RNA45SN4

Summary

RNA45SN4 (RNA, 45S pre-ribosomal N4, HGNC:53526) is a gene on chromosome 22 unplaced.

45S ribosomal DNA (rDNA) arrays, or clusters, are present on human chromosomes 13, 14, 15, 21 and 22, designated RNR1 through RNR5, respectively. Each cluster consists of multiple 45S rDNA repeat units that vary in number among individuals and chromosomes, with total diploid copy number estimates ranging from 60 to >800 repeat units in a human genome. The 45S rDNA repeat unit encodes a 45S rRNA precursor, transcribed by RNA polymerase I, which is processed to form the 18S, 5.8S and 28S rRNAs. This gene is a representative copy of the 45S ribosomal RNA on chromosome 22.

Source: NCBI Gene 109864271 — RefSeq curated summary.

Identifiers

Gene identifiers

Field	Value
HGNC ID	HGNC:53526
Approved symbol	RNA45SN4
Name	RNA, 45S pre-ribosomal N4
Location	22 unplaced
Locus type	RNA, ribosomal
Status	Approved
Entrez	109864271
RNAcentral	URS0000ABD7E8 — rRNA, 13373 nt, 1 organism(s)

Gene structure

Transcript identifiers

Ensembl transcripts: 0

RefSeq mRNA: 0 — MANE Select: None

Canonical transcript exons

None — 0 exons

Expression profiles

Top tissues by expression

0 total, by Bgee expression score (0-100, higher = more expressed):

Regulation

Is transcription factor: no

Cross-species orthologs

0 orthologs

Protein

Protein identifiers

Canonical reviewed UniProt: None (reviewed: )

All UniProt accessions (0):

RefSeq proteins (0): (*=MANE)

Domains & families (InterPro)

Structure

Experimental structures (PDB)

0 structures.

Predicted structure (AlphaFold)

Function

Pathways and Gene Ontology

Reactome pathways

0 pathways

MSigDB gene sets: 0 (showing top):

GO Biological Process (0):

GO Molecular Function (0):

GO Cellular Component (0):

Protein interactions and networks

STRING

0 interactions, top by confidence (×1000):

IntAct

0 interactions, top by confidence:

SIGNOR signaling

0 interactions.

Disease & clinical

Clinical variants and AI predictions

ClinVar

0 variants total. Per-class counts are floors (≥ shown; pagination cap):

Classification	Count (floor)
Pathogenic	0
Likely pathogenic	0
Uncertain significance	0
Likely benign	0
Benign	0

Top pathogenic / likely-pathogenic (0)

SpliceAI

0 predictions. Top by Δscore:

AlphaMissense

0 scored. Top likely-pathogenic:

Disease associations

OMIM: gene `` | disease phenotypes:

GenCC curated gene-disease

Mondo (0):

Orphanet (0):

HPO phenotypes

0 total (0 of 0 shown, HPO-id order):

GWAS associations

0 associations (top):

Drugs & pharmacology

Drug and pharmacology data

Is drug target: no

PharmGKB: 0 entries

CTD chemical–gene interactions

3 total (human), top 3 by PubMed support.

Chemical	Actions (top 5)	PubMed papers
Formaldehyde	decreases expression	1
Smoke	decreases expression	1
Valproic Acid	increases expression	1

Clinical trials (associated diseases)

0 trials via MONDO — disease-level, not drug-specific.