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Entry version 127 (07 Oct 2020)
Sequence version 2 (01 Feb 2005)
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Protein

Green-sensitive opsin-4

Gene

opn1mw4

Organism
Danio rerio (Zebrafish) (Brachydanio rerio)
Status
Reviewed-Annotation score:

Annotation score:4 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

Visual pigments are the light-absorbing molecules that mediate vision. They consist of an apoprotein, opsin, covalently linked to cis-retinal.

<p>This subsection of the 'Function' section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Absorptioni

Abs(max)=505 nm1 Publication

<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

  • G protein-coupled photoreceptor activity Source: GO_Central
  • photoreceptor activity Source: UniProtKB

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, Photoreceptor protein, Receptor, Retinal protein, Transducer
Biological processSensory transduction, Vision
LigandChromophore

<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%5Fand%5Ftaxonomy%5Fsection">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:
Green-sensitive opsin-4
Alternative name(s):
Green cone photoreceptor pigment 4
Opsin RH2-4
Opsin-1, medium-wave-sensitive 4
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:opn1mw4
Synonyms:grops2, rh24
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiDanio rerio (Zebrafish) (Brachydanio rerio)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri7955 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiOstariophysiCypriniformesDanionidaeDanioninaeDanio
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000000437 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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 6

Organism-specific databases

Zebrafish Information Network genome database

More...
ZFINi
ZDB-GENE-990604-43, opn1mw4

<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%5Flocation%5Fsection">'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 domaini1 – 36ExtracellularSequence analysisAdd BLAST36
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'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>Transmembranei37 – 61Helical; Name=1Sequence analysisAdd BLAST25
Topological domaini62 – 73CytoplasmicSequence analysisAdd BLAST12
Transmembranei74 – 99Helical; Name=2Sequence analysisAdd BLAST26
Topological domaini100 – 113ExtracellularSequence analysisAdd BLAST14
Transmembranei114 – 133Helical; Name=3Sequence analysisAdd BLAST20
Topological domaini134 – 152CytoplasmicSequence analysisAdd BLAST19
Transmembranei153 – 176Helical; Name=4Sequence analysisAdd BLAST24
Topological domaini177 – 202ExtracellularSequence analysisAdd BLAST26
Transmembranei203 – 230Helical; Name=5Sequence analysisAdd BLAST28
Topological domaini231 – 252CytoplasmicSequence analysisAdd BLAST22
Transmembranei253 – 276Helical; Name=6Sequence analysisAdd BLAST24
Topological domaini277 – 284ExtracellularSequence analysis8
Transmembranei285 – 309Helical; Name=7Sequence analysisAdd BLAST25
Topological domaini310 – 349CytoplasmicSequence analysisAdd BLAST40

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 describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001977781 – 349Green-sensitive opsin-4Add BLAST349

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">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>Glycosylationi2N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi15N-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 bondi110 ↔ 187PROSITE-ProRule annotation
Glycosylationi200N-linked (GlcNAc...) asparagineSequence analysis1
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei296N6-(retinylidene)lysineBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Phosphorylated on some or all of the serine and threonine residues present in the C-terminal region.By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein, Phosphoprotein

Proteomic databases

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

More...
PaxDbi
Q9W6A6

<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

<p>This subsection of the 'Expression' section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified 'at protein level'.<br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Retinal double cone accessory photoreceptor cell outer segments.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSDARG00000000638, Expressed in head and 5 other tissues

<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

STRING: functional protein association networks

More...
STRINGi
7955.ENSDARP00000000979

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q9W6A6

Database of comparative protein structure models

More...
ModBasei
Search...

<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

Belongs to the G-protein coupled receptor 1 family. Opsin subfamily.PROSITE-ProRule annotation

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG3656, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00960000186618

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_009579_3_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9W6A6

KEGG Orthology (KO)

More...
KOi
K04250

Identification of Orthologs from Complete Genome Data

More...
OMAi
VCKPMGN

Database of Orthologous Groups

More...
OrthoDBi
940057at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9W6A6

TreeFam database of animal gene trees

More...
TreeFami
TF324998

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000276, GPCR_Rhodpsn
IPR017452, GPCR_Rhodpsn_7TM
IPR001760, Opsin
IPR027430, Retinal_BS
IPR000732, Rhodopsin
IPR019477, Rhodopsin_N

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00001, 7tm_1, 1 hit
PF10413, Rhodopsin_N, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00237, GPCRRHODOPSN
PR00238, OPSIN
PR00579, RHODOPSIN

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00237, G_PROTEIN_RECEP_F1_1, 1 hit
PS50262, G_PROTEIN_RECEP_F1_2, 1 hit
PS00238, OPSIN, 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%5Flength">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>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

Q9W6A6-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MNGTEGNNFY IPLSNRTGLA RSPYEYPQYY LAEPWQFKLL AVYMFFLICL
60 70 80 90 100
GFPINGLTLL VTAQHKKLRQ PLNFILVNLA VAGTIMVCFG FTVTFYTAIN
110 120 130 140 150
GYFVLGPTGC AIEGFMATLG GEVALWSLVV LAVERYIVVC KPMGSFKFSA
160 170 180 190 200
SHAFAGCAFT WVMAMACAAP PLVGWSRYIP EGMQCSCGPD YYTLNPEYNN
210 220 230 240 250
ESYVLYMFIC HFILPVTIIF FTYGRLVCTV KAAAAQQQES ESTQKAEREV
260 270 280 290 300
TRMVILMVLG FLIAWTPYAT VAAWIFFNKG AAFSAQFMAV PAFFSKTSAL
310 320 330 340
YNPVIYVLLN KQFRNCMLTT LFCGKNPLGD DESSTVSTSK TEVSSVSPA
Length:349
Mass (Da):38,706
Last modified:February 1, 2005 - v2
<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:iA099DDC6F00B740D
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti176S → P in AAD24753 (PubMed:10349976).Curated1

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
AF109370 mRNA Translation: AAD24753.1
AB087808 Genomic DNA Translation: BAC24132.1
AL732567 Genomic DNA Translation: CAD87809.1
BC059503 mRNA Translation: AAH59503.1

NCBI Reference Sequences

More...
RefSeqi
NP_571329.1, NM_131254.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSDART00000000678; ENSDARP00000000979; ENSDARG00000000638

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
30504

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dre:30504

<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
AF109370 mRNA Translation: AAD24753.1
AB087808 Genomic DNA Translation: BAC24132.1
AL732567 Genomic DNA Translation: CAD87809.1
BC059503 mRNA Translation: AAH59503.1
RefSeqiNP_571329.1, NM_131254.1

3D structure databases

SMRiQ9W6A6
ModBaseiSearch...

Protein-protein interaction databases

STRINGi7955.ENSDARP00000000979

Protein family/group databases

Information system for G protein-coupled receptors (GPCRs)

More...
GPCRDBi
Search...

Proteomic databases

PaxDbiQ9W6A6

Genome annotation databases

EnsembliENSDART00000000678; ENSDARP00000000979; ENSDARG00000000638
GeneIDi30504
KEGGidre:30504

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
30504
ZFINiZDB-GENE-990604-43, opn1mw4

Phylogenomic databases

eggNOGiKOG3656, Eukaryota
GeneTreeiENSGT00960000186618
HOGENOMiCLU_009579_3_0_1
InParanoidiQ9W6A6
KOiK04250
OMAiVCKPMGN
OrthoDBi940057at2759
PhylomeDBiQ9W6A6
TreeFamiTF324998

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9W6A6

Gene expression databases

BgeeiENSDARG00000000638, Expressed in head and 5 other tissues

Family and domain databases

InterProiView protein in InterPro
IPR000276, GPCR_Rhodpsn
IPR017452, GPCR_Rhodpsn_7TM
IPR001760, Opsin
IPR027430, Retinal_BS
IPR000732, Rhodopsin
IPR019477, Rhodopsin_N
PfamiView protein in Pfam
PF00001, 7tm_1, 1 hit
PF10413, Rhodopsin_N, 1 hit
PRINTSiPR00237, GPCRRHODOPSN
PR00238, OPSIN
PR00579, RHODOPSIN
PROSITEiView protein in PROSITE
PS00237, G_PROTEIN_RECEP_F1_1, 1 hit
PS50262, G_PROTEIN_RECEP_F1_2, 1 hit
PS00238, OPSIN, 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 nameiOPSG4_DANRE
<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: Q9W6A6
Secondary accession number(s): Q8AYM6
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 27, 2002
Last sequence update: February 1, 2005
Last modified: October 7, 2020
This is version 127 of the entry and version 2 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 programChordata Protein Annotation Program

<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

Reference proteome

Documents

  1. 7-transmembrane G-linked receptors
    List of 7-transmembrane G-linked receptor entries
  2. SIMILARITY comments
    Index of protein domains and families
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