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GNAT1 Rabbit anti-Bovine, Ovine, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA1724

Catalog No. PA1724


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Description

Description

PA1-724 detects rod transducin alpha (Tr alpha) from bovine outer rod segments and sheep retinal extract. PA1-724 has been successfully used in Western blot procedures. By Western blot, this antibody detects an ~38 kDa protein representing Tr alpha from sheep retinal extract. The PA1-724 immunizing peptide corresponds to amino acid residues 18-31 from human Tr alpha. This peptide (Cat. No. PEP-153) is available for use in neutralization and control experiments.

Vision involves the conversion of light into electrochemical signals that are processed by the retina and subsequently sent to and interpreted by the brain. The process of converting light into an electrochemical signal begins when the membrane-bound protein, rhodopsin, absorbs light within the retina. Photoexcitation of rhodopsin causes the cytoplasmic surface of the protein to become catalytically active. In the active state, rhodopsin activates transducin, a GTP binding protein. Once activated, transducin promotes the hydrolysis of cGMP by phosphodiesterase (PDE). The decrease of intracellular cGMP concentration causes the ion channels within the outer segment of the rod or cone to close, thus causing membrane hyperpolarization and, eventually, signal transmission. Rhodopsin activity is believed to be shut off by phosphorylation followed by binding of the soluble protein, arrestin.   Transducin, once activated by rhodopsin, promotes the hydrolysis of cGMP by PDE. The subunit composition of transducin differs between different photoreceptor cells. Rod transducin consists of rod transducin alpha (Tr alpha), T beta, and T gamma. Cone transducin is composed of cone transducin alpha (Tc alpha), T beta and T gamma. Differential transducin subunit composition of transducin is believed to be responsible for the different light sensitivities between photoreceptive cells.
Specifications

Specifications

GNAT1
Polyclonal
Unconjugated
GNAT1
Liquid
GNAT1
Synthetic Peptide: K(18) L K E D A E K D A R T V K(31) C
Antigen affinity chromatography
RUO
Antibody
Polyclonal
Bovine, Ovine
Western Blot
1 mg/mL
PBS with 1mg/mL BSA and 0.05% sodium azide
P04695
Tr alpha
Rabbit
IgG
100 μg
-20° C, Avoid Freeze/Thaw Cycles
Primary
101121976, 281794
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