Radiolabeling permits the detection of trace amounts of zwitterionic detergent remaining in extracted hydrophobic or membrane proteins. To develop a sensitive and specific assay for its presence, the commonly used zwitterionic membrane protein detergent 3-[(3-cholamidopropyl)dimethylammonio]-1-propa
The synthesis of a photolabile detergent and its use in the isolation and characterization of protein
โ Scribed by W.W. Epstein; D.S. Jones; E. Bruenger; H.C. Rilling
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 696 KB
- Volume
- 119
- Category
- Article
- ISSN
- 0003-2697
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โฆ Synopsis
A new ionic detergent sodium 4-( 3,3-dimethyl-1 -oxotridecyl)benzenesulfonate similar to sodium dodecyl sulfate has been synthesized which is photodegradable to sodium p-acetylbenzenesulfonate and a simple olefin mixture upon irradiation in aqueous solution with light 300 nm and above in wavelength. This photodegradable detergent can be used to solubilize many proteins and provide information as to the molecular weight and subunit composition of proteins by electrophoresis. The removal of this detergent by photolysis results in no apparent damage to protein.
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Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF) has in the past decade found routine use in the biological sciences. With this use has evolved several mass spectrometric-based methods directed at the intricate investigation of biomolecular structure and funct