Gamma-aminobutyric acid B receptor, 1 (GABAB1), is a G-protein coupled receptor subunit encoded by the GABBR1 gene.
GABAB1 is a receptor for Gamma-aminobutyric acid. Upon binding, GABAB1 will produce a slow and prolonged inhibitory effect. GABAB1 is one part of a heterodimer, which is the GABAB receptor, consisting of it and the related GABAB2 protein. The GABA(B) receptor 1 gene is mapped to chromosome 6p21.3 within the HLA class I region close to the HLA-F gene. Susceptibility loci for multiple sclerosis, epilepsy, and schizophrenia have also been mapped in this region. Alternative splicing of this gene generates 4 transcript variants.[5]
GABBR1 has been shown to interact with ATF4[6] and GABBR2.[7]
PDB gallery
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1srz: Solution structure of the second complement control protein (CCP) module of the GABA(B)R1a receptor, Pro-119 trans conformer
1ss2: Solution structure of the second complement control protein (CCP) module of the GABA(B)R1a receptor, Pro-119 cis conformer
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This article incorporates text from the United States National Library of Medicine, which is in the public domain.
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