Protein: U2AF4
Splicing factor U2AF 26 kDa subunit (U2 auxiliary factor 26) (U2 small nuclear RNA auxiliary factor 1-like protein 4) (U2AF1-like 4) (U2(RNU2) small nuclear RNA auxiliary factor 1-like protein 3) (U2 small nuclear RNA auxiliary factor 1-like protein 3) (U2AF1-like protein 3)

Gene: U2AF4, U2AF1L4
Organism: Homo sapiens
Interactions: 14
UniProt ID: Q8WU68

Gene Ontology (top 5):
GO:0000398 - mRNA splicing, via spliceosome
GO:0005654 - nucleoplasm
GO:0005681 - spliceosomal complex
GO:0005737 - cytoplasm
GO:0008270 - zinc ion binding

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1028686

U2AF1
Splicing factor U2AF 35 kDa subunit

2

6

High-throughput

0.811

High

1356286

PPIE
Peptidyl-prolyl cis-trans isomerase E

1

1

High-throughput

0.618

High

1115847

DYR1A
Dual specificity tyrosine-phosphorylation-regulated kinase 1A

1

0

High-throughput

0.586

High

325002

HEXI1
Protein HEXIM1

1

1

High-throughput

0.479

High

459694

PROF1
Profilin-1

1

1

Small-scale

0.479

High

1137416

SUZ12
Polycomb protein SUZ12

1

1

High-throughput

0.479

High

1138428

U5S1
116 kDa U5 small nuclear ribonucleoprotein component

1

1

High-throughput

0.479

High

1313286

SMC5
Structural maintenance of chromosomes protein 5

1

1

High-throughput

0.479

High

1356283

GFI1
Zinc finger protein Gfi-1

1

1

Small-scale

0.479

High

1356284

TRI55
Tripartite motif-containing protein 55

1

3

High-throughput

0.479

High

1356285

WWP1
NEDD4-like E3 ubiquitin-protein ligase WWP1

1

2

Small-scale

0.479

High

1218612

OTU1
Ubiquitin thioesterase OTU1

1

0

High-throughput

0.458

High

1271750

MEPCE
7SK snRNA methylphosphate capping enzyme

1

1

High-throughput

0.437

High

1251393

GGYF2
GRB10-interacting GYF protein 2

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025