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  • M5691 - Anti-MAGI-1 antibody produced in rabbit

M5691 Sigma-Aldrich

Anti-MAGI-1 antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution



Related Categories Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies to Adhesion Molecules and Related Proteins, Antibodies to Cell and Organelle Proteins,
conjugate   unconjugated
clone   polyclonal
biological source   rabbit
application(s)   microarray: suitable
  western blot: 1:500 using rat brain extracts
species reactivity   rat
form   buffered aqueous solution
shipped in   dry ice
storage temp.   −20°C
antibody form   IgG fraction of antiserum
antibody product type   primary antibodies
UniProt accession no.   Q96QZ7
Gene Information   human ... MAGI1(9223)
mouse ... Magi1(14924)
rat ... Cnksr3(308113)


General description

The MAGUK (Membrane Associated Guanylate kinase) family of proteins localize to regions of cell-cell contact, such as tight junctions in epithelial cells and synaptic junctions in neurons. In epithelia, membrane associated guanylate kinase, WW And PDZ domain containing 1 (MAGI-1) is localized at tight junctions and is expressed in three isoforms (MAGI-1a, MAGI-1b, and MAGI-1c). MAGI-1 was first identified in mouse as a protein interacting with K-RasB (Ras-like protein rasB).


Recognizes rat MAGI-1 by immunoblotting (approx. 170, 130, and 120 kDa) and does not cross react with MAGI-2 or MAGI-3.


synthetic peptide corresponding to amino acids 282-296 of MAGI-1 with a carboxy terminal added cysteine residue conjugated to maleimide-activated KLH. The sequence is conserved in human and mouse.


Anti-MAGI-1 antibody produced in rabbit has been used in
• immunoblotting
• western blotting
• immunostaining

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

Membrane associated guanylate kinase, WW And PDZ domain containing 1 (MAGI-1) interacts with β-catenin. Neuroepithelial cell-transforming gene 1(nNET1) and actin binding proteins act as binding partners of MAGI-1. Interestingly, MAGI-1c is present in nucleus, suggesting that MAGI-1 may participate in the transmission of regulatory signals from the cell surface to the nucleus.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles


Antibodies to MAGI-1, MAGI-2, MAGI-3/SLIPR

The MAGUK (Membrane Associated Guanylate kinase) family of proteins, whose prototypic member is PS95, is characterized by the presence of multi-PDZ and SH3 domains, and a single region of homology to...
Keywords: Adhesion, Western blot

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, Detection methods, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

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