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Protein

Gamma-aminobutyric acid receptor subunit alpha-2

Gene

Gabra2

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionChloride channel, Ion channel, Ligand-gated ion channel, Receptor
Biological processIon transport, Transport
LigandChloride

Enzyme and pathway databases

ReactomeiR-MMU-977441 GABA A receptor activation

Names & Taxonomyi

Protein namesi
Recommended name:
Gamma-aminobutyric acid receptor subunit alpha-2
Alternative name(s):
GABA(A) receptor subunit alpha-2
Gene namesi
Name:Gabra2
Synonyms:Gabra-2
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
Proteomesi
  • UP000000589 Componenti: Chromosome 5

Organism-specific databases

MGIiMGI:95614 Gabra2

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini29 – 251ExtracellularCuratedAdd BLAST223
Transmembranei252 – 273HelicalCuratedAdd BLAST22
Transmembranei279 – 300HelicalCuratedAdd BLAST22
Transmembranei313 – 334HelicalCuratedAdd BLAST22
Topological domaini335 – 419CytoplasmicCuratedAdd BLAST85
Transmembranei420 – 441HelicalCuratedAdd BLAST22

Keywords - Cellular componenti

Cell junction, Cell membrane, Cytoplasmic vesicle, Membrane, Postsynaptic cell membrane, Synapse

Pathology & Biotechi

Chemistry databases

ChEMBLiCHEMBL2094133

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 28Sequence analysisAdd BLAST28
ChainiPRO_000000043429 – 451Gamma-aminobutyric acid receptor subunit alpha-2Add BLAST423

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi38N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi138N-linked (GlcNAc...) asparagineSequence analysis1
Disulfide bondi166 ↔ 180By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PaxDbiP26048
PeptideAtlasiP26048
PRIDEiP26048

PTM databases

iPTMnetiP26048
PhosphoSitePlusiP26048

Expressioni

Gene expression databases

BgeeiENSMUSG00000000560
ExpressionAtlasiP26048 baseline and differential
GenevisibleiP26048 MM

Interactioni

Subunit structurei

Generally pentameric. There are five types of GABA(A) receptor chains: alpha, beta, gamma, delta, and rho. Interacts with UBQLN1 (PubMed:11528422). Interacts with KIF21B (By similarity).By similarity1 Publication

Protein-protein interaction databases

STRINGi10090.ENSMUSP00000000572

Structurei

Secondary structure

1451
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi251 – 256Combined sources6
Helixi258 – 270Combined sources13
Helixi271 – 273Combined sources3
Helixi279 – 285Combined sources7
Helixi288 – 301Combined sources14
Helixi312 – 336Combined sources25
Helixi416 – 423Combined sources8
Helixi428 – 440Combined sources13

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
5OSAX-ray2.75A/B/C/D/E251-339[»]
5OSCX-ray3.10A/B/C/D/E251-339[»]
ProteinModelPortaliP26048
SMRiP26048
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiKOG3642 Eukaryota
ENOG410XNQG LUCA
GeneTreeiENSGT00760000119010
HOGENOMiHOG000231337
HOVERGENiHBG051707
InParanoidiP26048
KOiK05175
OMAiQRWKDER
OrthoDBiEOG091G0805
PhylomeDBiP26048
TreeFamiTF315453

Family and domain databases

Gene3Di2.70.170.10, 1 hit
InterProiView protein in InterPro
IPR006028 GABAA/Glycine_rcpt
IPR001390 GABAAa_rcpt
IPR005432 GABBAa2_rcpt
IPR006202 Neur_chan_lig-bd
IPR036734 Neur_chan_lig-bd_sf
IPR006201 Neur_channel
IPR036719 Neuro-gated_channel_TM_sf
IPR006029 Neurotrans-gated_channel_TM
IPR018000 Neurotransmitter_ion_chnl_CS
PANTHERiPTHR18945 PTHR18945, 1 hit
PTHR18945:SF218 PTHR18945:SF218, 1 hit
PfamiView protein in Pfam
PF02931 Neur_chan_LBD, 1 hit
PF02932 Neur_chan_memb, 1 hit
PRINTSiPR01079 GABAARALPHA
PR01615 GABAARALPHA2
PR00253 GABAARECEPTR
PR00252 NRIONCHANNEL
SUPFAMiSSF63712 SSF63712, 1 hit
SSF90112 SSF90112, 1 hit
TIGRFAMsiTIGR00860 LIC, 1 hit
PROSITEiView protein in PROSITE
PS00236 NEUROTR_ION_CHANNEL, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P26048-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKTKLSTCNV WSLLLVLLVW DPVRLVLANI QEDEAKNNIT IFTRILDRLL
60 70 80 90 100
DGYDNRLRPG LGDSITEVFT NIYVTSFGPV SDTDMEYTID VFFRQKWKDE
110 120 130 140 150
RLKFKGPMNI LRLNNLMASK IWTPDTFFHN GKKSVAHNMT MPNKLLRIQD
160 170 180 190 200
DGTLLYTMRL TVQAECPMHL EDFPMDAHSC PLKFGSYAYT TSEVTYIWTY
210 220 230 240 250
NASDSVQVAP DGSRLNQYDL LGQSIGKETI KSSTGEYTVM TAHFHLKRKI
260 270 280 290 300
GYFVIQTYLP CIMTVILSQV SFWLNRESVP ARTVFGVTTV LTMTTLSISA
310 320 330 340 350
RNSLPKVAYA TAMDWFIAVC YAFVFSALIE FATVNYFTKR GWAWDGKSVV
360 370 380 390 400
NDKKKEKGSV MIQNNAYAVA VANYAPNLSK DPVLSTISKS ATTPEPNKKP
410 420 430 440 450
ENKPAEAKKT FNSVSKIDRM SRIVFPVLFG TFNLVYWATY LNREPVLGVS

P
Length:451
Mass (Da):51,139
Last modified:May 1, 1992 - v1
Checksum:iC5E47898963A36CF
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M86567 mRNA Translation: AAA37650.1
CCDSiCCDS19327.1
RefSeqiNP_032092.1, NM_008066.3
XP_006503796.1, XM_006503733.3
UniGeneiMm.5304

Genome annotation databases

EnsembliENSMUST00000197284; ENSMUSP00000142892; ENSMUSG00000000560
GeneIDi14395
KEGGimmu:14395
UCSCiuc008xqv.1 mouse

Similar proteinsi

Entry informationi

Entry nameiGBRA2_MOUSE
AccessioniPrimary (citable) accession number: P26048
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 1, 1992
Last sequence update: May 1, 1992
Last modified: March 28, 2018
This is version 160 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

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