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Entry version 121 (16 Oct 2019)
Sequence version 1 (01 May 2000)
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Protein

Probable G-protein coupled receptor Mth-like 1

Gene

mthl1

Organism
Drosophila melanogaster (Fruit fly)
Status
Reviewed-Annotation 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>
-Experimental evidence at transcript 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

GO - Biological processi

<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 functionG-protein coupled receptor, Receptor, Transducer

<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
Recommended name:
Probable G-protein coupled receptor Mth-like 1
Alternative name(s):
Protein methuselah-like 1
<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:mthl1
ORF Names:CG4521
<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>OrganismiDrosophila melanogaster (Fruit fly)
<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 identifieri7227 [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 lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<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
  • UP000000803 <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 X

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0030766 mthl1

<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 subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini38 – 335ExtracellularSequence analysisAdd BLAST298
<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>Transmembranei336 – 356Helical; Name=1Sequence analysisAdd BLAST21
Topological domaini357 – 365CytoplasmicSequence analysis9
Transmembranei366 – 386Helical; Name=2Sequence analysisAdd BLAST21
Topological domaini387 – 403ExtracellularSequence analysisAdd BLAST17
Transmembranei404 – 424Helical; Name=3Sequence analysisAdd BLAST21
Topological domaini425 – 441CytoplasmicSequence analysisAdd BLAST17
Transmembranei442 – 462Helical; Name=4Sequence analysisAdd BLAST21
Topological domaini463 – 488ExtracellularSequence analysisAdd BLAST26
Transmembranei489 – 509Helical; Name=5Sequence analysisAdd BLAST21
Topological domaini510 – 540CytoplasmicSequence analysisAdd BLAST31
Transmembranei541 – 561Helical; Name=6Sequence analysisAdd BLAST21
Topological domaini562ExtracellularSequence analysis1
Transmembranei563 – 583Helical; Name=7Sequence analysisAdd BLAST21
Topological domaini584 – 676CytoplasmicSequence analysisAdd BLAST93

Keywords - Cellular componenti

Cell membrane, 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 – 37Sequence analysisAdd BLAST37
<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_000001302338 – 676Probable G-protein coupled receptor Mth-like 1Add BLAST639

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi136N-linked (GlcNAc...) asparagineBy similarity1
Glycosylationi165N-linked (GlcNAc...) asparagineSequence analysis1
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi198 ↔ 283By similarity
Disulfide bondi199 ↔ 212By similarity
Disulfide bondi246 ↔ 298By similarity
Glycosylationi276N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi486N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q9VXD9

PRoteomics IDEntifications database

More...
PRIDEi
Q9VXD9

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0030766 Expressed in 23 organ(s), highest expression level in cleaving embryo

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9VXD9 differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9VXD9 DM

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
58973, 1 interactor

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0074089

<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

<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

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG4193 Eukaryota
ENOG410XSD2 LUCA

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9VXD9

KEGG Orthology (KO)

More...
KOi
K04599

Identification of Orthologs from Complete Genome Data

More...
OMAi
EVKIIAC

Database of Orthologous Groups

More...
OrthoDBi
1153592at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9VXD9

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR017981 GPCR_2-like
IPR000832 GPCR_2_secretin-like

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00002 7tm_2, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50261 G_PROTEIN_RECEP_F2_4, 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.

<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 in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Q9VXD9-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDRSRSSRAA SSNQFIRPCG LLTTVILLQT LVSMSLAIEE MSPPPAAPPR
60 70 80 90 100
PSPPPTVKLN KCCHSGEYLN DGTCIAGSEA LWLPMVYLVQ QQRFFEPHGA
110 120 130 140 150
SPRFLKFLPN TRPTCRKDQT TEIFRSRGAN VMLFPNGTLY VRERALMVQP
160 170 180 190 200
SDYCVDWEVA VVCLNDSQPI NALEDPDYAA NPLVQQEPPK ASLRLSKCCG
210 220 230 240 250
KWGSYNTQLQ NCDLQPNHQA AVDGLLRLSP QLPEGSYQTS YGLPDCGQPG
260 270 280 290 300
GYSIAGDWQD AKLDRNTAML QLPHKNLSAG QYCLEHTQRE GEVKIIACQH
310 320 330 340 350
LFSSAAGAGI HDGSIGGTIE QANGQNLQKA VLTGGILVSI VFLSATLVAG
360 370 380 390 400
FLLPAVHHAL HWRCQICYVT CLLFGKILLA IEELSSSLQP GSAACHTLAI
410 420 430 440 450
TMQFFFLAAF FWLNTMCFNI WWTFRDFRPS SLERNQEALR RYLYSLYAWG
460 470 480 490 500
GPLLITFVAA CVDQLPETTL LRPGFGQLYC WFDNRNLSIF AYFYGPIGLL
510 520 530 540 550
LCANIALFVS TTHQLTCGLW KRDDVKSSSE KSALGRVCLK LVVVMGVTWI
560 570 580 590 600
ADILSWLVGG PHGVWFFTDL INALQGVFIF IVVGCQPQVW TACRRIFCPR
610 620 630 640 650
LRHDITNTTN GVQHSSSSQG LPSMAGGTEI TQNTTTTTTT TNTTATHMPS
660 670
NPAEDEVPEK APIAPVAPIV KMETIC
Length:676
Mass (Da):74,466
Last modified:May 1, 2000 - 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:i99814D3D1300ACFD
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 is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
X2JC86X2JC86_DROME
Methuselah-like 1, isoform B
mthl1 anon-WO0170980.22, anon-WO0170980.23, Dmel\CG4521, Mist, mist
676Annotation 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>

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
AE014298 Genomic DNA Translation: AAF48635.1
AY118371 mRNA Translation: AAM48400.1

NCBI Reference Sequences

More...
RefSeqi
NP_001285340.1, NM_001298411.1
NP_573140.1, NM_132912.2

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0074314; FBpp0074089; FBgn0030766
FBtr0340150; FBpp0309136; FBgn0030766

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
32637

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG4521

<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
AE014298 Genomic DNA Translation: AAF48635.1
AY118371 mRNA Translation: AAM48400.1
RefSeqiNP_001285340.1, NM_001298411.1
NP_573140.1, NM_132912.2

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...

Protein-protein interaction databases

BioGridi58973, 1 interactor
STRINGi7227.FBpp0074089

Protein family/group databases

Information system for G protein-coupled receptors (GPCRs)

More...
GPCRDBi
Search...

Proteomic databases

PaxDbiQ9VXD9
PRIDEiQ9VXD9

Genome annotation databases

EnsemblMetazoaiFBtr0074314; FBpp0074089; FBgn0030766
FBtr0340150; FBpp0309136; FBgn0030766
GeneIDi32637
KEGGidme:Dmel_CG4521

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
32637
FlyBaseiFBgn0030766 mthl1

Phylogenomic databases

eggNOGiKOG4193 Eukaryota
ENOG410XSD2 LUCA
InParanoidiQ9VXD9
KOiK04599
OMAiEVKIIAC
OrthoDBi1153592at2759
PhylomeDBiQ9VXD9

Miscellaneous databases

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...
GenomeRNAii
32637

Protein Ontology

More...
PROi
PR:Q9VXD9

Gene expression databases

BgeeiFBgn0030766 Expressed in 23 organ(s), highest expression level in cleaving embryo
ExpressionAtlasiQ9VXD9 differential
GenevisibleiQ9VXD9 DM

Family and domain databases

InterProiView protein in InterPro
IPR017981 GPCR_2-like
IPR000832 GPCR_2_secretin-like
PfamiView protein in Pfam
PF00002 7tm_2, 1 hit
PROSITEiView protein in PROSITE
PS50261 G_PROTEIN_RECEP_F2_4, 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 nameiMTH1_DROME
<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: Q9VXD9
<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/Swiss-Prot: November 2, 2001
Last sequence update: May 1, 2000
Last modified: October 16, 2019
This is version 121 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 statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programDrosophila annotation project

<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, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. 7-transmembrane G-linked receptors
    List of 7-transmembrane G-linked receptor entries
  3. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
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