Gene Gene information from NCBI Gene database.
Entrez ID 9568
Gene name Gamma-aminobutyric acid type B receptor subunit 2
Gene symbol GABBR2
Synonyms (NCBI Gene)
DEE59EIEE59GABABR2GPR51GPRC3BHG20HRIHFB2099NDPLHS
Chromosome 9
Chromosome location 9q22.33
Summary The multi-pass membrane protein encoded by this gene belongs to the G-protein coupled receptor 3 family and GABA-B receptor subfamily. The GABA-B receptors inhibit neuronal activity through G protein-coupled second-messenger systems, which regulate the re
SNPs SNP information provided by dbSNP.
8
SNP ID Visualize variation Clinical significance Consequence
rs2184026 C>G,T Risk-factor Genic upstream transcript variant, intron variant
rs2491397 C>T Risk-factor Intron variant
rs3750344 T>C,G Risk-factor Coding sequence variant, genic upstream transcript variant, synonymous variant
rs922847767 C>T Pathogenic Missense variant, coding sequence variant
rs1554689313 C>T Pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
153
miRTarBase ID miRNA Experiments Reference
MIRT022745 hsa-miR-124-3p Microarray 18668037
MIRT613027 hsa-miR-129-5p HITS-CLIP 23824327
MIRT613026 hsa-miR-450b-5p HITS-CLIP 23824327
MIRT613025 hsa-miR-507 HITS-CLIP 23824327
MIRT613024 hsa-miR-557 HITS-CLIP 23824327
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
31
GO ID Ontology Definition Evidence Reference
GO:0004888 Function Transmembrane signaling receptor activity IBA
GO:0004930 Function G protein-coupled receptor activity IEA
GO:0004965 Function G protein-coupled GABA receptor activity IDA 9872316
GO:0004965 Function G protein-coupled GABA receptor activity IEA
GO:0004965 Function G protein-coupled GABA receptor activity TAS 10328880
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
607340 4507 ENSG00000136928
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
O75899
Protein name Gamma-aminobutyric acid type B receptor subunit 2 (GABA-B receptor 2) (GABA-B-R2) (GABA-BR2) (GABABR2) (Gb2) (G-protein coupled receptor 51) (HG20)
Protein function Component of a heterodimeric G-protein coupled receptor for GABA, formed by GABBR1 and GABBR2 (PubMed:15617512, PubMed:18165688, PubMed:22660477, PubMed:24305054, PubMed:9872316, PubMed:9872744). Within the heterodimeric GABA receptor, only GABB
PDB 4F11 , 4F12 , 4MQE , 4MQF , 4MR7 , 4MR8 , 4MR9 , 4MRM , 4MS1 , 4MS3 , 4MS4 , 4PAS , 6M8R , 6OCP , 6UO8 , 6UO9 , 6UOA , 6VJM , 6W2X , 6WIV , 7C7Q , 7C7S , 7CA3 , 7CA5 , 7CUM , 7EB2
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01094 ANF_receptor 76 435 Receptor family ligand binding region Family
PF00003 7tm_3 493 746 7 transmembrane sweet-taste receptor of 3 GCPR Family
PF18455 GBR2_CC 779 817 Gamma-aminobutyric acid type B receptor subunit 2 coiled-coil domain Coiled-coil
Tissue specificity TISSUE SPECIFICITY: Highly expressed in brain, especially in cerebral cortex, thalamus, hippocampus, frontal, occipital and temporal lobe, occipital pole and cerebellum, followed by corpus callosum, caudate nucleus, spinal cord, amygdala and medulla (PubM
Sequence
MASPRSSGQPGPPPPPPPPPARLLLLLLLPLLLPLAPGAWGWARGAPRPPPSSPPLSIMG
LMPLTKEVAKGSIGRGVLPAVELAIEQIRNESLLRPYFLDLRLYDTECDNAKGLKAFYDA
IKYGPNHLMVFGGVCPSVTSIIAESLQGWNLVQLSFAATTPVLADKKKYPYFFRTVPSDN
AVNPAILKLLKHYQWKRVGTLTQDVQRFSEVRNDLTGVLYGEDIEISDTESFSNDPCTSV
KKLKGNDVRIILGQFDQNMAAKVFCCAYEENMYGSKYQWIIPGWYEPSWWEQVHTEANSS
RCLRKNLLAAMEGYIGVDFEPLSSKQIKTISGKTPQQYEREYNNKRSGVGPSKFHGYAYD
GIWVIAKTLQRAMETLHASSRHQRIQDFNYTDHTLGRIILNAMNETNFFGVTGQVVFRNG
ERMGTIKFTQFQDSR
EVKVGEYNAVADTLEIINDTIRFQGSEPPKDKTIILEQLRKISLP
LYSILSALTILGMIMASAFLFFNIKNRNQKLIKMSSPYMNNLIILGGMLSYASIFLFGLD
GSFVSEKTFETLCTVRTWILTVGYTTAFGAMFAKTWRVHAIFKNVKMKKKIIKDQKLLVI
VGGMLLIDLCILICWQAVDPLRRTVEKYSMEPDPAGRDISIRPLLEHCENTHMTIWLGIV
YAYKGLLMLFGCFLAWETRNVSIPALNDSKYIGMSVYNVGIMCIIGAAVSFLTRDQPNVQ
FCIVALVIIFCSTITLCLVFVPKLIT
LRTNPDAATQNRRFQFTQNQKKEDSKTSTSVTSV
NQASTSRLEGLQSENHRLRMKITELDKDLEEVTMQLQ
DTPEKTTYIKQNHYQELNDILNL
GNFTESTDGGKAILKNHLDQNPQLQWNTTEPSRTCKDPIEDINSPEHIQRRLSLQLPILH
HAYLPSIGGVDASCVSPCVSPTASPRHRHVPPSFRVMVSGL
Sequence length 941
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  cAMP signaling pathway
Neuroactive ligand-receptor interaction
GABAergic synapse
Taste transduction
Estrogen signaling pathway
GnRH secretion
Morphine addiction
  Activation of G protein gated Potassium channels
G alpha (i) signalling events
Class C/3 (Metabotropic glutamate/pheromone receptors)
GABA B receptor activation
Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
881
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Developmental and epileptic encephalopathy, 59 Likely pathogenic; Pathogenic rs1554689319, rs2491207996, rs1564157745, rs1554689320, rs1554689315, rs1554689313 RCV002254373
RCV003128222
RCV003153163
RCV000590835
RCV000590833
RCV000590834
RCV001729645
Epileptic encephalopathy Pathogenic; Likely pathogenic rs2131462561, rs1485329117, rs1554689320, rs1178244073 RCV001386468
RCV002300005
RCV003591755
RCV001061509
Intellectual disability Likely pathogenic rs1830549152 RCV001260768
Neurodevelopmental disorder with poor language and loss of hand skills Likely pathogenic; Pathogenic rs1554689319, rs1449813941, rs1554689313, rs1827283362 RCV002254373
RCV002289255
RCV000590832
RCV003389254
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
- no classification for the single variant rs1435252, rs3780422, rs2779562, rs3750344, rs2491397, rs2184026 -
Acute myeloid leukemia Benign rs754203594 RCV005901731
Autism spectrum disorder Uncertain significance rs2491174691 RCV003127324
GABBR2-related disorder Likely benign; Benign; Uncertain significance; Conflicting classifications of pathogenicity rs568256004, rs539015155, rs756618371, rs560132993, rs532040816, rs138346207, rs370717972, rs1826721917, rs1287904056, rs2491384090, rs761164200, rs922847767, rs201116009, rs144313756, rs780232385
View all (5 more)
RCV003946056
RCV003908664
RCV003946188
RCV003948432
RCV003956242
RCV003968423
RCV003956318
RCV003401953
RCV004753581
RCV004731508
RCV004753733
RCV003392345
RCV004752937
RCV003925630
RCV003905717
RCV003937917
RCV003980233
RCV003945723
RCV003970812
RCV003970457
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Adenoma Stimulate 19381877
Agnosia Associate 38482990
Alzheimer Disease Associate 33218044, 36776048
Anxiety Associate 35301427
Arrhythmogenic Right Ventricular Dysplasia Associate 30664203
Autism Spectrum Disorder Associate 32807774, 34069769
Autistic Disorder Associate 19002745
Bipolar Disorder Inhibit 21303731, 24022508
Bipolar Disorder Associate 38482990
Brain Diseases Associate 36103875