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Gene : XRN2 A. thaliana

DB identifier  ? AT5G42540 Secondary Identifier  ? locus:2152676
Name  ? exoribonuclease 2 Brief Description  exoribonuclease 2
TAIR Computational Description  exoribonuclease 2;(source:Araport11)
TAIR Curator Summary  Encodes a protein with similarity to yeast 5'-3'exonucleases and can functionally complement the yeast mutations. In Arabidopsis XRN2 acts as a suppressor of posttranscriptional gene silencing.
TAIR Short Description  exoribonuclease 2
TAIR Aliases  AtXRN2, XRN2

3 Gene Rifs

1 Organism

12 Publications

0 Synonyms

Genomics

Genome feature

Region: gene ? Length: 7481  
Location: Chr5:17007366-17014846

Gene models - XRN2 AT5G42540

? Gene models

Transcripts: 2  Exons: 44  Introns: 42 

Overlapping Features

? Genome features that overlap coordinates of this Gene

27 Child Features

0 Cross References

0 Downstream Intergenic Region

0 Located Features

1 Upstream Intergenic Region

Proteins

Curated comments from UniProt

Type Comment Proteins
F4K1L3_ARATH function Possesses 5'->3' exoribonuclease activity. Acts as an endogenous post-transcriptional gene silencing (PTGS) suppressor.
XRN2_ARATH function Possesses 5'->3' exoribonuclease activity (PubMed:11106401). Acts as an endogenous post-transcriptional gene silencing (PTGS) suppressor. Degrades miRNA-derived loops, excised during miRNA maturation in the nucleus (PubMed:17993620). Involved in pre-rRNA processing. Involved in the primary exonucleolytic shortening of the 5' external transcribed spacer (5'ETS), required for endonucleolytic processing at site P by the U3 snoRNP complex. Involved with XRN3 in the 5'-end processing of 5.8S and 25S rRNAs. Contributes with XRN3 to polyadenylation-dependent nuclear RNA surveillance. Involved in the degradation of aberrant polyadenylated pre-rRNA through 5'-end processing (PubMed:20338880).
F4K1L3_ARATH XRN2_ARATH similarity Belongs to the 5'-3' exonuclease family. XRN2/RAT1 subfamily.
XRN2_ARATH tissue specificity Expressed in roots, leaves, stems and flowers.

2 Proteins

Function

Interactions

Interaction Network

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Expression

eFP Visualization

Data Source: BAR




Co-expression

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Data Source: ATTED-II
Top N
LS: LS is a monotonic transformation (negative logit) of MR index. Larger LS indicates stronger co-expression.

 

Homology

Phytozome Homologs

Data Source: Phytozome


4 Homologues

 

Other

8 Data Sets