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Entry version 125 (16 Oct 2019)
Sequence version 1 (01 Oct 2002)
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Protein
Submitted name:

5-hydroxytryptamine receptor 3A

Gene

Htr3a

Organism
Mus musculus (Mouse)
Status
Unreviewed-Annotation score:

Annotation score:2 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionIon channelUniRule annotation, ReceptorImported
Biological processIon transport, Transport

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Submitted name:
5-hydroxytryptamine receptor 3AImported
Submitted name:
5-hydroxytryptamine receptor 3A short splice variantImported
Submitted name:
Htr3a proteinImported
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Htr3aImported
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMus musculus (Mouse)Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10090 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000589 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 9

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:96282 Htr3a

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei248 – 271HelicalSequence analysisAdd BLAST24
Transmembranei283 – 304HelicalSequence analysisAdd BLAST22
Transmembranei310 – 332HelicalSequence analysisAdd BLAST23
Transmembranei457 – 480HelicalSequence analysisAdd BLAST24

Keywords - Cellular componenti

Membrane

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 23Sequence analysisAdd BLAST23
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_501509925724 – 483Sequence analysisAdd BLAST460

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini41 – 247Neur_chan_LBDInterPro annotationAdd BLAST207
Domaini254 – 473Neur_chan_membInterPro annotationAdd BLAST220

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the ligand-gated ion channel (TC 1.A.9) family. [View classification]UniRule annotationSAAS annotation

Keywords - Domaini

SignalSequence analysis, Transmembrane, Transmembrane helixSequence analysisSAAS annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG3645 Eukaryota
ENOG410XQGR LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000157705

KEGG Orthology (KO)

More...
KOi
K04819

Identification of Orthologs from Complete Genome Data

More...
OMAi
ACTLNIY

Database of Orthologous Groups

More...
OrthoDBi
611108at2759

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.70.170.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR008132 5HT3_rcpt
IPR008133 5HT3_rcpt_A
IPR006202 Neur_chan_lig-bd
IPR036734 Neur_chan_lig-bd_sf
IPR006201 Neur_channel
IPR036719 Neuro-gated_channel_TM_sf
IPR006029 Neurotrans-gated_channel_TM
IPR018000 Neurotransmitter_ion_chnl_CS

The PANTHER Classification System

More...
PANTHERi
PTHR18945 PTHR18945, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02931 Neur_chan_LBD, 1 hit
PF02932 Neur_chan_memb, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR01709 5HT3ARECEPTR
PR01708 5HT3RECEPTOR
PR00252 NRIONCHANNEL

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF63712 SSF63712, 1 hit
SSF90112 SSF90112, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00860 LIC, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00236 NEUROTR_ION_CHANNEL, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry has 1 described isoform and 2 potential isoforms that are computationally mapped.Show allAlign All

Q8K1F4-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MRLCIPQVLL ALFLSMLTAP GEGSRRRATQ ARDTTQPALL RLSDHLLANY
60 70 80 90 100
KKGVRPVRDW RKPTTVSIDV IMYAILNVDE KNQVLTTYIW YRQYWTDEFL
110 120 130 140 150
QWTPEDFDNV TKLSIPTDSI WVPDILINEF VDVGKSPNIP YVYVHHRGEV
160 170 180 190 200
QNYKPLQLVT ACSLDIYNFP FDVQNCSLTF TSWLHTIQDI NITLWRSPEE
210 220 230 240 250
VRSDKSIFIN QGEWELLEVF PQFKEFSIDI SNSYAEMKFY VIIRRRPLFY
260 270 280 290 300
AVSLLLPSIF LMVVDIVGFC LPPDSGERVS FKITLLLGYS VFLIIVSDTL
310 320 330 340 350
PATAIGTPLI GVYFVVCMAL LVISLAETIF IVRLVHKQDL QRPVPDWLRH
360 370 380 390 400
LVLDRIAWIL CLGEQPMAHR PPATFQANKT DDCSAMGNHC SHVGGPQDLE
410 420 430 440 450
KTPRGRGSPL PPPREASLAV RGLLQELSSI RHFLEKRDEM REVARDWLRV
460 470 480
GYVLDRLLFR IYLLAVLAYS ITLVTLWSIW HYS
Length:483
Mass (Da):55,643
Last modified:October 1, 2002 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iBBE70BFD60E2E02C
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There are 2 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
P239795HT3A_MOUSE
5-hydroxytryptamine receptor 3A
Htr3a 5ht3, Htr3
487Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
E9QLC0E9QLC0_MOUSE
5-hydroxytryptamine receptor 3A
Htr3a
489Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
CT009741 Genomic DNA No translation available.
BC145743 mRNA Translation: AAI45744.1
AF513221 mRNA Translation: AAM47014.1

NCBI Reference Sequences

More...
RefSeqi
NP_001093114.1, NM_001099644.1
NP_038589.2, NM_013561.2

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000217289; ENSMUSP00000150647; ENSMUSG00000032269

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
15561

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:15561

UCSC genome browser

More...
UCSCi
uc009pio.1 mouse

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CT009741 Genomic DNA No translation available.
BC145743 mRNA Translation: AAI45744.1
AF513221 mRNA Translation: AAM47014.1
RefSeqiNP_001093114.1, NM_001099644.1
NP_038589.2, NM_013561.2

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Genome annotation databases

EnsembliENSMUST00000217289; ENSMUSP00000150647; ENSMUSG00000032269
GeneIDi15561
KEGGimmu:15561
UCSCiuc009pio.1 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
3359
MGIiMGI:96282 Htr3a

Phylogenomic databases

eggNOGiKOG3645 Eukaryota
ENOG410XQGR LUCA
GeneTreeiENSGT00940000157705
KOiK04819
OMAiACTLNIY
OrthoDBi611108at2759

Miscellaneous databases

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Family and domain databases

Gene3Di2.70.170.10, 1 hit
InterProiView protein in InterPro
IPR008132 5HT3_rcpt
IPR008133 5HT3_rcpt_A
IPR006202 Neur_chan_lig-bd
IPR036734 Neur_chan_lig-bd_sf
IPR006201 Neur_channel
IPR036719 Neuro-gated_channel_TM_sf
IPR006029 Neurotrans-gated_channel_TM
IPR018000 Neurotransmitter_ion_chnl_CS
PANTHERiPTHR18945 PTHR18945, 1 hit
PfamiView protein in Pfam
PF02931 Neur_chan_LBD, 1 hit
PF02932 Neur_chan_memb, 1 hit
PRINTSiPR01709 5HT3ARECEPTR
PR01708 5HT3RECEPTOR
PR00252 NRIONCHANNEL
SUPFAMiSSF63712 SSF63712, 1 hit
SSF90112 SSF90112, 1 hit
TIGRFAMsiTIGR00860 LIC, 1 hit
PROSITEiView protein in PROSITE
PS00236 NEUROTR_ION_CHANNEL, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiQ8K1F4_MOUSE
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q8K1F4
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/TrEMBL: October 1, 2002
Last sequence update: October 1, 2002
Last modified: October 16, 2019
This is version 125 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiUnreviewed (UniProtKB/TrEMBL)

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Proteomics identificationCombined sources, Reference proteomeImported
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Main funding by: National Institutes of Health

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