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Identification
HMDB Protein ID HMDBP02566
Secondary Accession Numbers
  • 8065
Name 5-hydroxytryptamine receptor 1A
Synonyms
  1. 5-HT-1A
  2. 5-HT1A
  3. G-21
  4. Serotonin receptor 1A
Gene Name HTR1A
Protein Type Enzyme
Biological Properties
General Function Involved in G-protein coupled receptor protein signaling pathway
Specific Function This is one of the several different receptors for 5- hydroxytryptamine (serotonin), a biogenic hormone that functions as a neurotransmitter, a hormone, and a mitogen. The activity of this receptor is mediated by G proteins that inhibit adenylate cyclase activity
Pathways
  • 3-Methylthiofentanyl Action Pathway
  • Alfentanil Action Pathway
  • Alvimopan Action Pathway
  • Anileridine Action Pathway
  • Benzocaine Action Pathway
  • Bupivacaine Action Pathway
  • Buprenorphine Action Pathway
  • Carfentanil Action Pathway
  • Chloroprocaine Action Pathway
  • Citalopram Action Pathway
  • Cocaine Action Pathway
  • Codeine Action Pathway
  • Desipramine Action Pathway
  • Dezocine Action Pathway
  • Dibucaine Action Pathway
  • Dihydromorphine Action Pathway
  • Dimethylthiambutene Action Pathway
  • Diphenoxylate Action Pathway
  • Escitalopram Action Pathway
  • Ethylmorphine Action Pathway
  • Fentanyl Action Pathway
  • Fluoxetine Action Pathway
  • Heroin Action Pathway
  • Hydrocodone Action Pathway
  • Hydromorphone Action Pathway
  • Imipramine Action Pathway
  • Ketobemidone Action Pathway
  • Levallorphan Action Pathway
  • Levobupivacaine Action Pathway
  • Levomethadyl Acetate Action Action Pathway
  • Levorphanol Action Pathway
  • Lidocaine (Local Anaesthetic) Action Pathway
  • Mepivacaine Action Pathway
  • Methadone Action Pathway
  • Methadyl Acetate Action Pathway
  • Morphine Action Pathway
  • Nalbuphine Action Pathway
  • Naloxone Action Pathway
  • Naltrexone Action Pathway
  • Nicotine Action Pathway
  • Oxybuprocaine Action Pathway
  • Oxycodone Action Pathway
  • Oxymorphone Action Pathway
  • Pentazocine Action Pathway
  • Prilocaine Action Pathway
  • Procaine Action Pathway
  • Proparacaine Action Pathway
  • Propoxyphene Action Pathway
  • Remifentanil Action Pathway
  • Ropivacaine Action Pathway
  • Sufentanil Action Pathway
  • Tramadol Action Action Pathway
Reactions Not Available
GO Classification
Component
cell part
membrane part
intrinsic to membrane
integral to membrane
Process
signaling
signaling pathway
cell surface receptor linked signaling pathway
g-protein coupled receptor protein signaling pathway
Cellular Location
  1. Cell membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location Chromosome:5
Locus 5q11.2-q13
SNPs HTR1A
Gene Sequence
>1269 bp
ATGGATGTGCTCAGCCCTGGTCAGGGCAACAACACCACATCACCACCGGCTCCCTTTGAG
ACCGGCGGCAACACTACTGGTATCTCCGACGTGACCGTCAGCTACCAAGTGATCACCTCT
CTGCTGCTGGGCACGCTCATCTTCTGCGCGGTGCTGGGCAATGCGTGCGTGGTGGCTGCC
ATCGCCTTGGAGCGCTCCCTGCAGAACGTGGCCAATTATCTTATTGGCTCTTTGGCGGTC
ACCGACCTCATGGTGTCGGTGTTGGTGCTGCCCATGGCCGCGCTGTATCAGGTGCTCAAC
AAGTGGACACTGGGCCAGGTAACCTGCGACCTGTTCATCGCCCTCGACGTGCTGTGCTGC
ACCTCATCCATCTTGCACCTGTGCGCCATCGCGCTGGACAGGTACTGGGCCATCACGGAC
CCCATCGACTACGTGAACAAGAGGACGCCCCGGCGCGCCGCTGCGCTCATCTCGCTCACT
TGGCTTATTGGCTTCCTCATCTCTATCCCGCCCATGCTGGGCTGGCGCACCCCGGAAGAC
CGCTCGGACCCCGACGCATGCACCATTAGCAAGGATCATGGCTACACTATCTATTCCACC
TTTGGAGCTTTCTACATCCCGCTGCTGCTCATGCTGGTTCTCTATGGGCGCATATTCCGA
GCTGCGCGCTTCCGCATCCGCAAGACGGTCAAAAAGGTGGAGAAGACCGGAGCGGACACC
CGCCATGGAGCATCTCCCGCCCCGCAGCCCAAGAAGAGTGTGAATGGAGAGTCGGGGAGC
AGGAACTGGAGGCTGGGCGTGGAGAGCAAGGCTGGGGGTGCTCTGTGCGCCAATGGCGCG
GTGAGGCAAGGTGACGATGGCGCCGCCCTGGAGGTGATCGAGGTGCACCGAGTGGGCAAC
TCCAAAGAGCACTTGCCTCTGCCCAGCGAGGCTGGTCCTACCCCTTGTGCCCCCGCCTCT
TTCGAGAGGAAAAATGAGCGCAACGCCGAGGCGAAGCGCAAGATGGCCCTGGCCCGAGAG
AGGAAGACAGTGAAGACGCTGGGCATCATCATGGGCACCTTCATCCTCTGCTGGCTGCCC
TTCTTCATCGTGGCTCTTGTTCTGCCCTTCTGCGAGAGCAGCTGCCACATGCCCACCCTG
TTGGGCGCCATAATCAATTGGCTGGGCTACTCCAACTCTCTGCTTAACCCCGTCATTTAC
GCATACTTCAACAAGGACTTTCAAAACGCGTTTAAGAAGATCATTAAGTGTAAGTTCTGC
CGCCAGTGA
Protein Properties
Number of Residues 422
Molecular Weight 46106.3
Theoretical pI 9.05
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • 37-62
  • 74-98
  • 110-132
  • 153-178
  • 192-217
  • 346-367
  • 379-403
Protein Sequence
>5-hydroxytryptamine receptor 1A
MDVLSPGQGNNTTSPPAPFETGGNTTGISDVTVSYQVITSLLLGTLIFCAVLGNACVVAA
IALERSLQNVANYLIGSLAVTDLMVSVLVLPMAALYQVLNKWTLGQVTCDLFIALDVLCC
TSSILHLCAIALDRYWAITDPIDYVNKRTPRRAAALISLTWLIGFLISIPPMLGWRTPED
RSDPDACTISKDHGYTIYSTFGAFYIPLLLMLVLYGRIFRAARFRIRKTVKKVEKTGADT
RHGASPAPQPKKSVNGESGSRNWRLGVESKAGGALCANGAVRQGDDGAALEVIEVHRVGN
SKEHLPLPSEAGPTPCAPASFERKNERNAEAKRKMALARERKTVKTLGIIMGTFILCWLP
FFIVALVLPFCESSCHMPTLLGAIINWLGYSNSLLNPVIYAYFNKDFQNAFKKIIKCKFC
RQ
GenBank ID Protein 20379130
UniProtKB/Swiss-Prot ID P08908
UniProtKB/Swiss-Prot Entry Name 5HT1A_HUMAN
PDB IDs Not Available
GenBank Gene ID AF498978
GeneCard ID HTR1A
GenAtlas ID HTR1A
HGNC ID HGNC:5286
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Kitano T, Liu YH, Ueda S, Saitou N: Human-specific amino acid changes found in 103 protein-coding genes. Mol Biol Evol. 2004 May;21(5):936-44. Epub 2004 Mar 10. [PubMed:15014171 ]
  3. Vasilescu J, Zweitzig DR, Denis NJ, Smith JC, Ethier M, Haines DS, Figeys D: The proteomic reactor facilitates the analysis of affinity-purified proteins by mass spectrometry: application for identifying ubiquitinated proteins in human cells. J Proteome Res. 2007 Jan;6(1):298-305. [PubMed:17203973 ]
  4. Kobilka BK, Frielle T, Collins S, Yang-Feng T, Kobilka TS, Francke U, Lefkowitz RJ, Caron MG: An intronless gene encoding a potential member of the family of receptors coupled to guanine nucleotide regulatory proteins. Nature. 1987 Sep 3-9;329(6134):75-9. [PubMed:3041227 ]
  5. Parks CL, Chang LS, Shenk T: A polymerase chain reaction mediated by a single primer: cloning of genomic sequences adjacent to a serotonin receptor protein coding region. Nucleic Acids Res. 1991 Dec;19(25):7155-60. [PubMed:1766875 ]
  6. Aune TM, McGrath KM, Sarr T, Bombara MP, Kelley KA: Expression of 5HT1a receptors on activated human T cells. Regulation of cyclic AMP levels and T cell proliferation by 5-hydroxytryptamine. J Immunol. 1993 Aug 1;151(3):1175-83. [PubMed:8393041 ]
  7. Fargin A, Raymond JR, Lohse MJ, Kobilka BK, Caron MG, Lefkowitz RJ: The genomic clone G-21 which resembles a beta-adrenergic receptor sequence encodes the 5-HT1A receptor. Nature. 1988 Sep 22;335(6188):358-60. [PubMed:3138543 ]
  8. Nakhai B, Nielsen DA, Linnoila M, Goldman D: Two naturally occurring amino acid substitutions in the human 5-HT1A receptor: glycine 22 to serine 22 and isoleucine 28 to valine 28. Biochem Biophys Res Commun. 1995 May 16;210(2):530-6. [PubMed:7755630 ]
  9. Kawanishi Y, Harada S, Tachikawa H, Okubo T, Shiraishi H: Novel mutations in the promoter and coding region of the human 5-HT1A receptor gene and association analysis in schizophrenia. Am J Med Genet. 1998 Sep 7;81(5):434-9. [PubMed:9754630 ]