Background: The G beta5 protein is a G protein subunit present predominantly in the central nervous system. This protein appears to be expressed in two forms, one found in the brain (39 kDa) and one found in the retina (44 kDa). It has also been found that Gb5 associates tightly with RGS7, a member of the superfamily of negative regulators of G protein signaling. These complexes have been localized to most regions of the brain, whereas G 1-4 exhibit no observable colocalization with RGS7, despite their widespread codistribution throughout similar neuronal networks.
Positive Control: Plasma membranes from rat cerebrum.
Purification Method: Ammonium Sulfate Precipitation.
Source: Rabbits were immunized with a unique peptide sequence derived from the D1 blade of the G 5 protein.
References: 1. Liang, J.J., et al. 'RGS7 complex formation and colocalization with the Gbeta5 subunit in the adult rat and influence on Gbeta5gamma2-mediated PLCbeta signaling.' J. Neurosci. Res. 2000: 60, 58-64
2. Cabrera, J.L., et al. 'Identification of the Gbeta5-RGS7 protein complex in the retina.' Biochem Biophys Res Commun. 1998: 249, 898-902
3. Watson, A.J., et al. 'A novel form of the G protein beta subunit Gbeta5 is specifically expressed in the vertebrate retina.' J. Biol. Chem. 1996: 271, 28154-28160.
UniProt: O14775.
Caution: This product is intended FOR RESEARCH USE ONLY, and FOR TESTS IN VITRO, not for use in diagnostic or therapeutic procedures involving humans or animals.
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