ID V9KW74_CALMI Unreviewed; 418 AA.
AC V9KW74;
DT 19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT 19-MAR-2014, sequence version 1.
DT 27-MAR-2024, entry version 44.
DE RecName: Full=Gamma-aminobutyric acid receptor subunit alpha-2 {ECO:0000256|ARBA:ARBA00017970};
DE AltName: Full=GABA(A) receptor subunit alpha-2 {ECO:0000256|ARBA:ARBA00033009};
DE Flags: Fragment;
OS Callorhinchus milii (Ghost shark).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Chondrichthyes;
OC Holocephali; Chimaeriformes; Callorhinchidae; Callorhinchus.
OX NCBI_TaxID=7868 {ECO:0000313|EMBL:AFP02923.1};
RN [1] {ECO:0000313|EMBL:AFP02923.1}
RP NUCLEOTIDE SEQUENCE.
RC TISSUE=Brain {ECO:0000313|EMBL:AFP02923.1};
RX PubMed=24402279; DOI=10.1038/nature12826;
RG International Elephant Shark Genome Sequencing Consortium;
RA Venkatesh B., Lee A.P., Ravi V., Maurya A.K., Lian M.M., Swann J.B.,
RA Ohta Y., Flajnik M.F., Sutoh Y., Kasahara M., Hoon S., Gangu V., Roy S.W.,
RA Irimia M., Korzh V., Kondrychyn I., Lim Z.W., Tay B.H., Tohari S.,
RA Kong K.W., Ho S., Lorente-Galdos B., Quilez J., Marques-Bonet T.,
RA Raney B.J., Ingham P.W., Tay A., Hillier L.W., Minx P., Boehm T.,
RA Wilson R.K., Brenner S., Warren W.C.;
RT "Elephant shark genome provides unique insights into gnathostome
RT evolution.";
RL Nature 505:174-179(2014).
CC -!- SUBCELLULAR LOCATION: Cell projection, dendrite
CC {ECO:0000256|ARBA:ARBA00004279}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}. Postsynaptic cell membrane
CC {ECO:0000256|ARBA:ARBA00034104}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00034104}. Synaptic cell membrane
CC {ECO:0000256|ARBA:ARBA00034099}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00034099}.
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. GABRA2 sub-
CC subfamily. {ECO:0000256|ARBA:ARBA00010542}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|RuleBase:RU000687}.
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; JW870405; AFP02923.1; -; mRNA.
DR AlphaFoldDB; V9KW74; -.
DR GO; GO:0034707; C:chloride channel complex; IEA:UniProtKB-KW.
DR GO; GO:0030659; C:cytoplasmic vesicle membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0030425; C:dendrite; IEA:UniProtKB-SubCell.
DR GO; GO:0045211; C:postsynaptic membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005254; F:chloride channel activity; IEA:UniProtKB-KW.
DR GO; GO:0005230; F:extracellular ligand-gated monoatomic ion channel activity; IEA:InterPro.
DR GO; GO:0004890; F:GABA-A receptor activity; IEA:InterPro.
DR GO; GO:0007214; P:gamma-aminobutyric acid signaling pathway; IEA:InterPro.
DR CDD; cd19052; LGIC_TM_GABAAR_alpha; 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; IPR001390; GABAAa_rcpt.
DR InterPro; IPR005432; GABBAa2_rcpt.
DR InterPro; IPR047024; Gabra-1-6_TM.
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:SF514; GAMMA-AMINOBUTYRIC ACID RECEPTOR SUBUNIT ALPHA-1; 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; PR01079; GABAARALPHA.
DR PRINTS; PR01615; GABAARALPHA2.
DR PRINTS; PR00253; GABAARECEPTR.
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.
PE 2: Evidence at transcript level;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Chloride {ECO:0000256|ARBA:ARBA00023214};
KW Chloride channel {ECO:0000256|ARBA:ARBA00023173};
KW Cytoplasmic vesicle {ECO:0000256|ARBA:ARBA00023329};
KW Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW Ion channel {ECO:0000256|ARBA:ARBA00023303, ECO:0000256|RuleBase:RU000687};
KW Ion transport {ECO:0000256|ARBA:ARBA00023065,
KW ECO:0000256|RuleBase:RU000687};
KW Ligand-gated ion channel {ECO:0000256|ARBA:ARBA00023286};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU000687};
KW Postsynaptic cell membrane {ECO:0000256|ARBA:ARBA00023257};
KW Receptor {ECO:0000256|ARBA:ARBA00023170, ECO:0000313|EMBL:AFP02923.1};
KW Signal {ECO:0000256|ARBA:ARBA00022729};
KW Synapse {ECO:0000256|ARBA:ARBA00023018};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU000687};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|RuleBase:RU000687};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU000687}.
FT TRANSMEM 212..236
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 277..299
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 385..403
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT DOMAIN 48..212
FT /note="Neurotransmitter-gated ion-channel ligand-binding"
FT /evidence="ECO:0000259|Pfam:PF02931"
FT DOMAIN 219..314
FT /note="Neurotransmitter-gated ion-channel transmembrane"
FT /evidence="ECO:0000259|Pfam:PF02932"
FT REGION 1..24
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 353..373
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 356..373
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:AFP02923.1"
SQ SEQUENCE 418 AA; 47494 MW; 3FC27788E9C3BD33 CRC64;
LQPLRSHRIG SSHHLQTPRT RHEQATDEQI AIFSPCECGA GGVLAGREYT IDVFFRQSWK
DERLKFEGPM NLLRLNNLMA SKIWTPDTFF YNGKKSVAHN MTMPNKLLRI RDDGTLLYTM
RLTVQAECPM HLEDFPMDAH SCPLKFGSYA YTYSEVNYNW THGPAKSVVV AEDGSRLNQY
DLLGQTVGEE LIRSSTGEYK VMTTHFHLKR KIGYFVIQTY LPCIMTVILS QVSFWLNRES
VPARTVFGVT TVLTMTTLSI SARNSLPKVA YATAMDWFIA VCYAFVFSAL IEFATVNYFT
KRGWAWDGKS VVNEKKKEKA SIMKKNNAYA VAVANYAPNI TKDSVLPTIA KSATAEPKDA
KPESKPQDAK KTFNSESKID RMSRIMFPVL FGTFNLVYWA TYLNRDPVIQ AMMPDNNH
//
