Pre Gene Modal
BGIBMGA006602
Annotation
PREDICTED:_poly(A)-specific_ribonuclease_PARN-like_domain-containing_protein_1_[Papilio_xuthus]
Full name
Pre-piRNA 3'-exonuclease trimmer
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Poly(A)-specific ribonuclease PNLDC1
Alternative Name
PARN-like domain-containing protein 1 homolog
PARN-like domain-containing protein 1
Poly(A)-specific ribonuclease domain-containing protein 1
Location in the cell
PlasmaMembrane   Reliability : 2.736
Sequence
CDS
ATGCCTGACCTGATTTTAACTTGCTCTTTCTATTTAAACATTCTCATATACAGAGACAAAAATGTTGAAGGAGCCAAAAATGCACCAATAGCAATACTGGAAGATAACTTAATAGCCTATTTACTGGGCTTCTTGCACGTAATAAAACTGCTAGAAACACACAAGAAGCCCATTGTAGGACACAACATGTTTTTGGATATGTTGTTCCTTCACAATCAATTCATAGGACCACTACCGGATAGTTATACAATGTTTAAAAAGAACATTAACAGTGTATTTCCAACTATATTTGATACTAAATATATATCGCATGCTATGAGTAAGAAACTCACTTTTTCTGAGTCTTGGAAATCAAATGCATTACAAGATTTGTATGAATTCTTCGCTGAAAGAAAATGTAAGAAACTTGAATATGGAATCAACATTGTACGACTGACCACACCATTTGATATTAAACAAAGCTATCATGAAGCCGGATGGGACGCTTACTGTTCAGGTTATTGCTTTATACGGCTCGGTCACTGGGCCGCCTGCGAGAACCGCGGCAAGTCTCACGTGATCGGACCCAGGGAGAAACTCGCAGCCCTAGCGCCTTACTGCAACAAGGTCAATGTTATAAGAGGTGGCGTTTCTTATATGAATTTCTCAGAAAACGATCCACCTCGGAACAGACCTGTCTTGTTGCACGTTAAATGTCTAAAAGACACCGTCATAGATGTTGAAAAGGTGGCGTCGCTACTGGGCAGCTTCGGTTCGATCGACATTAAGCCCTGTGGCAAGCGAGCCGCCTTGGTAGCGACCGGCGCACAGTTTATGGTAGACAAAATTCTGAAAACCTATGAAAACAACAGAGATTATAGAATTTCGAAATACAGTGTATACAAGCATTCAGTTGCAGGTCGCTTCGCTATCTGGAGCGGTTCGATTGTAACAGGCGGCCTGGCGTTATACTTAATTCATAAGAAATTTAAATCTATTTTGTTATAA
Protein
MPDLILTCSFYLNILIYRDKNVEGAKNAPIAILEDNLIAYLLGFLHVIKLLETHKKPIVGHNMFLDMLFLHNQFIGPLPDSYTMFKKNINSVFPTIFDTKYISHAMSKKLTFSESWKSNALQDLYEFFAERKCKKLEYGINIVRLTTPFDIKQSYHEAGWDAYCSGYCFIRLGHWAACENRGKSHVIGPREKLAALAPYCNKVNVIRGGVSYMNFSENDPPRNRPVLLHVKCLKDTVIDVEKVASLLGSFGSIDIKPCGKRAALVATGAQFMVDKILKTYENNRDYRISKYSVYKHSVAGRFAIWSGSIVTGGLALYLIHKKFKSILL
Summary
Description
3'-5' exonuclease that specifically cleaves precursor piRNAs (pre-piRNAs) at their 3' ends (PubMed:26919431). Trims pre-piRNAs to their mature size, a process required for piRNAs maturation and stabilization, and subsequent pre-piRNAs 2'-O-methylation (PubMed:26919431). The piRNA metabolic process mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and govern the methylation and subsequent repression of transposons (PubMed:26919431).
3'-exoribonuclease that has a preference for poly(A) tails of mRNAs, thereby efficiently degrading poly(A) tails (PubMed:27515512). Exonucleolytic degradation of the poly(A) tail is often the first step in the decay of eukaryotic mRNAs and is also used to silence certain maternal mRNAs translationally during oocyte maturation and early embryonic development (PubMed:27515512). May act as a regulator of multipotency in embryonic stem cells (PubMed:27515512).
Catalytic Activity
Exonucleolytic cleavage of poly(A) to 5'-AMP.
Subunit
Interacts with Papi/Tdrkh; interaction takes place on the mitochondrial surface and recruits PNLDC1/trimmer to PIWI-bound pre-piRNAs.
Similarity
Belongs to the CAF1 family.
Keywords
Complete proteome
Exonuclease
Hydrolase
Magnesium
Membrane
Metal-binding
Mitochondrion
Mitochondrion outer membrane
Nuclease
Reference proteome
RNA-binding
RNA-mediated gene silencing
Transmembrane
Transmembrane helix
Endoplasmic reticulum
Nonsense-mediated mRNA decay
Feature
chain Pre-piRNA 3'-exonuclease trimmer
EC Number
3.1.13.-
3.1.13.4
PDB
3D45
E-value=8.88738e-19,
Score=229
Ontologies
Topology
Subcellular location
Mitochondrion outer membrane
Endoplasmic reticulum membrane
Localizes mainly in the endoplasmic reticulum. With evidence from 5 publications.
Number of predicted TMHs:
1
Exp number of AAs in TMHs:
21.67408
Exp number, first 60 AAs:
1.75779
Total prob of N-in:
0.13807
Population Genetic Test Statistics