Tmic
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Name5-hydroxytryptamine receptor 1A
Synonyms
  • 5-HT-1A
  • ADRB2RL1
  • ADRBRL1
  • G-21
  • Serotonin receptor 1A
Gene NameHTR1A
OrganismHuman
Amino acid sequence
>lcl|BSEQ0018934|5-hydroxytryptamine receptor 1A
MDVLSPGQGNNTTSPPAPFETGGNTTGISDVTVSYQVITSLLLGTLIFCAVLGNACVVAA
IALERSLQNVANYLIGSLAVTDLMVSVLVLPMAALYQVLNKWTLGQVTCDLFIALDVLCC
TSSILHLCAIALDRYWAITDPIDYVNKRTPRRAAALISLTWLIGFLISIPPMLGWRTPED
RSDPDACTISKDHGYTIYSTFGAFYIPLLLMLVLYGRIFRAARFRIRKTVKKVEKTGADT
RHGASPAPQPKKSVNGESGSRNWRLGVESKAGGALCANGAVRQGDDGAALEVIEVHRVGN
SKEHLPLPSEAGPTPCAPASFERKNERNAEAKRKMALARERKTVKTLGIIMGTFILCWLP
FFIVALVLPFCESSCHMPTLLGAIINWLGYSNSLLNPVIYAYFNKDFQNAFKKIIKCKFC
RQ
Number of residues422
Molecular Weight46106.335
Theoretical pI9.05
GO Classification
Functions
  • serotonin receptor activity
Processes
  • vasoconstriction
  • regulation of behavior
  • cell proliferation
  • serotonin metabolic process
  • exploration behavior
  • G-protein coupled receptor signaling pathway
  • regulation of serotonin secretion
  • positive regulation of cell proliferation
  • adenylate cyclase-inhibiting serotonin receptor signaling pathway
  • serotonin receptor signaling pathway
  • behavioral fear response
  • regulation of dopamine metabolic process
  • regulation of hormone secretion
Components
  • plasma membrane
  • integral component of plasma membrane
General FunctionSerotonin receptor activity
Specific FunctionG-protein coupled receptor for 5-hydroxytryptamine (serotonin). Also functions as a receptor for various drugs and psychoactive substances. Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors, such as adenylate cyclase. Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways. Signaling inhibits adenylate cyclase activity and activates a phosphatidylinositol-calcium second messenger system that regulates the release of Ca(2+) ions from intracellular stores. Plays a role in the regulation of 5-hydroxytryptamine release and in the regulation of dopamine and 5-hydroxytryptamine metabolism. Plays a role in the regulation of dopamine and 5-hydroxytryptamine levels in the brain, and thereby affects neural activity, mood and behavior. Plays a role in the response to anxiogenic stimuli.
Pfam Domain Function
Transmembrane Regions37-62 74-98 111-132 153-178 192-217 346-367 379-403
GenBank Protein ID189928
UniProtKB IDP08908
UniProtKB Entry Name5HT1A_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0018935|5-hydroxytryptamine receptor 1A (HTR1A)
ATGGATGTGCTCAGCCCTGGTCAGGGCAACAACACCACATCACCACCGGCTCCCTTTGAG
ACCGGCGGCAACACTACTGGTATCTCCGACGTGACCGTCAGCTACCAAGTGATCACCTCT
CTGCTGCTGGGCACGCTCATCTTCTGCGCGGTGCTGGGCAATGCGTGCGTGGTGGCTGCC
ATCGCCTTGGAGCGCTCCCTGCAGAACGTGGCCAATTATCTTATTGGCTCTTTGGCGGTC
ACCGACCTCATGGTGTCGGTGTTGGTGCTGCCCATGGCCGCGCTGTATCAGGTGCTCAAC
AAGTGGACACTGGGCCAGGTAACCTGCGACCTGTTCATCGCCCTCGACGTGCTGTGCTGC
ACCTCATCCATCTTGCACCTGTGCGCCATCGCGCTGGACAGGTACTGGGCCATCACGGAC
CCCATCGACTACGTGAACAAGAGGACGCCCCGGCGCGCCGCTGCGCTCATCTCGCTCACT
TGGCTTATTGGCTTCCTCATCTCTATCCCGCCCATGCTGGGCTGGCGCACCCCGGAAGAC
CGCTCGGACCCCGACGCATGCACCATTAGCAAGGATCATGGCTACACTATCTATTCCACC
TTTGGAGCTTTCTACATCCCGCTGCTGCTCATGCTGGTTCTCTATGGGCGCATATTCCGA
GCTGCGCGCTTCCGCATCCGCAAGACGGTCAAAAAGGTGGAGAAGACCGGAGCGGACACC
CGCCATGGAGCATCTCCCGCCCCGCAGCCCAAGAAGAGTGTGAATGGAGAGTCGGGGAGC
AGGAACTGGAGGCTGGGCGTGGAGAGCAAGGCTGGGGGTGCTCTGTGCGCCAATGGCGCG
GTGAGGCAAGGTGACGATGGCGCCGCCCTGGAGGTGATCGAGGTGCACCGAGTGGGCAAC
TCCAAAGAGCACTTGCCTCTGCCCAGCGAGGCTGGTCCTACCCCTTGTGCCCCCGCCTCT
TTCGAGAGGAAAAATGAGCGCAACGCCGAGGCGAAGCGCAAGATGGCCCTGGCCCGAGAG
AGGAAGACAGTGAAGACGCTGGGCATCATCATGGGCACCTTCATCCTCTGCTGGCTGCCC
TTCTTCATCGTGGCTCTTGTTCTGCCCTTCTGCGAGAGCAGCTGCCACATGCCCACCCTG
TTGGGCGCCATAATCAATTGGCTGGGCTACTCCAACTCTCTGCTTAACCCCGTCATTTAC
GCATACTTCAACAAGGACTTTCAAAACGCGTTTAAGAAGATCATTAAGTGTAAGTTCTGC
CGCCAGTGA
GenBank Gene IDM28269
GeneCard IDNot Available
GenAtlas IDHTR1A
HGNC IDHGNC:5286
Chromosome Location5
Locus5q11.2-q13
References
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