Neuronal acetylcholine receptor subunit alpha-9
Name | Neuronal acetylcholine receptor subunit alpha-9 |
---|---|
Synonyms | NACHR alpha-9 NACHRA9 Nicotinic acetylcholine receptor subunit alpha-9 |
Gene Name | CHRNA9 |
Organism | Human |
Amino acid sequence | >lcl|BSEQ0011683|Neuronal acetylcholine receptor subunit alpha-9 MNWSHSCISFCWIYFAASRLRAAETADGKYAQKLFNDLFEDYSNALRPVEDTDKVLNVTL QITLSQIKDMDERNQILTAYLWIRQIWHDAYLTWDRDQYDGLDSIRIPSDLVWRPDIVLY NKADDESSEPVNTNVVLRYDGLITWDAPAITKSSCVVDVTYFPFDNQQCNLTFGSWTYNG NQVDIFNALDSGDLSDFIEDVEWEVHGMPAVKNVISYGCCSEPYPDVTFTLLLKRRSSFY IVNLLIPCVLISFLAPLSFYLPAASGEKVSLGVTILLAMTVFQLMVAEIMPASENVPLIG KYYIATMALITASTALTIMVMNIHFCGAEARPVPHWARVVILKYMSRVLFVYDVGESCLS PHHSRERDHLTKVYSKLPESNLKAARNKDLSRKKDMNKRLKNDLGCQGKNPQEAESYCAQ YKVLTRNIEYIAKCLKDHKATNSKGSEWKKVAKVIDRFFMWIFFIMVFVMTILIIARAD |
Number of residues | 479 |
Molecular Weight | 54806.63 |
Theoretical pI | 6.42 |
GO Classification |
Functions
acetylcholine-activated cation-selective channel activity acetylcholine-gated cation channel activity calcium channel activity Processes
neurological system process positive regulation of cytosolic calcium ion concentration detection of mechanical stimulus involved in sensory perception of sound inner ear morphogenesis synaptic transmission, cholinergic signal transduction neuromuscular synaptic transmission response to nicotine regulation of membrane potential synaptic transmission cation transmembrane transport Components
cell junction cytosol acetylcholine-gated channel complex integral component of plasma membrane synapse neuron projection postsynaptic membrane plasma membrane |
General Function | Calcium channel activity |
Specific Function | Ionotropic receptor with a probable role in the modulation of auditory stimuli. Agonist binding induces a conformation change that leads to the opening of an ion-conducting channel across the plasma membrane (PubMed:11752216, PubMed:25282151). The channel is permeable to a range of divalent cations including calcium, the influx of which may activate a potassium current which hyperpolarizes the cell membrane (PubMed:11752216, PubMed:25282151). In the ear, this may lead to a reduction in basilar membrane motion, altering the activity of auditory nerve fibers and reducing the range of dynamic hearing. This may protect against acoustic trauma. May also regulate keratinocyte adhesion (PubMed:11021840). |
Transmembrane Regions | 238-262 269-287 302-323 458-476 |
GenBank Protein ID | 6688136 |
UniProtKB ID | Q9UGM1 |
UniProtKB Entry Name | ACHA9_HUMAN |
Cellular Location | Cell junction |
Gene sequence | >lcl|BSEQ0011684|Neuronal acetylcholine receptor subunit alpha-9 (CHRNA9) ATGAACTGGTCCCATTCCTGCATCTCCTTTTGCTGGATCTACTTTGCTGCTTCCAGACTG AGAGCTGCAGAGACGGCAGATGGAAAATATGCTCAGAAGTTGTTTAATGACCTTTTTGAA GATTATTCTAATGCTCTTCGTCCAGTGGAAGATACAGATAAAGTCCTGAATGTGACCCTG CAGATTACGCTCTCTCAGATTAAGGATATGGATGAAAGAAACCAAATTCTGACTGCTTAT TTGTGGATCCGCCAAATCTGGCACGATGCCTATCTCACGTGGGACCGAGATCAGTACGAT GGCCTAGACTCCATCAGGATCCCCAGTGACCTCGTGTGGAGGCCAGACATCGTCTTATAT AACAAGGCTGATGATGAATCTTCAGAGCCTGTGAACACCAATGTGGTCCTGCGGTATGAT GGGCTGATCACCTGGGATGCACCGGCCATCACCAAAAGCTCCTGTGTGGTGGATGTCACC TACTTCCCTTTTGACAACCAGCAGTGCAACCTGACTTTTGGTTCCTGGACCTACAATGGC AATCAGGTGGACATATTCAACGCCTTGGACAGCGGAGATCTCTCTGACTTCATTGAAGAT GTGGAATGGGAGGTCCATGGCATGCCCGCTGTGAAGAATGTGATCTCCTATGGCTGCTGC TCTGAGCCTTACCCGGATGTCACATTCACCCTCCTTCTGAAGAGGAGGTCCTCGTTCTAT ATCGTCAACCTCCTCATCCCATGCGTCCTCATATCTTTTCTGGCTCCTCTGAGTTTTTAT CTCCCAGCAGCCTCCGGAGAAAAGGTCTCCCTGGGAGTGACCATCCTGTTGGCCATGACT GTATTTCAGCTAATGGTGGCAGAAATCATGCCGGCCTCAGAAAATGTGCCCCTGATAGGT AAATACTACATAGCCACGATGGCCCTGATCACAGCCTCCACTGCGTTGACCATCATGGTG ATGAATATCCACTTCTGTGGGGCCGAGGCCCGGCCGGTGCCACACTGGGCCAGGGTGGTC ATCCTGAAATACATGTCCAGGGTCTTGTTTGTCTATGATGTGGGTGAAAGCTGCCTCAGC CCGCACCACAGTAGAGAGCGGGACCACCTCACGAAAGTTTATAGCAAACTCCCAGAGTCT AACCTGAAAGCAGCCAGGAACAAAGACCTTTCCAGAAAGAAGGACATGAACAAACGCTTA AAGAACGACCTGGGCTGCCAGGGTAAGAACCCTCAGGAGGCCGAGAGTTACTGTGCACAG TACAAAGTGCTGACGAGGAATATTGAGTACATCGCCAAGTGCCTCAAAGACCACAAGGCC ACCAATTCCAAGGGGAGTGAATGGAAGAAGGTGGCGAAAGTCATAGACCGATTCTTCATG TGGATTTTTTTCATTATGGTGTTTGTGATGACTATTTTGATCATAGCAAGAGCGGATTAG |
GenBank Gene ID | AJ243342 |
GeneCard ID | None |
GenAtlas ID | CHRNA9 |
HGNC ID | HGNC:14079 |
Chromosome Location | 4 |
Locus | 4p14 |
References |
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