ID A0A4D9EJS2_9SAUR Unreviewed; 411 AA.
AC A0A4D9EJS2;
DT 03-JUL-2019, integrated into UniProtKB/TrEMBL.
DT 03-JUL-2019, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=Gamma-aminobutyric acid receptor subunit beta-2 {ECO:0000256|ARBA:ARBA00039951};
DE AltName: Full=GABA(A) receptor subunit beta-2 {ECO:0000256|ARBA:ARBA00043035};
GN ORFNames=DR999_PMT05832 {ECO:0000313|EMBL:TFK11017.1};
OS Platysternon megacephalum (big-headed turtle).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Archelosauria; Testudinata; Testudines; Cryptodira; Durocryptodira;
OC Testudinoidea; Platysternidae; Platysternon.
OX NCBI_TaxID=55544 {ECO:0000313|EMBL:TFK11017.1, ECO:0000313|Proteomes:UP000297703};
RN [1] {ECO:0000313|EMBL:TFK11017.1, ECO:0000313|Proteomes:UP000297703}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DO16091913 {ECO:0000313|EMBL:TFK11017.1};
RC TISSUE=Muscle {ECO:0000313|EMBL:TFK11017.1};
RA Gong S.;
RT "Draft genome of the big-headed turtle Platysternon megacephalum.";
RL Submitted (APR-2019) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:TFK11017.1, ECO:0000313|Proteomes:UP000297703}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DO16091913 {ECO:0000313|EMBL:TFK11017.1};
RC TISSUE=Muscle {ECO:0000313|EMBL:TFK11017.1};
RA Gong S.;
RT "The genome sequence of big-headed turtle.";
RL Submitted (APR-2019) to the EMBL/GenBank/DDBJ databases.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}. Postsynaptic
CC cell membrane {ECO:0000256|ARBA:ARBA00034104}; Multi-pass membrane
CC protein {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. GABRB2 sub-
CC subfamily. {ECO:0000256|ARBA:ARBA00038185}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|RuleBase:RU000687}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:TFK11017.1}.
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DR EMBL; QXTE01000037; TFK11017.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A4D9EJS2; -.
DR STRING; 55544.A0A4D9EJS2; -.
DR Proteomes; UP000297703; Unassembled WGS sequence.
DR GO; GO:0034707; C:chloride channel complex; IEA:UniProtKB-KW.
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 CDD; cd19053; LGIC_TM_GABAAR_beta; 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; IPR002289; GABAAb_rcpt.
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:SF221; GAMMA-AMINOBUTYRIC ACID RECEPTOR SUBUNIT BETA-2; 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; PR01160; GABAARBETA.
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 3: Inferred from homology;
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 Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU000687};
KW Phosphoprotein {ECO:0000256|ARBA:ARBA00022553};
KW Postsynaptic cell membrane {ECO:0000256|ARBA:ARBA00023257};
KW Reference proteome {ECO:0000313|Proteomes:UP000297703};
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 179..203
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 244..267
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 392..409
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT DOMAIN 1..178
FT /note="Neurotransmitter-gated ion-channel ligand-binding"
FT /evidence="ECO:0000259|Pfam:PF02931"
FT DOMAIN 186..406
FT /note="Neurotransmitter-gated ion-channel transmembrane"
FT /evidence="ECO:0000259|Pfam:PF02932"
SQ SEQUENCE 411 AA; 47482 MW; 817522AF4184C086 CRC64;
MNIDIASIDM VSEVNMDYTL TMYFQQAWRD KRLSYNVIPL NLTLDNRVAD QLWVPDTYFL
NDKKSFVHGV TVKNRMIRLH PDGTVLYGLR ITTTAACMMD LRRYPLDEQN CTLEIESYGY
TTDDIEFYWR GGDNAVTGVT KIELPQFSIV DFRLVTKNVV FSTGAYPRLS LSFKLKRNIG
YFILQTYMPS ILITILSWVS FWINYDASAA RVALGITTVL TMTTINTHLR ETLPKIPYVK
AIDMYLMGCF VFVFMALLEY ALVNYIFFGR GPQRQKKAAE KAASANNEKL RMDVNKMDPH
ENILLSTLEI KNEMAASEAV MGLGDPRSTM LAYDTSSIQY RKAGLPRHSF GRNALERHVA
QKKSRLRRRA SQLKINIPDL TDVNAIDRWS RIFFPVVFSF FNIVYWLYYV N
//
