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R129 Sigma

Monoclonal Anti-Ryanodine Receptor antibody produced in mouse

clone 34C, ascites fluid

Properties

Related Categories Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies to Calcium Channels, Antibodies to Ion Channels,
species reactivity   human, sheep, rat, mouse, primate, chicken, canine, rabbit, fish, mink, frog, bovine
application(s)   direct immunofluorescence: suitable
  immunohistochemistry (frozen sections): 1:1,000
  immunoprecipitation: suitable
  western blot: 1:5,000
clone   34C, monoclonal
antibody form   ascites fluid
isotype   IgG1
mol wt   antigen mol wt 565 kDa (non-mammalian vertebrates, doublet at 565 kDa representing the α and β isoforms)
shipped in   dry ice
storage temp.   −20°C
Gene Information   human ... RYR1(6261), RYR2(6262)
mouse ... Ryr1(20190), Ryr2(20191)
rat ... Ryr1(114207), Ryr2(84025)
biological source   mouse
conjugate   unconjugated

Description

Immunogen

partially purified chicken pectoral muscle ryanodine receptors (RyR)

General description

The antibody reacts strongly with RyR-1 (expressed predominantly in skeletal muscle and areas of the brain; also known as the α isoform) and RyR-2 (expressed predominantly in the heart muscle, but also found in stomach, endothelial cells and diffuse areas of the brain; also known as the β isoform). In immunohistochemistry, the antibody stains are consistent with the endoplasmic reticulum localization of the receptor in rat hippocampus.

The ryanodine receptor (RyR) is the channel responsible for the release of Ca2+ from the sarcoplasmic reticulum (SR) in muscle cells and it also plays a role in Ca2+ regulation in non-muscle cells. The RyR exists as a homotetramer and is predicted to have a short cytoplasmic C-terminus and 4-10 transmembrane domains; the remainder of the protein, termed the "foot" region is located in the cytoplasm between the T-tubule and the SR. The mammalian RyR is the product of three different genes: RyR-1, which is expressed predominantly in skeletal muscle and areas of the brain, RyR-2, which is expressed predominantly in the heart muscle but also found in the stomach, endothelial cells and diffuse areas of the brain, and RyR-3 which is found in smooth muscle and the brain (striatum, thalamus and hippocampus).

Physical form

Purified IgG1 antibody containing 0.05% sodium azide.

Application

Mouse monoclonal clone 34C anti-Ryanodine receptor is used to tag ryanodine receptors for detection and quantitation by immunocytochemical and immunohistochemical (IHC) techniques. It is used as a probe to determine the presence and roles of ryanodine receptor in studies of calcium flux from the sarcoplasmic reticulum of muscle cells.

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