YJU2

protein-coding

YJU2 splicing factor homolog

Gene summary

Predicted to enable metal ion binding activity. Predicted to contribute to first spliceosomal transesterification activity. Predicted to be involved in mRNA cis splicing, via spliceosome and negative regulation of DNA damage response, signal transduction by p53 class mediator. Part of U2-type catalytic step 1 spliceosome. [provided by Alliance of Genome Resources, Jun 2026]

Previous symbols:
  • CCDC94

MANE transcript

NM_018074.6

Inheritance

—

ClinVar variants

U:55B:3

Top phenotype

—

gnomAD constraint

pLI —, LoF o/e 0.68

Max pathogenic AF

—

Genomic locus

chr19:4,247,080-4,269,088

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~22.0 kb
Loading mutation effect viewer...

GenCC Phenotypes & Disease Associations

Curated gene-disease validity assertions and inheritance patterns

No GenCC data available for this gene.

ClinVar Associated Diseases & Phenotypes

Reported disease conditions connected to YJU2 variants in ClinVar

2 Conditions Cataloged
not specifiedTotal: 52
not providedTotal: 1

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_018074.6. Only rare variants are included.

We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.

Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.

EffectPLPVUSLBBSum
synonymous
1
clinvar
1
missense
50
clinvar
2
clinvar
52
nonsense
0
start loss
0
frameshift
0
splice donor/acceptor (+/-2bp)
5
clinvar
5
Total00552158
Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 9 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_018074.6RefSeqNP_060544.28MANE Select
ENST00000262962.12EnsemblENSP00000262962.68MANE Select
ENST00000596496.1EnsemblENSP00000472772.14Standard
ENST00000872338.1EnsemblENSP00000542397.18Standard

Model Organisms & Knockout Phenotypes

Observed phenotypic effects in mouse and zebrafish models

Gene / ModelOrganismObserved Phenotype
yju2Danio rerio

Structure: post-vent region

Quality: curved

abnormal

Gene Ontology (GO) Annotations & Pathways

Biological processes, molecular functions, cellular components and pathways

Biological Process

  • mRNA processing
  • RNA splicing
  • negative regulation of DNA damage response, signal transduction by p53 class mediator

Molecular Function

  • protein binding

Cellular Component

  • U2-type catalytic step 1 spliceosome

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000262962
Coding exons
8
Length
22012
Individuals with no LoFs
125729
Homozygous LoFs
0
Heterozygous LoFs
17
Defined
125746
p
0.0000676
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense1.521422030.6990.00001292087
Missense (PolyPhen)3163.0370.49178710
Synonymous-0.05108988.41.010.00000593610
Loss of Function1.271217.80.6769.39e-7199

Population LoF Frequency

PopulationCAFp-valueStatus
African0.000320.00031rare
Latino/Admixed American00.0absent
Ashkenazi Jewish0.000100.000099rare
East Asian0.0000640.000054rare
Finnish00.0absent
European (Non-Finnish)0.0000840.000079rare
South Asian0.0000330.000033rare
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Function
FUNCTION: Part of the catalytic step I spliceosome, C complex (PubMed:29301961). May protect cells from TP53-dependent apoptosis upon dsDNA break damage through association with PRP19-CD5L complex (PubMed:22952453). {ECO:0000269|PubMed:22952453, ECO:0000269|PubMed:29301961}.;

Intolerance Scores

RVIS EVS
-0.49
RVIS percentile EVS
22.36

Essentials

Essential (gene trap)
E
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