ID A0A2Y9DDN0_TRIMA Unreviewed; 473 AA.
AC A0A2Y9DDN0;
DT 12-SEP-2018, integrated into UniProtKB/TrEMBL.
DT 12-SEP-2018, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE SubName: Full=Gamma-aminobutyric acid receptor subunit beta-3 isoform X2 {ECO:0000313|RefSeq:XP_004372680.1};
GN Name=LOC101345955 {ECO:0000313|RefSeq:XP_004372680.1};
OS Trichechus manatus latirostris (Florida manatee).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Afrotheria; Sirenia; Trichechidae; Trichechus.
OX NCBI_TaxID=127582 {ECO:0000313|Proteomes:UP000248480, ECO:0000313|RefSeq:XP_004372680.1};
RN [1] {ECO:0000313|RefSeq:XP_004372680.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004651};
CC Multi-pass membrane protein {ECO:0000256|ARBA:ARBA00004651}. 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 {ECO:0000256|RuleBase:RU000687}.
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DR RefSeq; XP_004372680.1; XM_004372623.1.
DR AlphaFoldDB; A0A2Y9DDN0; -.
DR STRING; 127582.A0A2Y9DDN0; -.
DR GeneID; 101345955; -.
DR InParanoid; A0A2Y9DDN0; -.
DR OrthoDB; 4265336at2759; -.
DR Proteomes; UP000248480; Unplaced.
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; cd18999; LGIC_ECD_GABAAR_B; 1.
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:SF571; GAMMA-AMINOBUTYRIC ACID RECEPTOR SUBUNIT BETA-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; 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 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 Postsynaptic cell membrane {ECO:0000256|ARBA:ARBA00023257};
KW Receptor {ECO:0000313|RefSeq:XP_004372680.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000248480};
KW Signal {ECO:0000256|ARBA:ARBA00022729, ECO:0000256|RuleBase:RU000687};
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 SIGNAL 1..19
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT CHAIN 20..473
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT /id="PRO_5022247868"
FT TRANSMEM 243..265
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 272..289
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 309..332
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT TRANSMEM 454..471
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000687"
FT DOMAIN 39..242
FT /note="Neurotransmitter-gated ion-channel ligand-binding"
FT /evidence="ECO:0000259|Pfam:PF02931"
FT DOMAIN 250..468
FT /note="Neurotransmitter-gated ion-channel transmembrane"
FT /evidence="ECO:0000259|Pfam:PF02932"
FT REGION 410..430
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 473 AA; 54352 MW; 0172E071D6912B71 CRC64;
MCSGLPALLL HIWLSWTLAT QGFEPHIVND PGNMSFVKET VDKLLKGYDI RLRPDFGGPP
VCVGMNIDIA SIDMVSEVNM DYTLTMYFQQ YWRDKRLAYS GIPLNLTLDN RVADQLWVPD
TYFLNDKKSF VHGVTVKNRM IRLHPDGTVL YGLRITTTAA CMMDLRRYPL DEQNCTLEIE
SYGYTTDDIE FYWRGGDKAV TGVERIELPQ FSIVEHRLVS RNVVFATGAY PRLSLSFRLK
RNIGYFILQT YMPSILITIL SWVSFWINYD ASAARVALGI TTVLTMTTIN THLRETLPKI
PYVKAIDMYL MGCFVFVFLA LLEYAFVNYI FFGRGPQRQK KLAEKTAKAK NDRSKSESNR
VDAHGNILLT SLEVHNEMNE VAGGVGDTRN SAISFDNSGI QYRKQSMPRE GLGRHMGDRS
IPHKKTHLRR RSSQLKIKIP DLTDVNAIDR WSRIVFPFTF SLFNLVYWLY YVN
//