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0ACHD_HUMAN*   SwissProt (?) | Description Local Annotation Link Reference
General Information
NameCHRND
DescriptionAcetylcholine receptor protein, delta subunit precursor.
SpeciesHomo sapiens (NCBI taxonomy ID: 9606)
GO0005892 nicotinic acetylcholine-gated receptor-chan... (TAS)
0004889 nicotinic acetylcholine-activated cation-se... (TAS)
0006936 muscle contraction (TAS)
0007165 signal transduction (TAS)
0006810 transport (TAS)

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schematic display of those terms with internal associations, click the node and browse the corresponding GO term
Domain Architecture (Details)
InterPro domains assigned to SynO:
Neurotransmitter ligand-gated ion channels are transmembrane receptor-ion channel complexes that open transiently upon binding of specific ligands.llowing rapid transmission of signals at chemical synapses .Of the five families known.our have been shown to form a sequence-related superfamily. These are the gamma-aminobutyric acid type A (GABA-A).icotinic acetylcholine.lycine and the serotonin 5HT3 receptors. The ionotropic glutamate receptors () have a distinct primary structure.However.ll these receptors possess a pentameric structure (made up of varying subunits).urrounding a central pore. Each of these subunits contains a large extracellular N-terminal ligand-binding region; 3 hydrophobic transmembrane domains; a large intracellular region; and a fourth hydrophobic domain .This domain represents four transmembrane helices of a variety of neurotransmitter-gated ion-channels.
  IPR006029:Neurotransmitter-gated ion-channel transmembrane region
Neurotransmitter ligand-gated ion channels are transmembrane receptor-ion channel complexes that open transiently upon binding of specific ligands.llowing rapid transmission of signals at chemical synapses .Of the five families known.our have been shown to form a sequence-related superfamily. These are the gamma-aminobutyric acid type A (GABA-A).icotinic acetylcholine.lycine and the serotonin 5HT3 receptors. The ionotropic glutamate receptors () have a distinct primary structure.However.ll these receptors possess a pentameric structure (made up of varying subunits).urrounding a central pore. Each of these subunits contains a large extracellular N-terminal ligand-binding region; 3 hydrophobic transmembrane domains; a large intracellular region; and a fourth hydrophobic domain .This InterPro entry represents the GABA-A.icotinic.lycine.nd 5HT3 receptors.
  IPR006201:Neurotransmitter-gated ion-channel
InterPro domains unassigned to SynO:
Neurotransmitter ligand-gated ion channels are transmembrane receptor-ion channel complexes that open transiently upon binding of specific ligands.llowing rapid transmission of signals at chemical synapses .Of the five families known.our have been shown to form a sequence-related superfamily. These are the gamma-aminobutyric acid type A (GABA-A).icotinic acetylcholine.lycine and the serotonin 5HT3 receptors. The ionotropic glutamate receptors () have a distinct primary structure.However.ll these receptors possess a pentameric structure (made up of varying subunits).urrounding a central pore. Each of these subunits contains a large extracellular N-terminal ligand-binding region; 3 hydrophobic transmembrane domains; a large intracellular region; and a fourth hydrophobic domain .Nicotinic acetylcholine receptors are ligand-gated ion channels that mediate signaltransduction at the post-synaptic membrane of cholinergic synapses.uch asthe neuromuscular junction . They belong to a family of neurotransmitter-gated receptors.ncluding glycine.amma-aminobutyric-acid (GABA).erotonin 5HT3 receptors. These are oligomeric transmembrane(TM) complexes (pentamers of 2 alpha and 1 beta. gamma and 1 deltasubunit) that contain a central channel.hich transiently opens upon binding of a specific neurotransmitters. Their sequences are related and share the same topology: each hasan extracellular.lycosylated N-terminal ligand-binding domain; 3 hydrophobic TM regions.hich form the channel; a hydrophilic cytoplasmicdomain; followed by a fourth putative TM region . The nicotinic receptor ligand binding domain is a specialized pocket of aromatic and hydrophobic residues formed at interfaces between protein subunits that changes conformation to convert agonist binding into gating of an intrinsic ion channel . The expression of acetylcholine receptors is activated during muscledifferentiation and upon denervation of adult muscle . Receptor functionis regulated by phosphorylation and dephosphorylation by kinases andphosphatases present in the post-synaptic membranes . Most of thephosphorylation sites are located in the major intracellular loop betweenthe third and fourth TM regions and are closely spaced.
  IPR002394:Nicotinic acetylcholine receptor
Neurotransmitter ligand-gated ion channels are transmembrane receptor-ion channel complexes that open transiently upon binding of specific ligands.llowing rapid transmission of signals at chemical synapses .Of the five families known.our have been shown to form a sequence-related superfamily. These are the gamma-aminobutyric acid type A (GABA-A).icotinic acetylcholine.lycine and the serotonin 5HT3 receptors. The ionotropic glutamate receptors () have a distinct primary structure.However.ll these receptors possess a pentameric structure (made up of varying subunits).urrounding a central pore. Each of these subunits contains a large extracellular N-terminal ligand-binding region; 3 hydrophobic transmembrane domains; a large intracellular region; and a fourth hydrophobic domain .This entry presents the extracellular ligand binding domain of these ion channels. This domain forms a pentameric arrangement in the known structure.
  IPR006202:Neurotransmitter-gated ion-channel ligand-binding
IPR006029:Neur_chan_memb 
Evalue:-107.886054992676 
Location:253-489IPR006202:Neur_chan_LBD 
Evalue:-104.958610534668 
Location:25-246
SequencesProtein: ACHD_HUMAN (517 aa)
mRNA: NM_000751
Local Annotation
Synapse Ontology
all
sdb:0004 Presynaptic compartment  (Evidence:keywords,domains)
Postsynaptic compartment is represented by a patch of plasma membrane containing a packed array of neurotransmitter receptors and by an underlying dense matrix, the postsynaptic density (PSD).
sdb:0005 Postsynaptic compartment  (Evidence:keywords,domains)
this kind of receptor usually locates at the postsynaptic plasma membranous region.
sdb:0109 ionotropic receptor  (Evidence:keywords,domains)
priming for exocytosis prepares the calcium-dependent release and may involve partial fusion process. The vesicles are primed and become responsive to calcium.
sdb:0120 priming  (Evidence:keywords,domains)
?
sdb:0305 binding to postsynaptic receptor and internization  (Evidence:keywords,domains)
KO assignmentK04816
  Level 3 annotation:
    cholinergic receptor, nicotinic, delta polypeptide
  Level 2 annotation:
    Ion channels
Loci Structure (Details)Loci index, Chromosomal location, Length, Possible relational loci clusterExon1: 19 residues, 233099165-233099221Exon2: 50 residues, 233099482-233099628Exon3: 17 residues, 233100354-233100399Exon4: 38 residues, 233101215-233101325Exon5: 54 residues, 233101454-233101610Exon6: 38 residues, 233101815-233101925Exon7: 69 residues, 233102892-233103093Exon8: 39 residues, 233104305-233104417Exon9: 40 residues, 233104495-233104610Exon10: 70 residues, 233106884-233107089Exon11: 41 residues, 233107177-233107296Exon12: 123 residues, 233108083-233108448Exon13: 2 residues, -Jump to ACHD_HUMAN  
Tune and view alternative isoforms
Loci Cluster (Details)Loci: 3220 233099165-233108448 ~-9K 22296(CHRND)(+)Loci: 3221 233112680-233119282 ~-7K 22297(CHRNG)(+)Loci: 4500 233339418-233349519 ~-10K 22308(KCNJ13)(-)Loci: 4499 233052780-233060782 ~-8K 22293(ECEL1)(-)Link out to UCSC