Protein: Q9W424
Splicing factor 3B subunit 4

Gene: Q9W424, Spx
Organism: Drosophila melanogaster
Interactions: 37
UniProt ID: Q9W424

Gene Ontology (top 5):
GO:0000398 - mRNA splicing, via spliceosome
GO:0003723 - RNA binding
GO:0003729 - mRNA binding
GO:0005686 - U2 snRNP
GO:0071011 - precatalytic spliceosome

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1484302

Q9VQK7
LD45152p

1

6

High-throughput

0.656

High

847950

SNRPA
U1 small nuclear ribonucleoprotein A

1

19

Small-scale

0.618

High

1481475

Q9VM49
Caper, isoform A

1

17

High-throughput

0.590

High

1476232

SF3B5
Splicing factor 3B subunit 5

1

1

Small-scale

0.479

High

264555

O62609
Mothers against decapentaplegic homolog

1

3

High-throughput

0.464

High

719697

FUR2
Furin-like protease 2

1

2

High-throughput

0.464

High

1048456

BSH
Brain-specific homeobox protein

1

1

High-throughput

0.464

High

1061485

GRAP
Growth factor receptor-bound protein 2

1

12

High-throughput

0.464

High

1269674

Q7KU01
Phosphatase 1 nuclear targeting subunit, isoform D

1

5

High-throughput

0.464

High

1475092

Q9VGR1
GRIP and coiled-coil domain containing 88 kDa

1

7

High-throughput

0.464

High

1477340

Q9VID9
Uncharacterized protein, isoform B

1

12

High-throughput

0.464

High

1490009

X2JDG0
Caper, isoform H

1

0

High-throughput

0.460

High

232196

SMD3
Small nuclear ribonucleoprotein Sm D3

1

3

High-throughput

0.445

High

85070

B7Z143
Protein interacting with Ttk69 and Sin3A, isoform D

1

1

High-throughput

0.439

High

118203

M9NCL3
Chitin deacetylase-like 5, isoform G

1

1

High-throughput

0.439

High

1270076

Q7KVF3
Uncharacterized protein

1

1

High-throughput

0.439

High

1286090

Q86P80
CAP, isoform K

1

14

High-throughput

0.439

High

1467296

Q9VA35
CIN85 and CD2AP related, isoform A

1

1

High-throughput

0.439

High

1487930

Q9VWJ6
FI03615p

1

1

High-throughput

0.437

High

53913

A1Z866
CAP, isoform I

1

14

High-throughput

0.417

High

1343598

Q8SX59
LD42296p

1

1

High-throughput

0.417

High

1467320

Q9VA36
CIN85 and CD2AP related, isoform C

1

12

High-throughput

0.417

High

1483287

Q9VPI4
Chitin deacetylase-like 5, isoform A

1

1

High-throughput

0.417

High

1488766

Q9VYL7
Protein interacting with Ttk69 and Sin3A, isoform C

1

1

High-throughput

0.417

High

438066

OPS1
Opsin Rh1

1

0

High-throughput

0.265

Low

771395

PUR4
Phosphoribosylformylglycinamidine synthase

1

0

High-throughput

0.265

Low

1464299

Q9V3U6
26-29kD-proteinase

1

0

High-throughput

0.265

Low

1480776

MOCS3
Adenylyltransferase and sulfurtransferase MOCS3

1

0

High-throughput

0.265

Low

1481925

Q9VMQ8
Vacuolar protein sorting-associated protein 52 homolog

1

0

High-throughput

0.265

Low

1487080

Q9VV44
Cuticular protein 72Ea

1

0

High-throughput

0.265

Low

1488936

Q9VZ59
LP02042p

1

0

High-throughput

0.265

Low

1489928

RL17
Large ribosomal subunit protein uL22

1

0

High-throughput

0.265

Low

1490007

Q9W512
Uncharacterized protein, isoform B

1

0

High-throughput

0.265

Low

1490008

Q9W5Y4
MIP18541p

1

0

High-throughput

0.265

Low

53266

A1Z7L5
Uncharacterized protein, isoform E

1

0

High-throughput

0.251

Low

120425

M9PD17
Gigas, isoform B

1

0

High-throughput

0.249

Low

1172723

SIMA
Protein similar

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025