The CpG MethylQuest protein is an effective and versatile tool for the study of CpG methylation in DNA
This purified recombinant protein contains the methyl binding domain (MBD) of the mouse MBD2b protein fused to a glutathione-S-transferase protein (GST) from S japonicum
These two protein domains are separated by a linker containing a thrombin cleavage site
This unbound protein has several unique properties that can be incorporated into your own customized assays for the study of DNA methylation
Competitive elution of the GST-MBD protein or GST-MBD-methylated DNA complexes with glutathione
Elution of intact complexes by thrombin digestion Immobilization of protein DNA complexes or GST-MBD protein to other solid surfaces such as microtiter plates coated with GST antibodies
Visualization of complexes using labeled GST antibodies or GST antibodies and labeled secondary antibodies
Surface cysteine groups on the GST protein can be chemically modified to allow the addition of other reporters, affinity tags, or functional groups
To simplify the isolation of methylated DNA, this protein can also be obtained pre-bound to magnetic beadsas a component of the CpG MethylQuest DNA Isolation Kit (17-10035).