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Entry version 156 (12 Aug 2020)
Sequence version 2 (23 Jan 2007)
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Protein

Frequenin-1

Gene

Frq1

Organism
Drosophila melanogaster (Fruit fly)
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 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

Ca2+-dependent modulation of synaptic efficacy.1 Publication

Miscellaneous

May bind 3 calcium ions via the second, third and fourth EF-hand.By similarity

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section specifies the position(s) of the calcium-binding region(s) within the protein. One common calcium-binding motif is the EF-hand, but other calcium-binding motifs also exist.<p><a href='/help/ca_bind' target='_top'>More...</a></p>Calcium bindingi73 – 841PROSITE-ProRule annotationAdd BLAST12
Calcium bindingi109 – 1202PROSITE-ProRule annotationAdd BLAST12
Calcium bindingi156 – 1673PROSITE-ProRule annotationAdd BLAST12

<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

LigandCalcium, Metal-binding

<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:
Frequenin-1
Alternative name(s):
d-FRQ
<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:Frq1
Synonyms:Frq
ORF Names:CG5744
<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>OrganismiDrosophila melanogaster (Fruit fly)
<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 identifieri7227 [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 lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<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
  • UP000000803 <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 X

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0030897, Frq1

<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

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 <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemovedBy similarity
<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_00000738002 – 187Frequenin-1Add BLAST186

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(s) and the type of covalently attached lipid group(s).<p><a href='/help/lipid' target='_top'>More...</a></p>Lipidationi2N-myristoyl glycineBy similarity1

Keywords - PTMi

Lipoprotein, Myristate

Proteomic databases

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

More...
PaxDbi
P37236

<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

Enriched in synapses, such as the motor nerve endings at neuromuscular junctions.1 Publication

<p>This subsection of the 'Expression' section provides information on the expression of the gene product at various stages of a cell, tissue or organism development. By default, the information is derived from experiments at the mRNA level, unless specified 'at the protein level'.<p><a href='/help/developmental_stage' target='_top'>More...</a></p>Developmental stagei

Expressed throughout development.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0030897, Expressed in brain and 25 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P37236, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P37236, 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
59117, 3 interactors

Database of interacting proteins

More...
DIPi
DIP-23066N

Protein interaction database and analysis system

More...
IntActi
P37236, 3 interactors

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0074319

<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
P37236

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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">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>Domaini24 – 59EF-hand 1PROSITE-ProRule annotationAdd BLAST36
Domaini60 – 95EF-hand 2PROSITE-ProRule annotationAdd BLAST36
Domaini96 – 131EF-hand 3PROSITE-ProRule annotationAdd BLAST36
Domaini143 – 178EF-hand 4PROSITE-ProRule annotationAdd BLAST36

<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 recoverin family.Curated

Keywords - Domaini

Repeat

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0044, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000163010

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_072366_1_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P37236

KEGG Orthology (KO)

More...
KOi
K19932

Identification of Orthologs from Complete Genome Data

More...
OMAi
EFQGIYK

Database of Orthologous Groups

More...
OrthoDBi
1369072at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P37236

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00051, EFh, 2 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011992, EF-hand-dom_pair
IPR018247, EF_Hand_1_Ca_BS
IPR002048, EF_hand_dom
IPR028846, Recoverin

The PANTHER Classification System

More...
PANTHERi
PTHR23055, PTHR23055, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00036, EF-hand_1, 1 hit
PF13499, EF-hand_7, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00054, EFh, 3 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF47473, SSF47473, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00018, EF_HAND_1, 3 hits
PS50222, EF_HAND_2, 3 hits

<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>Sequence (1+)i

<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.

<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 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

P37236-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MGKKSSKLKQ DTIDRLTTDT YFTEKEIRQW HKGFLKDCPN GLLTEQGFIK
60 70 80 90 100
IYKQFFPQGD PSKFASLVFR VFDENNDGSI EFEEFIRALS VTSKGNLDEK
110 120 130 140 150
LQWAFRLYDV DNDGYITREE MYNIVDAIYQ MVGQQPQSED ENTPQKRVDK
160 170 180
IFDQMDKNHD GKLTLEEFRE GSKADPRIVQ ALSLGGG
Length:187
Mass (Da):21,668
Last modified:January 23, 2007 - 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:iEE4C4022C1DDC77E
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
M9PHW6M9PHW6_DROME
Frequenin 1, isoform D
Frq1 Dmel\CG5744, Frq, frq, frq1, HL-II
187Annotation score:

Annotation score:1 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
L08064 Genomic DNA Translation: AAA28539.1
AE014298 Genomic DNA Translation: AAG22356.1
AE014298 Genomic DNA Translation: ABC67191.1

NCBI Reference Sequences

More...
RefSeqi
NP_001033853.1, NM_001038764.2
NP_001259673.1, NM_001272744.1
NP_001259674.1, NM_001272745.1
NP_573271.1, NM_133043.3

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0074545; FBpp0074319; FBgn0030897
FBtr0100239; FBpp0099625; FBgn0030897
FBtr0335119; FBpp0307120; FBgn0030897
FBtr0335120; FBpp0307121; FBgn0030897

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
32797

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG5744

UCSC genome browser

More...
UCSCi
CG5744-RC, d. melanogaster

<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
L08064 Genomic DNA Translation: AAA28539.1
AE014298 Genomic DNA Translation: AAG22356.1
AE014298 Genomic DNA Translation: ABC67191.1
RefSeqiNP_001033853.1, NM_001038764.2
NP_001259673.1, NM_001272744.1
NP_001259674.1, NM_001272745.1
NP_573271.1, NM_133043.3

3D structure databases

SMRiP37236
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi59117, 3 interactors
DIPiDIP-23066N
IntActiP37236, 3 interactors
STRINGi7227.FBpp0074319

Proteomic databases

PaxDbiP37236

Genome annotation databases

EnsemblMetazoaiFBtr0074545; FBpp0074319; FBgn0030897
FBtr0100239; FBpp0099625; FBgn0030897
FBtr0335119; FBpp0307120; FBgn0030897
FBtr0335120; FBpp0307121; FBgn0030897
GeneIDi32797
KEGGidme:Dmel_CG5744
UCSCiCG5744-RC, d. melanogaster

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
32797
FlyBaseiFBgn0030897, Frq1

Phylogenomic databases

eggNOGiKOG0044, Eukaryota
GeneTreeiENSGT00940000163010
HOGENOMiCLU_072366_1_0_1
InParanoidiP37236
KOiK19932
OMAiEFQGIYK
OrthoDBi1369072at2759
PhylomeDBiP37236

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
32797, 0 hits in 1 CRISPR screen

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

More...
GenomeRNAii
32797

Protein Ontology

More...
PROi
PR:P37236

Gene expression databases

BgeeiFBgn0030897, Expressed in brain and 25 other tissues
ExpressionAtlasiP37236, baseline and differential
GenevisibleiP37236, DM

Family and domain databases

CDDicd00051, EFh, 2 hits
InterProiView protein in InterPro
IPR011992, EF-hand-dom_pair
IPR018247, EF_Hand_1_Ca_BS
IPR002048, EF_hand_dom
IPR028846, Recoverin
PANTHERiPTHR23055, PTHR23055, 1 hit
PfamiView protein in Pfam
PF00036, EF-hand_1, 1 hit
PF13499, EF-hand_7, 1 hit
SMARTiView protein in SMART
SM00054, EFh, 3 hits
SUPFAMiSSF47473, SSF47473, 1 hit
PROSITEiView protein in PROSITE
PS00018, EF_HAND_1, 3 hits
PS50222, EF_HAND_2, 3 hits

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 nameiFREQ_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: P37236
Secondary accession number(s): A4V4Q8
<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: October 1, 1994
Last sequence update: January 23, 2007
Last modified: August 12, 2020
This is version 156 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 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

Reference proteome

Documents

  1. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  2. SIMILARITY comments
    Index of protein domains and families
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