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HighlightsIntroduction of GABRB1
Gamma-aminobutyric acid receptor subunit beta-1 (GABRB1), also known as GABA(B) receptor subunit beta-1, is a protein that in humans is encoded by the GABRB1 gene. It is a member of the GABAB receptors which mediate the metabotropic signaling of the inhibitory neurotransmitter. During the past years, functions and applications of GABRB1 have been widely studied.
| Basic Information of GABRB1 | |
| Protein Name | Gamma-aminobutyric acid receptor subunit beta-1 |
| Gene Name | GABRB1 |
| Aliases | GABA(B) receptor subunit beta-1 |
| Organism | Homo sapiens (Human) |
| UniProt ID | P18505 |
| Transmembrane Times | 4 |
| Length (aa) | 474 |
| Sequence | MWTVQNRESLGLLSFPVMITMVCCAHSTNEPSNMSYVKETVDRLLKGYDIRLRPDFGGPPVDVGMRIDVASIDMVSEVNMDYTLTMYFQQSWKDKRLSYSGIPLNLTLDNRVADQLWVPDTYFLNDKKSFVHGVTVKNRMIRLHPDGTVLYGLRITTTAACMMDLRRYPLDEQNCTLEIESYGYTTDDIEFYWNGGEGAVTGVNKIELPQFSIVDYKMVSKKVEFTTGAYPRLSLSFRLKRNIGYFILQTYMPSTLITILSWVSFWINYDASAARVALGITTVLTMTTISTHLRETLPKIPYVKAIDIYLMGCFVFVFLALLEYAFVNYIFFGKGPQKKGASKQDQSANEKNKLEMNKVQVDAHGNILLSTLEIRNETSGSEVLTSVSDPKATMYSYDSASIQYRKPLSSREAYGRALDRHGVPSKGRIRRRASQLKVKIPDLTDVNSIDKWSRMFFPITFSLFNVVYWLYYVH |
Function of GABRB1 Membrane Protein
GABAB receptors are multimeric assemblies of the GABAB1 and GABAB2 receptor subunits and K+ channel tetramerization-domain (KCTD) auxiliary proteins. To date, two predominant isoforms of the GABAB1 subunit in neurons have been identified, namely GABAB1a and GABAB1b, both of which heterodimerize with the GABAB2 subunit. The GABAB1a subunit isoform differs from the GABAB1b isoform by the presence of two sushi domains at the N-terminus which convey trafficking to distinct synaptic sites. Specifically, receptors assemble with the GABAB1a and GABAB1b subunits predominantly localized to presynaptic and postsynaptic sites, respectively. A series of studies have shown that GABAB receptors are associated with the modulation of dopaminergic neurotransmission and reward.
Fig.1 Structural organization of GABAB receptors and effector systems. (Benke, 2015)
Application GABRB1 of Membrane Protein in Literature
This article suggests that β1-containing GABAA receptors may play a role in excitability of brain regions important in controlling reward-related behavior, which may contribute to susceptibility to addictive behavior.
This article aims to investigate the responses of GABAB1 subunit isoform null mice to cocaine in acute locomotor activity and conditioned place preference (CPP) paradigms. It indicates that GABAB1a and GABAB1b isoforms differentially regulate behavioral responses to cocaine, with deletion of GABAB1a enhancing cocaine-induced locomotor activity and deletion of GABAB1b protecting from cocaine-induced sensitization.
This article aims to verify the associations between GABRB1 variants, thalamus volume, and intelligence. It suggests that the GABRB1 gene is involved the thalamus structure and their interactive effects on intelligence.
This article is conducted to investigate whether the GABAB receptor subunits, GABAB1 and GABAB2, are co-expressed in cultured human RPE cells, and then determine if the GABAB receptor similarly regulates the [Ca(2+)] I of RPE cells and if phospholipase C is involved. It suggests that GABAB1 and GABAB2 are co-expressed in cell cultures of human RPE. Furthermore, GABAB receptors in RPE could regulate the [Ca(2+)] I via a Gi/o-protein and phospholipase C pathway.
GABRB1 Preparation Options
To promote the development of global customers’ projects, we have developed an advanced Magic™ membrane protein production platform which enables us to offer high-quality membrane protein products. Besides, aided by our versatile Magic™ anti-membrane protein antibody discovery platform, we also provide customized anti-GABRB1 antibody development services.
With the help of a wealth of experience and professional scientists, Creative Biolabs is committed to providing a full range of membrane protein preparation services for worldwide customers. In addition to GABRB1 membrane protein products, we also provide other membrane protein preparation services to meet every client’s specific requirements. To learn more detailed information, please feel free to contact us for more information.
Reference
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