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Cfhenwps

Manufactured by Proteintech

The CFHENWPS is a laboratory equipment product. It serves a core function, but a detailed description while maintaining an unbiased and factual approach is not available.

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4 protocols using cfhenwps

1

CD59 Cross-Linking Assay Protocol

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Peptide F (2 μg) (CFHENWPS, Proteintech) and control peptide (2 μg) (CPLAYGTW, Proteintech) were incubated separately with 1 μg of recombinant CD59 (R&D Systems) in 21 μl of PBS on a slow shaker overnight at 4°C. The cross-linking reagent 3,3′-dithiobis[sufosuccinimidylpropionate] (DTSSP) (Thermo Scientific) was added to a final concentration of 2 mM. After rotation at room temperature for 1 hour, the samples were diluted in 2× sample buffer (Bio-Rad) with β-mercapto-ethanol and loaded on 15% SDS-PAGE.
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2

Peptide-Protein Interaction Analysis

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HUVEC whole-cell lysate (100 μg was incubated with 30 μg of peptide F (CFHENWPS, Proteintech) at 4°C for 2 hours. The mixture was diluted with 2× native sample buffer (Bio-Rad) and loaded on a 10% native gel in running buffer without SDS [NativePAGE Running Buffer (20×), Thermo Scientific]. The gel was transferred to a nitrocellulose membrane and probed with antibodies directed against peptide F (rabbit polyclonal antibody, 1:500; Proteintech). A duplicate gel was stained with GelCode Blue Stain Reagent (Thermo Scientific). The corresponding band of interest was cut and sent to Columbia University Protein Chemistry Core Facility for mass spectrometry.
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3

CD59 Cross-Linking Assay Protocol

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Peptide F (2 μg) (CFHENWPS, Proteintech) and control peptide (2 μg) (CPLAYGTW, Proteintech) were incubated separately with 1 μg of recombinant CD59 (R&D Systems) in 21 μl of PBS on a slow shaker overnight at 4°C. The cross-linking reagent 3,3′-dithiobis[sufosuccinimidylpropionate] (DTSSP) (Thermo Scientific) was added to a final concentration of 2 mM. After rotation at room temperature for 1 hour, the samples were diluted in 2× sample buffer (Bio-Rad) with β-mercapto-ethanol and loaded on 15% SDS-PAGE.
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4

Peptide-Protein Interaction Analysis

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HUVEC whole-cell lysate (100 μg was incubated with 30 μg of peptide F (CFHENWPS, Proteintech) at 4°C for 2 hours. The mixture was diluted with 2× native sample buffer (Bio-Rad) and loaded on a 10% native gel in running buffer without SDS [NativePAGE Running Buffer (20×), Thermo Scientific]. The gel was transferred to a nitrocellulose membrane and probed with antibodies directed against peptide F (rabbit polyclonal antibody, 1:500; Proteintech). A duplicate gel was stained with GelCode Blue Stain Reagent (Thermo Scientific). The corresponding band of interest was cut and sent to Columbia University Protein Chemistry Core Facility for mass spectrometry.
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