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ProteoSure™ Recombinant Protein A: A Superior Solution

ProteoSure™ Recombinant Protein A is a highly advanced purification tool designed for the extraction of polyclonal or monoclonal IgG antibodies. This innovative protein A, derived from Staphylococcus aureus, boasts an exceptional affinity for a wide range of human and mouse IgG subclasses, including IgG1, IgG2, IgG4, IgG2a, IgG2b, and IgG3. With its robust binding capacity, it effectively isolates antibodies from various species, such as cow, guinea pig, hamster, house, pig, and rabbit. The protein A is also adaptable, allowing for coupling to solid separation media like agarose, which enhances its purification capabilities.

Technical Specifications and Stability

ProteoSure™ Recombinant Protein A is a recombinant variant, engineered for superior performance. It contains IgG-binding domains and has had non-specific binding sequences removed, resulting in a purer and more efficient product. This variant is also engineered for stability in extreme alkali conditions, with the ability to function effectively in up to 0.5 M NaOH. Its molecular weight is 25 kDa, and it is presented as a lyophilized powder. The protein A maintains pH stability in the range of 1-13, making it versatile for various applications. It is also highly pure, with no triton contaminant, no DNA or RNA detected, and no microbial content in bioburden tests.

Applications and Benefits

ProteoSure™ Recombinant Protein A is an indispensable tool in laboratory research and antibody purification processes. Its high affinity and stability make it ideal for use in Western blot, ELISA, and immunohistochemical tests, where it can be coupled to various molecules for detection purposes. This product is particularly beneficial for cleaning-in-place (CIP) applications, providing a reliable solution for researchers and scientists seeking to purify and detect antibodies with precision. With its NSF ISO9001:2008 certification, ProteoSure™ Recombinant Protein A is a trusted choice for those who demand quality and reliability in their research tools.