• USA Home
  • M7318 - Anti-MBD2a,b (RA-18) antibody produced in rabbit

M7318 Sigma-Aldrich

Anti-MBD2a,b (RA-18) antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution



Related Categories Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies for Epigenetics, Antibodies for Epigenetics and Nuclear Signaling,
conjugate   unconjugated
clone   polyclonal
biological source   rabbit
application(s)   indirect immunofluorescence: 6-8 μg/mL using NIH3T3 cells
  microarray: suitable
  western blot: 0.5-1.0 μg/mL using nuclear extracts of HeLa cells
species reactivity   human, mouse
form   buffered aqueous solution
shipped in   dry ice
storage temp.   −20°C
antibody form   affinity isolated antibody
antibody product type   primary antibodies
UniProt accession no.   Q9UBB5
Gene Information   human ... MBD2(8932)
mouse ... Mbd2(17191)


General description

Anti-MBD2a,b (RA-18) is developed in rabbit using as immunogen a synthetic peptide corresponding human MBD2a conjugated to KLH. MBD2 consists of two isoforms, MBD2a and MBD2b, which are generated from a single gene; MBD2a is a 414 amino acids protein, whereas MBD2b lacks the 152 amino acids N-terminal extension. MBD2a is a component of the MeCP1 corepressor complex, which is a 400-800 kDa complex containing as components MBD2, Mi-2, MTA2, MBD3, and HDAC1/2.

The gene encoding methyl-CpG binding domain protein 2 (MBD2a) is localized on chromosome 18.


The antibody recognizes MBD2a (~45 kDa) and MBD2b (~29 kDa). In immunoblotting, an unidentified band at ~43 kDa may also be detected.


synthetic peptide corresponding to amino acids 294-411 of human MBD2a conjugated to KLH via an N-terminal added lysine residue. This sequence is conserved in MBD2a and MBD2b of human origin, and is not found in MBD3.


Anti-MBD2a,b (RA-18) antibody produced in rabbit has been used:
• for chromatin immunoprecipitation and western blotting
• immunofluorescence
• immunoblotting

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Biochem/physiol Actions

MBD2 binds to methylated DNA in vitro or in vivo, suggesting that MBD2 targets the MeCP1 complex to methylated DNA. MBD2a interacts with RNA Helicase A (RHA). MBD2 protein appear to protect against some cancers.

Methyl-CpG binding domain protein 2 (MBD2a) acts as a repressor during transcription.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis


Milli-Q® Water Purification Solutions
Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
Keywords: Affinity chromatography, Centrifugation, Chromatography, Digestions, Direct immunofluorescence, Gene expression, High performance liquid chromatography, Immunofluorescence, Ion Exchange, Microscopy, Precipitation, Purification, Rheumatology, Scanning electron microscopy


Western Blot Protocol | Immunoblotting Protocol

Western Blotting refers to the electrophoretic transfer of proteins from sodium dodecyl sulfate polyacrylamide gels to sheets of PVDF or nitrocellullose membrane, followed by immunodetection of prote...
Keywords: AGE, Buffers, Cell disruption, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

Related Content

Antibody Explorer | Buy Primary Antibodies & Secondary Antibodies

Primary, Secondary and Recombinant Monoclonal Antibodies Providing highly cited primary and secondary antibodies, we have you covered for your ELISA, western blot, immunohistochemistry or other assay...
Keywords: Alzheimer Disease, Cancer, Chromatin immunoprecipitation, Diagnostic, Enzyme-linked immunosorbent assay, Flow cytometry, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Neuroscience, Western blot

Peer-Reviewed Papers


Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?