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Entry version 150 (02 Dec 2020)
Sequence version 2 (24 May 2005)
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Protein

Reticulocalbin-2

Gene

Rcn2

Organism
Rattus norvegicus (Rat)
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

Not known. Binds calcium.

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 bindingi77 – 881PROSITE-ProRule annotationAdd BLAST12
Calcium bindingi113 – 1242PROSITE-ProRule annotationAdd BLAST12
Calcium bindingi165 – 1763; possibly ancestralPROSITE-ProRule annotationAdd BLAST12
Calcium bindingi202 – 2134PROSITE-ProRule annotationAdd BLAST12
Calcium bindingi243 – 2545PROSITE-ProRule annotationAdd BLAST12
Calcium bindingi279 – 2906PROSITE-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

  • calcium ion binding Source: GO_Central

<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:
Reticulocalbin-2
Alternative name(s):
Calcium-binding protein ERC-55
Taipoxin-associated calcium-binding protein 49
Short name:
TCBP-49
<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:Rcn2
Synonyms:Erc55
<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>OrganismiRattus norvegicus (Rat)
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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 8

Organism-specific databases

Rat genome database

More...
RGDi
3548, Rcn2

<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

Keywords - Cellular componenti

Endoplasmic reticulum

<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 – 251 PublicationAdd BLAST25
<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_000000415026 – 320Reticulocalbin-2Add BLAST295

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<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 residuei140PhosphothreonineBy similarity1

Keywords - PTMi

Phosphoprotein

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q62703

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

More...
PaxDbi
Q62703

PRoteomics IDEntifications database

More...
PRIDEi
Q62703

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q62703

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q62703

<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

Ubiquitous.

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000015780, Expressed in frontal cortex and 21 other tissues

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q62703, RN

<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

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Binds the snake venom phospholipase complex taipoxin.

1 Publication

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
247896, 1 interactor

CORUM comprehensive resource of mammalian protein complexes

More...
CORUMi
Q62703

Protein interaction database and analysis system

More...
IntActi
Q62703, 1 interactor

Molecular INTeraction database

More...
MINTi
Q62703

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000021817

<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
Q62703

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>Domaini64 – 99EF-hand 1PROSITE-ProRule annotationAdd BLAST36
Domaini100 – 135EF-hand 2PROSITE-ProRule annotationAdd BLAST36
Domaini150 – 185EF-hand 3PROSITE-ProRule annotationAdd BLAST36
Domaini189 – 224EF-hand 4PROSITE-ProRule annotationAdd BLAST36
Domaini230 – 265EF-hand 5PROSITE-ProRule annotationAdd BLAST36
Domaini266 – 301EF-hand 6PROSITE-ProRule annotationAdd BLAST36

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi317 – 320Prevents secretion from ERPROSITE-ProRule annotation4

<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 CREC family.Curated

Keywords - Domaini

Repeat, Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG4223, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT01010000222360

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_044718_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q62703

Identification of Orthologs from Complete Genome Data

More...
OMAi
NELKAWI

Database of Orthologous Groups

More...
OrthoDBi
909079at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q62703

Family and domain databases

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

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF13202, EF-hand_5, 2 hits
PF13499, EF-hand_7, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00054, EFh, 5 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF47473, SSF47473, 2 hits

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00018, EF_HAND_1, 5 hits
PS50222, EF_HAND_2, 5 hits
PS00014, ER_TARGET, 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.

<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.

Q62703-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MRLGPRPAVL GLLLLLLLYA AVAGASKAEE LHYPQGEHRA DYDRETLLGV
60 70 80 90 100
QEDVDEYVKL GHEEQQRRLQ SIIKKIDSDS DGFLTENELS QWIQMSFKHY
110 120 130 140 150
AMQEAKQQFV EYDKNSDGTV TWDEYNVQMY DRVIDFDENT ALDDTEEESF
160 170 180 190 200
RQLHLKDKKR FEKANQDSGP GLNLEEFIAF EHPEEVDYMT EFVIQEALEE
210 220 230 240 250
HDKNGDGFVS LEEFLGDYRR DPTANEDPEW ILVEKDRFVN DYDKDSDGRL
260 270 280 290 300
DPQELLSWVV PNNQGIAQEE ALHLIDEMDL NSDKKLSEEE ILENQDLFLT
310 320
SEATDYGRQL HDDYFYHDEL
Length:320
Mass (Da):37,433
Last modified:May 24, 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:i92CCA62B17E2D1BB
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 conflicti17 – 18Missing in AAA80197 (PubMed:7722520).Curated2
Sequence conflicti46T → A in AAA80197 (PubMed:7722520).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
U15734 mRNA Translation: AAA80197.1
BC061962 mRNA Translation: AAH61962.1

Protein sequence database of the Protein Information Resource

More...
PIRi
I56519

NCBI Reference Sequences

More...
RefSeqi
NP_058828.2, NM_017132.2

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000021817; ENSRNOP00000021817; ENSRNOG00000015780

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
29218

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:29218

UCSC genome browser

More...
UCSCi
RGD:3548, rat

<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
U15734 mRNA Translation: AAA80197.1
BC061962 mRNA Translation: AAH61962.1
PIRiI56519
RefSeqiNP_058828.2, NM_017132.2

3D structure databases

SMRiQ62703
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi247896, 1 interactor
CORUMiQ62703
IntActiQ62703, 1 interactor
MINTiQ62703
STRINGi10116.ENSRNOP00000021817

PTM databases

iPTMnetiQ62703
PhosphoSitePlusiQ62703

Proteomic databases

jPOSTiQ62703
PaxDbiQ62703
PRIDEiQ62703

Genome annotation databases

EnsembliENSRNOT00000021817; ENSRNOP00000021817; ENSRNOG00000015780
GeneIDi29218
KEGGirno:29218
UCSCiRGD:3548, rat

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
5955
RGDi3548, Rcn2

Phylogenomic databases

eggNOGiKOG4223, Eukaryota
GeneTreeiENSGT01010000222360
HOGENOMiCLU_044718_0_0_1
InParanoidiQ62703
OMAiNELKAWI
OrthoDBi909079at2759
PhylomeDBiQ62703

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q62703

Gene expression databases

BgeeiENSRNOG00000015780, Expressed in frontal cortex and 21 other tissues
GenevisibleiQ62703, RN

Family and domain databases

InterProiView protein in InterPro
IPR011992, EF-hand-dom_pair
IPR018247, EF_Hand_1_Ca_BS
IPR002048, EF_hand_dom
PfamiView protein in Pfam
PF13202, EF-hand_5, 2 hits
PF13499, EF-hand_7, 1 hit
SMARTiView protein in SMART
SM00054, EFh, 5 hits
SUPFAMiSSF47473, SSF47473, 2 hits
PROSITEiView protein in PROSITE
PS00018, EF_HAND_1, 5 hits
PS50222, EF_HAND_2, 5 hits
PS00014, ER_TARGET, 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 nameiRCN2_RAT
<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: Q62703
Secondary accession number(s): Q6P6X5
<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: November 1, 1997
Last sequence update: May 24, 2005
Last modified: December 2, 2020
This is version 150 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

Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
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