol dehydrogenase (150 kda). Holo, apo and R108A NarGH complexes were injected at a flow rate of 0.3 ml/min, protein elution being monitored at 280 nm. Varying protein concentration did not influence the elution profile.
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10

Structural Analysis of CtLas1-Grc3 Complex

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Purified CtLas1-Grc3 complex (10 μM) was cross-linked with 50 μM bis(sulfosuccinimidyl)suberate (BS3; Sigma) in 20 mM Hepes pH 7.7, 200 mM NaCl, 5 mM MgCl2, 5% glycerol at room temperature for 5 minutes before quenching with 30 mM Tris pH 7.5 for 15 minutes at 4°C. Cross-linked reactions were resolved over a Superose 6 10/300 GL column (GE Healthcare) in 10 mM Tris pH 8.0, 200 mM NaCl, 5 mM MgCl2. CtLas1-Grc3 (0.15 mg/ml) was incubated in the absence (apo state) and presence (ATP-γS bound state) of 2 mM ATP-γS (Sigma) and 10 μM CT-ITS2-RNA (5′-UGUGUUGGGGdeoxyACCCGCGGCUGCUCG CGGGCCCUGAAAAGCA-3′) for 1 hour at 4°C. The CT-ITS2-RNA substrate represents part of the C. thermophilum ITS2 pre-rRNA sequence. Protein mixtures (3 μL) were applied to glow-discharged UltrAuFoil R1.2/1.3 300 mesh grids (Quantifoil) and vitrified after 5 sec blotting using the Automatic Plunge Freezer EM GP (Leica).
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