NPAP1 nuclear pore associated protein 1 [Homo sapiens (human)] - Gene

Summary

Official Symbol: NPAP1provided by HGNC
Official Full Name: nuclear pore associated protein 1provided by HGNC
Primary source: HGNC:HGNC:1190
See related: Ensembl:ENSG00000185823 MIM:610922; AllianceGenome:HGNC:1190
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Homo sapiens
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as: C15orf2
Summary: This intronless retrogene is located in the Prader-Willi syndrome region on chromosome 15. This gene exhibits tissue-specific imprinting. Expression in adult testis and brain is biallelic, while expression in fetal brain is monoallelic and only from the paternal chromosome. The encoded protein is associated with the nuclear pore complex. [provided by RefSeq, Mar 2021]
Orthologs: all
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Genomic context

Location:: 15q11.2

Exon count:: 1

Annotation release	Status	Assembly	Chr	Location
RS_2024_08	current	GRCh38.p14 (GCF_000001405.40)	15	NC_000015.10 (24675775..24683393)
RS_2024_08	current	T2T-CHM13v2.0 (GCF_009914755.1)	15	NC_060939.1 (22411441..22419055)
RS_2024_09	previous assembly	GRCh37.p13 (GCF_000001405.25)	15	NC_000015.9 (24920922..24928540)

Chromosome 15 - NC_000015.10 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

NPAP1 is specific to primate species and absent from the 15q11q13-orthologous regions in all nonprimate mammals.
Title: The imprinted NPAP1 gene in the Prader-Willi syndrome region belongs to a POM121-related family of retrogenes.
C15orf2 is part of the nuclear pore complex or its associated molecular networks.
Title: The imprinted NPAP1/C15orf2 gene in the Prader-Willi syndrome region encodes a nuclear pore complex associated protein.
C15orf2 gene is imprinted, with monoallelic expression from the paternal allele in fetal brain.
Title: C15orf2 and a novel noncoding transcript from the Prader-Willi/Angelman syndrome region show monoallelic expression in fetal brain.
These results indicate that C15orf2 might have an important role in human biology and that a deficiency of C15orf2 might contribute to Prader-Willi syndrome.
Title: The C15orf2 gene in the Prader-Willi syndrome region is subject to genomic imprinting and positive selection.
The results from this study show an involvement of microdeletions at 15q11.2 that predispose patients to idiopathic generalized epilepsies.
Title: Recurrent microdeletions at 15q11.2 and 16p13.11 predispose to idiopathic generalized epilepsies.

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Phenotypes

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Find tests for this gene in the NIH Genetic Testing Registry (GTR)

Review eQTL and phenotype association data in this region using PheGenI

Associated conditions

Description	Tests
Prader-Willi syndrome MedGen: C0032897 OMIM: 176270 GeneReviews: Prader-Willi Syndrome	not available

EBI GWAS Catalog

Description
Genome-wide association study of chronic periodontitis in a general German population. EBI GWAS Catalog EBI GWAS CatalogPubMed

Variation

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See variants in ClinVar

See studies and variants in dbVar

See Variation Viewer (GRCh37.p13)

See Variation Viewer (GRCh38)

HIV-1 interactions

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Replication interactions

Interaction	Pubs
Knockdown of chromosome 15 open reading frame 2 (C15orf2) by siRNA inhibits HIV-1 replication in HeLa P4/R5 cells	PubMed

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Gene Ontology Provided by GOA

Function	Evidence Code	Pubs
enables nuclear localization sequence binding	IBA Inferred from Biological aspect of Ancestor more info
enables structural constituent of nuclear pore	IBA Inferred from Biological aspect of Ancestor more info

Process	Evidence Code	Pubs
involved_in RNA export from nucleus	IBA Inferred from Biological aspect of Ancestor more info
involved_in cell differentiation	IEA Inferred from Electronic Annotation more info
involved_in protein import into nucleus	IBA Inferred from Biological aspect of Ancestor more info
involved_in spermatogenesis	NAS Non-traceable Author Statement more info	PubMed

Component	Evidence Code	Pubs
located_in intracellular membrane-bounded organelle	IDA Inferred from Direct Assay more info
located_in nuclear inner membrane	IEA Inferred from Electronic Annotation more info
part_of nuclear pore	IBA Inferred from Biological aspect of Ancestor more info
located_in nucleoplasm	IDA Inferred from Direct Assay more info
located_in plasma membrane	IDA Inferred from Direct Assay more info

General protein information

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Preferred Names: nuclear pore-associated protein 1

Names: protein C15orf2

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.