NucEnvDB

NucEnvDB

A database of Nuclear Envelope Proteins and their Interactions

Protein pid-3 - Caenorhabditis elegans - NucEnvDB

Protein pid-3 (Caenorhabditis elegans)

FASTA TEXT XML

Subcellular Location Biology & Function Interactions Cross-References

General Information

Protein Information
Protein Name	Protein pid-3
Accession Code	O76616
Gene	pid
Organism	Caenorhabditis elegans (Taxonomy: 6239)
Part of Reference Proteome?	Yes
Sequence (Length: 307)
MVAHQKADFKSKWAMVVTVNNLNDKKRADLREFSEWFIETLRLEGAFIGHYFNYEAAPVTIVETLPGNFDSCTNAYQKIH KEHPQVVLVVHILPQSQSNEYEWMKVLASRYGFVRQGLLYDNCANRFQNVETDQNSVFRNMCQWIYRSGTAIVRNEGNAC GILHGKDPKPTFDKVLFNSEDIKDSVFKVLHAEEEPRGADQENMLKISGYPGMLNTFGIAQLLTPYRVNGITITGAQSAV VALENKFQVYQAVQDFNGKKLDRNHKLQVSSLVVSSPAVPLEWPSLKKSKKLVEQVGKPIRLSKVSS

Structure Viewer (PDB: 7OCZ)

Subcellular Location

Description
Cytoplasm {Experimental EvidencePubMed:31147388}. Cytoplasm, perinuclear region {Experimental EvidencePubMed:31147388}. Nucleus {ECO:0000269\|PubMed:31216475}. Note=Dispersedly distributes throughout the cytoplasm in early embryos (PubMed:31147388). During early embryogenesis, localizes to the nucleus at prophase of cell division, and remains in the cytosol at interphase in 2- and 4-cell embryos (PubMed:31216475). Localizes to puncta in the perinuclear region in the germline syncytium (PubMed:31147388). {Experimental EvidencePubMed:31147388, ECO:0000269\|PubMed:31216475}.
Position in the Nuclear Envelope
Location	Location ID	Description
Perinuclear Region	SL-0198	The perinuclear region is the cytoplasmic region just around the nucleus.
Membrane Topology
Topology	Source	Annotation Type
Unknown	UniProt	Sequence Analysis
Assigned Ontology terms

Cellular Component	Cytoplasm (GO:0005737) Nucleus (GO:0005634) Perinuclear Region Of Cytoplasm (GO:0048471) RNA Cap Binding Complex (GO:0034518)

Biology & Function

Description
Component of the pid-1 and tost-1 variants of the PETISCO complexes, which have roles in the biogenesis of a class of 21 nucleotide PIWI-interacting RNAs (piRNAs) that possess a uracil residue at the 5'-end (also called 21U-RNAs) and embryogenesis, respectively (PubMed:31147388, PubMed:31216475). Within the pid-1 variant of the PETISCO complex may stabilize 21U-RNA precursor molecules (PubMed:31147388). Promotes the biogenesis of 21U-RNAs (PubMed:31216475). Required for chromosome segregation and cell division in early embryos (PubMed:31216475). {Experimental EvidencePubMed:31147388, Experimental EvidencePubMed:31216475, Curator InferencePubMed:31216475}.
Assigned Ontology terms

Biological Process	21U-RNA Metabolic Process (GO:0034585) Cell Cycle (GO:0007049) Cell Division (GO:0051301) Chromosome Segregation (GO:0007059) Embryo Development Ending In Birth Or Egg Hatching (GO:0009792) RNA-Mediated Gene Silencing (GO:0031047) Positive Regulation Of Cell Division (GO:0051781) Positive Regulation Of Chromosome Segregation (GO:0051984)
Molecular Function

Protein-Protein Interactions

Interactions with Nuclear Envelope proteins (4 interactors)

Partner (NucEnvDB)		IntAct	Confidence score
Q09293	Embryonic developmental protein tofu-6	EBI-2415585	0.68
Q20057	Enhancer of rudimentary homolog 2	EBI-21449031	0.48
O61955	Eukaryotic translation initiation factor 4E-3	EBI-21449031	0.35
Q19541	Protein pid-1	EBI-21448974	0.56
Interactions with other proteins (3 interactors)

Partner (UniProt)		IntAct	Confidence score
A0A1D3PDA8	WD_REPEATS_REGION domain-containing protein	EBI-21449031	0.35
Q18490	Protein tost-1 (Twenty one u antagonist 1)	EBI-21449031	0.35
Q18244	CCHC-type domain-containing protein	EBI-21449880	0.35

Cross-References

Database	Links
UNIPROT	O76616
PDB	7D1L 7D2Y 7EJS 7O6N 7OCX 7OCZ

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