ID GBRG3_HUMAN Reviewed; 467 AA. AC Q99928; G3V594; Q9HD46; Q9NYT2; DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot. DT 04-MAY-2001, sequence version 2. DT 24-JAN-2024, entry version 197. DE RecName: Full=Gamma-aminobutyric acid receptor subunit gamma-3; DE AltName: Full=GABA(A) receptor subunit gamma-3; DE Flags: Precursor; GN Name=GABRG3; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; OC Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RC TISSUE=Fetal brain; RX PubMed=8719414; DOI=10.1016/0922-4106(95)90070-5; RA Hadingham K.L., Wafford K.A., Thompson S.A., Palmer K.J., Whiting P.J.; RT "Expression and pharmacology of human GABAA receptors containing gamma 3 RT subunits."; RL Eur. J. Pharmacol. 291:301-309(1995). RN [2] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA]. RA Han M.K., Chen Y.-H., Nurmi E.L., Sutcliffe J.S.; RT "Gene structure and organization of the GABAA receptor gamma 3 subunit RT (GABRG3) gene."; RL Submitted (MAY-2000) to the EMBL/GenBank/DDBJ databases. RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=16572171; DOI=10.1038/nature04601; RA Zody M.C., Garber M., Sharpe T., Young S.K., Rowen L., O'Neill K., RA Whittaker C.A., Kamal M., Chang J.L., Cuomo C.A., Dewar K., RA FitzGerald M.G., Kodira C.D., Madan A., Qin S., Yang X., Abbasi N., RA Abouelleil A., Arachchi H.M., Baradarani L., Birditt B., Bloom S., RA Bloom T., Borowsky M.L., Burke J., Butler J., Cook A., DeArellano K., RA DeCaprio D., Dorris L. III, Dors M., Eichler E.E., Engels R., Fahey J., RA Fleetwood P., Friedman C., Gearin G., Hall J.L., Hensley G., Johnson E., RA Jones C., Kamat A., Kaur A., Locke D.P., Madan A., Munson G., Jaffe D.B., RA Lui A., Macdonald P., Mauceli E., Naylor J.W., Nesbitt R., Nicol R., RA O'Leary S.B., Ratcliffe A., Rounsley S., She X., Sneddon K.M.B., RA Stewart S., Sougnez C., Stone S.M., Topham K., Vincent D., Wang S., RA Zimmer A.R., Birren B.W., Hood L., Lander E.S., Nusbaum C.; RT "Analysis of the DNA sequence and duplication history of human chromosome RT 15."; RL Nature 440:671-675(2006). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RA Mural R.J., Istrail S., Sutton G., Florea L., Halpern A.L., Mobarry C.M., RA Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., RA Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., RA Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H., RA Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K., RA Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D., RA Hunkapiller M.W., Myers E.W., Venter J.C.; RL Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases. RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2). RX PubMed=15489334; DOI=10.1101/gr.2596504; RG The MGC Project Team; RT "The status, quality, and expansion of the NIH full-length cDNA project: RT the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [6] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 19-467. RA Kim S.-J., Gonen D., Yang Z.-Y., Reliford A., Dy A., Leventhal B.L., RA Cook E.H. Jr.; RT "Genomic organization of GABAA receptor gamma 3 subunit gene (GABRG3)."; RL Submitted (JAN-2000) to the EMBL/GenBank/DDBJ databases. RN [7] RP VARIANT ALA-352. RX PubMed=26566883; DOI=10.1136/jmedgenet-2015-103179; RA Rafiullah R., Aslamkhan M., Paramasivam N., Thiel C., Mustafa G., RA Wiemann S., Schlesner M., Wade R.C., Rappold G.A., Berkel S.; RT "Homozygous missense mutation in the LMAN2L gene segregates with RT intellectual disability in a large consanguineous Pakistani family."; RL J. Med. Genet. 53:138-144(2016). CC -!- FUNCTION: GABA, the major inhibitory neurotransmitter in the vertebrate CC brain, mediates neuronal inhibition by binding to the CC GABA/benzodiazepine receptor and opening an integral chloride channel. CC -!- SUBUNIT: Generally pentameric. There are five types of GABA(A) receptor CC chains: alpha, beta, gamma, delta, and rho. CC -!- SUBCELLULAR LOCATION: Postsynaptic cell membrane; Multi-pass membrane CC protein. Cell membrane; Multi-pass membrane protein. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=2; CC Name=1; CC IsoId=Q99928-1; Sequence=Displayed; CC Name=2; CC IsoId=Q99928-2; Sequence=VSP_047543, VSP_047544; CC -!- PTM: May be palmitoylated. {ECO:0000250}. CC -!- MISCELLANEOUS: This subunit carries the benzodiazepine binding site. CC -!- SIMILARITY: Belongs to the ligand-gated ion channel (TC 1.A.9) family. CC Gamma-aminobutyric acid receptor (TC 1.A.9.5) subfamily. GABRG3 sub- CC subfamily. {ECO:0000305}. CC -!- WEB RESOURCE: Name=Protein Spotlight; Note=Forbidden fruit - Issue 56 CC of March 2005; CC URL="https://web.expasy.org/spotlight/back_issues/056"; CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; S82769; AAB39369.1; -; mRNA. DR EMBL; AF269144; AAF99698.1; -; Genomic_DNA. DR EMBL; AF269135; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269136; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269137; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269138; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269139; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269140; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269141; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269142; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AF269143; AAF99698.1; JOINED; Genomic_DNA. DR EMBL; AC104002; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AC127511; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AC135326; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AC136896; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AC144833; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AC145436; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; EU606049; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; CH471151; EAW57658.1; -; Genomic_DNA. DR EMBL; BC045709; -; NOT_ANNOTATED_CDS; mRNA. DR EMBL; AH009226; AAF63215.1; -; Genomic_DNA. DR CCDS; CCDS45195.1; -. [Q99928-1] DR CCDS; CCDS59251.1; -. [Q99928-2] DR RefSeq; NP_001257802.1; NM_001270873.1. [Q99928-2] DR RefSeq; NP_150092.2; NM_033223.4. [Q99928-1] DR AlphaFoldDB; Q99928; -. DR SMR; Q99928; -. DR BioGRID; 108841; 4. DR STRING; 9606.ENSP00000479113; -. DR ChEMBL; CHEMBL3885573; -. DR ChEMBL; CHEMBL3885577; -. DR DrugBank; DB12537; 1,2-Benzodiazepine. DR DrugBank; DB00546; Adinazolam. DR DrugBank; DB06579; Adipiplon. DR DrugBank; DB00404; Alprazolam. DR DrugBank; DB00543; Amoxapine. DR DrugBank; DB11901; Apalutamide. DR DrugBank; DB14719; Bentazepam. DR DrugBank; DB11859; Brexanolone. DR DrugBank; DB01558; Bromazepam. DR DrugBank; DB09017; Brotizolam. DR DrugBank; DB00237; Butabarbital. DR DrugBank; DB00241; Butalbital. DR DrugBank; DB01489; Camazepam. DR DrugBank; DB00475; Chlordiazepoxide. DR DrugBank; DB14715; Cinazepam. DR DrugBank; DB01594; Cinolazepam. DR DrugBank; DB00349; Clobazam. DR DrugBank; DB01068; Clonazepam. DR DrugBank; DB00628; Clorazepic acid. DR DrugBank; DB01559; Clotiazepam. DR DrugBank; DB01553; Cloxazolam. DR DrugBank; DB01511; Delorazepam. DR DrugBank; DB01189; Desflurane. DR DrugBank; DB00829; Diazepam. DR DrugBank; DB13837; Doxefazepam. DR DrugBank; DB00228; Enflurane. DR DrugBank; DB01215; Estazolam. DR DrugBank; DB00402; Eszopiclone. DR DrugBank; DB00898; Ethanol. DR DrugBank; DB00189; Ethchlorvynol. DR DrugBank; DB01545; Ethyl loflazepate. DR DrugBank; DB09166; Etizolam. DR DrugBank; DB00292; Etomidate. DR DrugBank; DB01567; Fludiazepam. DR DrugBank; DB01205; Flumazenil. DR DrugBank; DB01544; Flunitrazepam. DR DrugBank; DB00690; Flurazepam. DR DrugBank; DB05087; Ganaxolone. DR DrugBank; DB01437; Glutethimide. DR DrugBank; DB00801; Halazepam. DR DrugBank; DB01159; Halothane. DR DrugBank; DB00753; Isoflurane. DR DrugBank; DB01587; Ketazolam. DR DrugBank; DB00555; Lamotrigine. DR DrugBank; DB13643; Loprazolam. DR DrugBank; DB00186; Lorazepam. DR DrugBank; DB13872; Lormetazepam. DR DrugBank; DB13437; Medazepam. DR DrugBank; DB00603; Medroxyprogesterone acetate. DR DrugBank; DB01043; Memantine. DR DrugBank; DB00371; Meprobamate. DR DrugBank; DB00463; Metharbital. DR DrugBank; DB01028; Methoxyflurane. DR DrugBank; DB01107; Methyprylon. DR DrugBank; DB15489; Mexazolam. DR DrugBank; DB00683; Midazolam. DR DrugBank; DB01595; Nitrazepam. DR DrugBank; DB14028; Nordazepam. DR DrugBank; DB00334; Olanzapine. DR DrugBank; DB00842; Oxazepam. DR DrugBank; DB14672; Oxazepam acetate. DR DrugBank; DB00312; Pentobarbital. DR DrugBank; DB00252; Phenytoin. DR DrugBank; DB13335; Pinazepam. DR DrugBank; DB01708; Prasterone. DR DrugBank; DB01588; Prazepam. DR DrugBank; DB00794; Primidone. DR DrugBank; DB00818; Propofol. DR DrugBank; DB01589; Quazepam. DR DrugBank; DB12404; Remimazolam. DR DrugBank; DB01236; Sevoflurane. DR DrugBank; DB09118; Stiripentol. DR DrugBank; DB00306; Talbutal. DR DrugBank; DB01956; Taurine. DR DrugBank; DB00231; Temazepam. DR DrugBank; DB11582; Thiocolchicoside. DR DrugBank; DB00897; Triazolam. DR DrugBank; DB00909; Zonisamide. DR DrugCentral; Q99928; -. DR GlyCosmos; Q99928; 2 sites, No reported glycans. DR GlyGen; Q99928; 2 sites. DR iPTMnet; Q99928; -. DR PhosphoSitePlus; Q99928; -. DR BioMuta; GABRG3; -. DR DMDM; 13959689; -. DR MassIVE; Q99928; -. DR PaxDb; 9606-ENSP00000479113; -. DR PeptideAtlas; Q99928; -. DR ProteomicsDB; 33459; -. DR ProteomicsDB; 78522; -. [Q99928-1] DR Antibodypedia; 5045; 109 antibodies from 19 providers. DR DNASU; 2567; -. DR Ensembl; ENST00000555083.5; ENSP00000452244.1; ENSG00000182256.13. [Q99928-2] DR Ensembl; ENST00000615808.5; ENSP00000479113.1; ENSG00000182256.13. [Q99928-1] DR GeneID; 2567; -. DR KEGG; hsa:2567; -. DR MANE-Select; ENST00000615808.5; ENSP00000479113.1; NM_033223.5; NP_150092.2. DR UCSC; uc001zbf.5; human. [Q99928-1] DR AGR; HGNC:4088; -. DR CTD; 2567; -. DR DisGeNET; 2567; -. DR GeneCards; GABRG3; -. DR GeneReviews; GABRG3; -. DR HGNC; HGNC:4088; GABRG3. DR HPA; ENSG00000182256; Tissue enhanced (retina, testis). DR MalaCards; GABRG3; -. DR MIM; 600233; gene. DR neXtProt; NX_Q99928; -. DR OpenTargets; ENSG00000182256; -. DR PharmGKB; PA28502; -. DR VEuPathDB; HostDB:ENSG00000182256; -. DR eggNOG; KOG3642; Eukaryota. DR GeneTree; ENSGT00940000155607; -. DR HOGENOM; CLU_010920_2_0_1; -. DR InParanoid; Q99928; -. DR OMA; MYWQELE; -. DR OrthoDB; 4265336at2759; -. DR PhylomeDB; Q99928; -. DR TreeFam; TF315453; -. DR PathwayCommons; Q99928; -. DR Reactome; R-HSA-1236394; Signaling by ERBB4. DR Reactome; R-HSA-977443; GABA receptor activation. DR SignaLink; Q99928; -. DR BioGRID-ORCS; 2567; 12 hits in 1167 CRISPR screens. DR ChiTaRS; GABRG3; human. DR GeneWiki; GABRG3; -. DR GenomeRNAi; 2567; -. DR Pharos; Q99928; Tclin. DR PRO; PR:Q99928; -. DR Proteomes; UP000005640; Chromosome 15. DR RNAct; Q99928; Protein. DR Bgee; ENSG00000182256; Expressed in male germ line stem cell (sensu Vertebrata) in testis and 79 other cell types or tissues. DR ExpressionAtlas; Q99928; baseline and differential. DR GO; GO:0034707; C:chloride channel complex; IEA:UniProtKB-KW. DR GO; GO:0032590; C:dendrite membrane; IBA:GO_Central. DR GO; GO:1902711; C:GABA-A receptor complex; IBA:GO_Central. DR GO; GO:0098982; C:GABA-ergic synapse; IEA:Ensembl. DR GO; GO:0015630; C:microtubule cytoskeleton; IDA:HPA. DR GO; GO:0043005; C:neuron projection; IBA:GO_Central. DR GO; GO:0005730; C:nucleolus; IDA:HPA. DR GO; GO:0005886; C:plasma membrane; IDA:HPA. DR GO; GO:0098794; C:postsynapse; IBA:GO_Central. DR GO; GO:0045211; C:postsynaptic membrane; IEA:UniProtKB-SubCell. DR GO; GO:0045202; C:synapse; IBA:GO_Central. DR GO; GO:0004890; F:GABA-A receptor activity; IEA:Ensembl. DR GO; GO:0022851; F:GABA-gated chloride ion channel activity; IBA:GO_Central. DR GO; GO:0005237; F:inhibitory extracellular ligand-gated monoatomic ion channel activity; IBA:GO_Central. DR GO; GO:1904315; F:transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential; IEA:Ensembl. DR GO; GO:1902476; P:chloride transmembrane transport; IBA:GO_Central. DR GO; GO:0007214; P:gamma-aminobutyric acid signaling pathway; IBA:GO_Central. DR GO; GO:0060078; P:regulation of postsynaptic membrane potential; IBA:GO_Central. DR GO; GO:0009410; P:response to xenobiotic stimulus; IEA:Ensembl. DR GO; GO:0051932; P:synaptic transmission, GABAergic; IBA:GO_Central. DR CDD; cd19000; LGIC_ECD_GABAAR_G; 1. DR CDD; cd19054; LGIC_TM_GABAAR_gamma; 1. DR Gene3D; 2.70.170.10; Neurotransmitter-gated ion-channel ligand-binding domain; 1. DR Gene3D; 1.20.58.390; Neurotransmitter-gated ion-channel transmembrane domain; 1. DR InterPro; IPR006028; GABAA/Glycine_rcpt. DR InterPro; IPR005440; GABBAg3_rcpt. DR InterPro; IPR005437; GABRG-1/4. DR InterPro; IPR006202; Neur_chan_lig-bd. DR InterPro; IPR036734; Neur_chan_lig-bd_sf. DR InterPro; IPR006201; Neur_channel. DR InterPro; IPR036719; Neuro-gated_channel_TM_sf. DR InterPro; IPR038050; Neuro_actylchol_rec. DR InterPro; IPR006029; Neurotrans-gated_channel_TM. DR InterPro; IPR018000; Neurotransmitter_ion_chnl_CS. DR NCBIfam; TIGR00860; LIC; 1. DR PANTHER; PTHR18945:SF195; GAMMA-AMINOBUTYRIC ACID RECEPTOR SUBUNIT GAMMA-3; 1. DR PANTHER; PTHR18945; NEUROTRANSMITTER GATED ION CHANNEL; 1. DR Pfam; PF02931; Neur_chan_LBD; 1. DR Pfam; PF02932; Neur_chan_memb; 1. DR PRINTS; PR00253; GABAARECEPTR. DR PRINTS; PR01620; GABAARGAMMA. DR PRINTS; PR01623; GABAARGAMMA3. DR PRINTS; PR00252; NRIONCHANNEL. DR SUPFAM; SSF90112; Neurotransmitter-gated ion-channel transmembrane pore; 1. DR SUPFAM; SSF63712; Nicotinic receptor ligand binding domain-like; 1. DR PROSITE; PS00236; NEUROTR_ION_CHANNEL; 1. DR Genevisible; Q99928; HS. PE 2: Evidence at transcript level; KW Alternative splicing; Cell membrane; Chloride; Chloride channel; KW Disulfide bond; Glycoprotein; Ion channel; Ion transport; Lipoprotein; KW Membrane; Palmitate; Postsynaptic cell membrane; Reference proteome; KW Signal; Synapse; Transmembrane; Transmembrane helix; Transport. FT SIGNAL 1..17 FT /evidence="ECO:0000255" FT CHAIN 18..467 FT /note="Gamma-aminobutyric acid receptor subunit gamma-3" FT /id="PRO_0000000481" FT TOPO_DOM 18..254 FT /note="Extracellular" FT /evidence="ECO:0000305" FT TRANSMEM 255..277 FT /note="Helical" FT /evidence="ECO:0000305" FT TRANSMEM 281..303 FT /note="Helical" FT /evidence="ECO:0000305" FT TRANSMEM 315..337 FT /note="Helical" FT /evidence="ECO:0000305" FT TOPO_DOM 338..443 FT /note="Cytoplasmic" FT /evidence="ECO:0000305" FT TRANSMEM 444..467 FT /note="Helical" FT /evidence="ECO:0000305" FT CARBOHYD 110 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 228 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT DISULFID 171..185 FT /evidence="ECO:0000250" FT VAR_SEQ 239..253 FT /note="DYVVMTIYFELSRRM -> RNLLKEAQLSKAREA (in isoform 2)" FT /evidence="ECO:0000303|PubMed:15489334" FT /id="VSP_047543" FT VAR_SEQ 254..467 FT /note="Missing (in isoform 2)" FT /evidence="ECO:0000303|PubMed:15489334" FT /id="VSP_047544" FT VARIANT 352 FT /note="T -> A (found in a patient with MRT52; uncertain FT significance; dbSNP:rs2066712)" FT /evidence="ECO:0000269|PubMed:26566883" FT /id="VAR_033957" FT CONFLICT 172 FT /note="Q -> R (in Ref. 5; BC045709)" FT /evidence="ECO:0000305" FT CONFLICT 386 FT /note="T -> P (in Ref. 1; AAB39369)" FT /evidence="ECO:0000305" SQ SEQUENCE 467 AA; 54289 MW; 1B22D145166438D6 CRC64; MAPKLLLLLC LFSGLHARSR KVEEDEYEDS SSNQKWVLAP KSQDTDVTLI LNKLLREYDK KLRPDIGIKP TVIDVDIYVN SIGPVSSINM EYQIDIFFAQ TWTDSRLRFN STMKILTLNS NMVGLIWIPD TIFRNSKTAE AHWITTPNQL LRIWNDGKIL YTLRLTINAE CQLQLHNFPM DEHSCPLIFS SYGYPKEEMI YRWRKNSVEA ADQKSWRLYQ FDFMGLRNTT EIVTTSAGDY VVMTIYFELS RRMGYFTIQT YIPCILTVVL SWVSFWIKKD ATPARTALGI TTVLTMTTLS TIARKSLPRV SYVTAMDLFV TVCFLFVFAA LMEYATLNYY SSCRKPTTTK KTTSLLHPDS SRWIPERISL QAPSNYSLLD MRPPPTAMIT LNNSVYWQEF EDTCVYECLD GKDCQSFFCC YEECKSGSWR KGRIHIDILE LDSYSRVFFP TSFLLFNLVY WVGYLYL //