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PROTAA-RO

Roche

Protein A Agarose

>98% (HPLC and SDS-PAGE), suspension

Synonyme(s) :

agarose, protein a

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About This Item

Code UNSPSC :
41116133

Pureté

>98% (HPLC and SDS-PAGE)

Forme

suspension

Conditionnement

pkg of 15 mL (05015979001 [settled resin volume])
pkg of 2 mL (11719408001 [settled resin volume])
pkg of 5 mL (11134515001 [settled resin volume])

Fabricant/nom de marque

Roche

Capacité

>18 mg/mL binding capacity (human IgG (polyclonal))(the IgG is loaded at pH 7.4 and eluted with 200 mM glycine, pH 2.0)

Température de stockage

2-8°C

Description générale

The use of recombinant Protein A in the production of Protein A agarose has the advantage that it is entirely free from Staphylococcal enterotoxins that are known to be mitogenic, and are contaminants in Protein A isolated from S. aureus. The immobilization chemistry provides high IgG-binding capacity and leak-proof stability under a wide range of pH and buffer conditions. The gel can be used over 30 times, depending on the elution condition.

Protein A leakage: <18 ng Protein A/ml (ELISA)
Regeneration: the gel can be used approximately 30 times
Structure: recombinant Protein A (E. coli, Mr = 45,000) is covalently coupled to crosslinked 6% agarose beads: 3 mg Protein A (>98% pure, HPLC, SDS-Page)/1 ml gel
Protein A, immobilized.

Spécificité

Protein A is a cell wall protein, isolated from a specific bacterial strain, which has specific binding sites for certain classes of immunoglobulins from different species. Protein A binds to varying degrees IgM, IgA, IgD, and most subclasses of IgG.

Application

Purification of mouse monoclonal antibodies from ascites fluid or cell culture supernatants. Protein A or Protein G Agarose affinity matrix can be used to purify antibodies from crude cell extracts and for the immunoprecipitation or co-immunoprecipitation of proteins. It has also been used for photoactivatable-ribonucleoside-enhanced cross-linking immunoprecipitation (PAR-CLIP) analysis.

Composants

Preswollen gel, ready-to-use, 2 ml or 5 ml gel (settled gel volume) in buffer that contains 20% ethanol as a preservative, nonsterile.
Protein A content: 3 mg/ml pre-swollen gel

Qualité

Purity: >98% (HPLC, SDS-PAGE); entirely free from staphylococcal enterotoxins.

Autres remarques

For life science research only. Not for use in diagnostic procedures.

Pictogrammes

FlameExclamation mark

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Eye Irrit. 2 - Flam. Liq. 3

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

102.2 °F

Point d'éclair (°C)

39 °C


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David Llobet-Navas et al.
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Hongbo Yang et al.
Developmental biology, 404(2), 49-60 (2015-05-26)
Angiogenesis relies on specialized endothelial tip cells to extend toward guidance cues in order to direct growing blood vessels. Although many of the signaling pathways that control this directional endothelial sprouting are well known, the specific cellular mechanisms that mediate
R Travis Taylor et al.
Methods (San Diego, Calif.), 55(2), 166-171 (2011-08-23)
Ubiquitin (Ub) conjugation to a substrate protein is a widely used cellular mechanism for control of protein stability and function, modulation of signal transduction pathways and antiviral responses. Identification and characterization of ubiquitinated viral proteins is an important step in
Ji-An Pan et al.
Molecular and cellular biology, 31(15), 3158-3170 (2011-06-02)
The accumulation of damaged or misfolded proteins, if unresolved, can lead to a detrimental consequence within cells termed proteotoxicity. Since cancerous cells often display elevated protein synthesis and by-product disposal, inhibition of the protein degradation pathways is an emerging approach
Daniel J Ryder et al.
PloS one, 10(8), e0136247-e0136247 (2015-08-25)
Skeletal muscle atrophy is a consequence of several physiological and pathophysiological conditions including muscle disuse, aging and diseases such as cancer and heart failure. In each of these conditions, the predominant mechanism contributing to the loss of skeletal muscle mass

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