ID A0A3B1IWB4_ASTMX Unreviewed; 368 AA.
AC A0A3B1IWB4;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=P2X purinoceptor {ECO:0000256|RuleBase:RU000681};
OS Astyanax mexicanus (Blind cave fish) (Astyanax fasciatus mexicanus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes;
OC Characoidei; Characidae; Astyanax.
OX NCBI_TaxID=7994 {ECO:0000313|Ensembl:ENSAMXP00000034218.1, ECO:0000313|Proteomes:UP000018467};
RN [1] {ECO:0000313|Proteomes:UP000018467}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=female {ECO:0000313|Proteomes:UP000018467};
RA Jeffery W., Warren W., Wilson R.K.;
RL Submitted (MAR-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000018467}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=female {ECO:0000313|Proteomes:UP000018467};
RX PubMed=25329095; DOI=10.1038/ncomms6307;
RA McGaugh S.E., Gross J.B., Aken B., Blin M., Borowsky R., Chalopin D.,
RA Hinaux H., Jeffery W.R., Keene A., Ma L., Minx P., Murphy D., O'Quin K.E.,
RA Retaux S., Rohner N., Searle S.M., Stahl B.A., Tabin C., Volff J.N.,
RA Yoshizawa M., Warren W.C.;
RT "The cavefish genome reveals candidate genes for eye loss.";
RL Nat. Commun. 5:5307-5307(2014).
RN [3] {ECO:0000313|Ensembl:ENSAMXP00000034218.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- FUNCTION: Receptor for ATP that acts as a ligand-gated ion channel.
CC {ECO:0000256|RuleBase:RU000681}.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141,
CC ECO:0000256|RuleBase:RU000681}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141, ECO:0000256|RuleBase:RU000681}.
CC -!- SIMILARITY: Belongs to the P2X receptor family.
CC {ECO:0000256|ARBA:ARBA00009848, ECO:0000256|RuleBase:RU000681}.
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DR AlphaFoldDB; A0A3B1IWB4; -.
DR Ensembl; ENSAMXT00000039325.1; ENSAMXP00000034218.1; ENSAMXG00000009787.2.
DR GeneTree; ENSGT01020000230351; -.
DR Proteomes; UP000018467; Unassembled WGS sequence.
DR Bgee; ENSAMXG00000009787; Expressed in pharyngeal gill and 5 other cell types or tissues.
DR GO; GO:0005886; C:plasma membrane; IEA:InterPro.
DR GO; GO:0098794; C:postsynapse; IEA:GOC.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004931; F:extracellularly ATP-gated monoatomic cation channel activity; IEA:InterPro.
DR GO; GO:0001614; F:purinergic nucleotide receptor activity; IEA:InterPro.
DR GO; GO:0033198; P:response to ATP; IEA:InterPro.
DR Gene3D; 1.10.287.940; atp-gated p2x4 ion channel; 1.
DR Gene3D; 2.60.490.10; atp-gated p2x4 ion channel domain; 1.
DR InterPro; IPR003046; P2X3_purnocptor.
DR InterPro; IPR027309; P2X_extracellular_dom_sf.
DR InterPro; IPR001429; P2X_purnocptor.
DR NCBIfam; TIGR00863; P2X; 1.
DR PANTHER; PTHR10125; P2X PURINOCEPTOR; 1.
DR PANTHER; PTHR10125:SF8; P2X PURINOCEPTOR 3; 1.
DR Pfam; PF00864; P2X_receptor; 2.
DR PIRSF; PIRSF005713; P2X_purinoceptor; 2.
DR PRINTS; PR01310; P2X3RECEPTOR.
DR PRINTS; PR01307; P2XRECEPTOR.
DR PROSITE; PS01212; P2X_RECEPTOR; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|PIRSR:PIRSR005713-1};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157,
KW ECO:0000256|PIRSR:PIRSR005713-2};
KW Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW Ion channel {ECO:0000256|RuleBase:RU000681};
KW Ion transport {ECO:0000256|ARBA:ARBA00023065,
KW ECO:0000256|RuleBase:RU000681};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU000681};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR005713-1};
KW Receptor {ECO:0000256|RuleBase:RU000681};
KW Reference proteome {ECO:0000313|Proteomes:UP000018467};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU000681};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|RuleBase:RU000681};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU000681}.
FT TRANSMEM 26..45
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000681"
FT TRANSMEM 309..331
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU000681"
FT BINDING 64..66
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-1"
FT BINDING 156
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-1"
FT BINDING 263..265
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-1"
FT BINDING 283
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-1"
FT CARBOHYD 154
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-3"
FT DISULFID 108..137
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-2"
FT DISULFID 187..197
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-2"
FT DISULFID 231..240
FT /evidence="ECO:0000256|PIRSR:PIRSR005713-2"
SQ SEQUENCE 368 AA; 41639 MW; 492FDA09E85A131C CRC64;
MWNCVTDFFT YETTKSVVVK SWTIGIINRI VQLLIISYFI GWVFLYEKAY QDRDTAIESS
VMTKVKGFGE HHHKIMDVAD YVTPTQGASV FCIITKLITT ENQVQGKCPE VSLLTGKCVQ
QFNSSTSEKY CEIRGWCPAE IDDIPIKPMM EVENFTIFIK NSIRFPRFNF TKGNFLPTIN
SSYIKKCNFD DKKNTYCPIF KVGDVVRLAH QNFTALVNKG GVIGIKISWV CDLDKSEDEC
KPAYSFTRLD AMSEKSSVSP GYNFRFAKYF MGQDGTEYRT LLKAYGIRFD VIVNGDAGKF
SMIPTLINMV AAFTSVGVGA VLCDIILLNF LKGADQYKAK KFEESQLSIR PEDKFSNDSG
TFSIVQYG
//
