Developmental Brain Disorder Gene Database

Missense Gene

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Missense

UPF3B

HGNC:20439 (protein-coding gene)

UPF3B regulator of nonsense mediated mRNA decay

Unique Cases:
1
Disorders:
ID
Last Updated:
January 4, 2024

Gene Summary:

Gene Function
Involved in nonsense-mediated decay (NMD) of mRNAs containing premature stop codons by associating with the nuclear exon junction complex (EJC) and serving as link between the EJC core and NMD machinery. Recruits UPF2 at the cytoplasmic side of the nuclear envelope and the subsequent formation of an UPF1-UPF2-UPF3 surveillance complex (including UPF1 bound to release factors at the stalled ribosome) is believed to activate NMD. In cooperation with UPF2 stimulates both ATPase and RNA helicase act... (Source: Uniprot)
Previous symbols
MRX62, UPF3BP1, UPF3BP2, UPF3BP3
Alias symbols
RENT3B, UPF3X, HUPF3B, MRX82
Chromosomal Location
Xq24
Genomic Coordinates
GRCh37:chrX:118967989-118986991
GRCh38:chrX:119805311-119853028
Associated Disorders
Intellectual Disability

Predictive Scores:

HI Score (Decipher)

33.04

pLI (gnomAD)

0.98

LOEUF (gnomAD)

0.29

Classifications from External Sources:

SFARI Score (SFARI)

1

DDG2P Classification (DDG2P)

No Classification

ClinGen Classification (ClinGen)

Definitive1

GenCC Classification (GenCC)

Definitive3 Supportive2 Moderate1 Strong1

Publications:

NCBI: Gene

Integrates information from a wide range of species. A record may include nomenclature, Reference Sequences (RefSeqs), maps, pathways, variations, phenotypes, and links to genome-, phenotype-, and locus-specific resources worldwide.

Gene Reviews

An international point-of-care resource for busy clinicians, provides clinically relevant and medically actionable information for inherited conditions in a standardized journal-style format, covering diagnosis, management, and genetic counseling for patients and their families.

DECIPHER

DECIPHER (DatabasE of genomiC varIation and Phenotype in Humans using Ensembl Resources) is an interactive web-based database which incorporates a suite of tools designed to aid the interpretation of genomic variants. DECIPHER enhances clinical diagnosis by retrieving information from a variety of bioinformatics resources relevant to the variant found in the patient.

SFARI

SFARI Gene is an evolving online database designed to permit quick entrée into the genetics of autism, and to help researchers track the ever-expanding genetic risk factors that emerge in the literature.

ClinGen

ClinGen is a National Institutes of Health (NIH)-funded resource dedicated to building an authoritative central resource that defines the clinical relevance of genes and variants for use in precision medicine and research.

GenCC

The GenCC DB provides information pertaining to the validity of gene-disease relationships, with a current focus on Mendelian diseases.

gnomAD

The Genome Aggregation Database (gnomAD) is a resource developed by an international coalition of investigators, with the goal of aggregating and harmonizing both exome and genome sequencing data from a wide variety of large-scale sequencing projects, and making summary data available for the wider scientific community.
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