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Protein

Interleukin-21

Gene

Il21

Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at transcript leveli

Functioni

Cytokine with immunoregulatory activity. May promote the transition between innate and adaptive immunity. Induces the production of IgG1 and IgG3 in B-cells. May play a role in proliferation and maturation of natural killer (NK) cells in synergy with IL15. May regulate proliferation of mature B- and T-cells in response to activating stimuli. In synergy with IL15 and IL18 stimulates interferon gamma production in T-cells and NK cells (By similarity). During T-cell mediated immune response may inhibit dendritic cells (DC) activation and maturation (By similarity).By similarity

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Cytokine

Names & Taxonomyi

Protein namesi
Recommended name:
Interleukin-21
Short name:
IL-21
Gene namesi
Name:Il21
OrganismiRattus norvegicus (Rat)
Taxonomic identifieri10116 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciurognathiMuroideaMuridaeMurinaeRattus
ProteomesiUP000002494 Componenti: Chromosome 2

Organism-specific databases

RGDi1307384. Il21.

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 1717Sequence AnalysisAdd
BLAST
Chaini18 – 146129Interleukin-21PRO_0000313746Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi64 ↔ 115Sequence Analysis
Disulfide bondi71 ↔ 118Sequence Analysis
Glycosylationi85 – 851N-linked (GlcNAc...)Sequence Analysis

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PRIDEiA3QPB9.

Expressioni

Gene expression databases

GenevestigatoriA3QPB9.

Interactioni

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000023348.

Structurei

3D structure databases

ProteinModelPortaliA3QPB9.
SMRiA3QPB9. Positions 23-146.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the IL-15/IL-21 family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiNOG40525.
GeneTreeiENSGT00390000010494.
HOGENOMiHOG000113039.
HOVERGENiHBG052106.
InParanoidiA3QPB9.
KOiK05434.
OMAiDVKRHCE.
OrthoDBiEOG7M98JN.
PhylomeDBiA3QPB9.
TreeFamiTF336380.

Family and domain databases

InterProiIPR009079. 4_helix_cytokine-like_core.
IPR003443. IL-15/IL-21_fam.
IPR028151. IL-21.
[Graphical view]
PANTHERiPTHR14356. PTHR14356. 1 hit.
PfamiPF02372. IL15. 1 hit.
[Graphical view]
SUPFAMiSSF47266. SSF47266. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

A3QPB9-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MERTLVCLIL IFLGTVAHKS SPQRPDHLLI RLRHLMDIVE QLKIYENDLD
60 70 80 90 100
PELLTAPQDV KGQCEHEAFA CFQKAKLKPS NTGNNKTFIN DLLAQLRRRL
110 120 130 140
PAKRTGNKQR HMAKCPSCDL YEKKTPKEFL ERLKWLLQKM IHQHLS
Length:146
Mass (Da):17,065
Last modified:April 3, 2007 - v1
Checksum:i48F80086BC2557B9
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
DQ387062 mRNA. Translation: ABD52001.1.
RefSeqiNP_001102413.1. NM_001108943.2.
UniGeneiRn.214949.

Genome annotation databases

EnsembliENSRNOT00000023348; ENSRNOP00000023348; ENSRNOG00000017376.
GeneIDi365769.
KEGGirno:365769.
UCSCiRGD:1307384. rat.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
DQ387062 mRNA. Translation: ABD52001.1.
RefSeqiNP_001102413.1. NM_001108943.2.
UniGeneiRn.214949.

3D structure databases

ProteinModelPortaliA3QPB9.
SMRiA3QPB9. Positions 23-146.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000023348.

Proteomic databases

PRIDEiA3QPB9.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSRNOT00000023348; ENSRNOP00000023348; ENSRNOG00000017376.
GeneIDi365769.
KEGGirno:365769.
UCSCiRGD:1307384. rat.

Organism-specific databases

CTDi59067.
RGDi1307384. Il21.

Phylogenomic databases

eggNOGiNOG40525.
GeneTreeiENSGT00390000010494.
HOGENOMiHOG000113039.
HOVERGENiHBG052106.
InParanoidiA3QPB9.
KOiK05434.
OMAiDVKRHCE.
OrthoDBiEOG7M98JN.
PhylomeDBiA3QPB9.
TreeFamiTF336380.

Miscellaneous databases

NextBioi688003.
PROiA3QPB9.

Gene expression databases

GenevestigatoriA3QPB9.

Family and domain databases

InterProiIPR009079. 4_helix_cytokine-like_core.
IPR003443. IL-15/IL-21_fam.
IPR028151. IL-21.
[Graphical view]
PANTHERiPTHR14356. PTHR14356. 1 hit.
PfamiPF02372. IL15. 1 hit.
[Graphical view]
SUPFAMiSSF47266. SSF47266. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. Wu P.W.
    Submitted (FEB-2006) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: Sprague-Dawley.

Entry informationi

Entry nameiIL21_RAT
AccessioniPrimary (citable) accession number: A3QPB9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: April 3, 2007
Last modified: January 7, 2015
This is version 51 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.