Protein: RU2A
Probable U2 small nuclear ribonucleoprotein A' (U2 snRNP A')

Gene: RU2A, U2A
Organism: Drosophila melanogaster
Interactions: 79
UniProt ID: Q9V4Q8

Gene Ontology (top 5):
GO:0000278 - mitotic cell cycle
GO:0000398 - mRNA splicing, via spliceosome
GO:0005686 - U2 snRNP
GO:0006325 - chromatin organization
GO:0007283 - spermatogenesis

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

847889

SNRPA
U1 small nuclear ribonucleoprotein A

11

10

Small-scale

0.974

High

602166

RU17
U1 small nuclear ribonucleoprotein 70 kDa

2

4

High-throughput

0.737

High

1173245

RUXF
Small nuclear ribonucleoprotein F

2

14

High-throughput

0.737

High

1465917

SMD2
Probable small nuclear ribonucleoprotein Sm D2

2

5

High-throughput

0.737

High

1273636

Q7PL82
Splicing factor 45

1

7

Small-scale

0.713

High

232179

SMD3
Small nuclear ribonucleoprotein Sm D3

1

14

High-throughput

0.575

High

1465921

Q9VKW8
U6 snRNA-associated Sm-like protein LSm4

1

15

High-throughput

0.575

High

1465923

RUXE
Probable small nuclear ribonucleoprotein E

1

5

High-throughput

0.575

High

1465929

DBR1
Lariat debranching enzyme

1

3

High-throughput

0.575

High

1465938

RUXG
Probable small nuclear ribonucleoprotein G

1

14

High-throughput

0.575

High

1465946

Q9W2P5
U6 snRNA-associated Sm-like protein LSm6

1

13

High-throughput

0.575

High

1465934

SMN
Survival motor neuron protein

2

4

High-throughput

0.571

High

1465904

AN32A
Acidic leucine-rich nuclear phosphoprotein 32 family member A

1

17

High-throughput

0.514

High

1465945

Q9W108
FI01540p

1

4

High-throughput

0.514

High

1465912

Q9VGU4
FI02822p

1

7

High-throughput

0.489

High

1465914

SF3B5
Splicing factor 3B subunit 5

1

1

Small-scale

0.479

High

56854

A1ZAK3
Protein DEK

1

1

High-throughput

0.445

High

1193030

Q494K2
Chromosome transmission fidelity 4

1

10

High-throughput

0.445

High

1196571

Q4V5H1
Peptidyl-prolyl cis-trans isomerase

1

5

High-throughput

0.445

High

1266547

NCBP1
Nuclear cap-binding protein subunit 1

1

2

High-throughput

0.445

High

1465903

SYF2
Pre-mRNA-splicing factor Syf2

1

2

High-throughput

0.445

High

1465905

SRRT
Serrate RNA effector molecule homolog

1

1

High-throughput

0.445

High

1465906

Q9VC93
Exosome complex exonuclease RRP44

1

1

High-throughput

0.445

High

1465909

RU1C
U1 small nuclear ribonucleoprotein C

1

1

High-throughput

0.445

High

1465918

NESD
Protein nessun dorma

1

1

High-throughput

0.445

High

1465951

Q9Y134
RNA helicase

1

10

High-throughput

0.445

High

1465928

Q9VR90
Syntaxin 16

1

8

High-throughput

0.439

High

1374834

DYLT
Dynein light chain Tctex-type

1

0

High-throughput

0.426

High

1427824

Q9GU66
Syntaxin

1

7

High-throughput

0.417

High

53150

A1Z7K8
AaRS-interacting multifunctional protein 1

1

1

High-throughput

0.407

High

620796

TNNT
Troponin T, skeletal muscle

1

1

High-throughput

0.407

High

875539

PTPS
6-pyruvoyl tetrahydrobiopterin synthase

1

1

High-throughput

0.407

High

887799

MCM2
DNA replication licensing factor Mcm2

1

3

High-throughput

0.407

High

925818

SET
Protein SET

1

3

High-throughput

0.407

High

1177469

Q29QQ9
Ribosomal RNA-processing protein 42

1

4

High-throughput

0.407

High

1262727

Q7JX41
Geminin

1

1

High-throughput

0.407

High

1262926

Q7JX95
RH42110p

1

2

High-throughput

0.407

High

1264277

Q7K0L8
FLICE-associated huge protein, isoform A

1

1

High-throughput

0.407

High

1264898

Q7K1Q7
Ribosome assembly factor mrt4

1

1

High-throughput

0.407

High

1305008

EXOS3
Exosome complex component RRP40

1

1

High-throughput

0.407

High

1306330

SPT16
FACT complex subunit spt16

1

4

High-throughput

0.407

High

1345067

WDR55
WD repeat-containing protein 55 homolog

1

8

High-throughput

0.407

High

1345948

Q8T4A9
Exosome complex component RRP45

1

6

High-throughput

0.407

High

1374671

ACPM
Acyl carrier protein, mitochondrial

1

1

High-throughput

0.407

High

1440130

NASP
Nuclear autoantigenic sperm protein homolog

1

1

High-throughput

0.407

High

1465248

PDIA6
Protein disulfide-isomerase A6 homolog

1

3

High-throughput

0.407

High

1465531

MCM6
DNA replication licensing factor Mcm6

1

3

High-throughput

0.407

High

1465910

BCCIP
Protein BCCIP homolog

1

1

High-throughput

0.407

High

1465913

Q9VGZ2
FI06805p

1

7

High-throughput

0.407

High

1465916

Q9VHT5
Large ribosomal subunit protein uL1m

1

1

High-throughput

0.407

High

1465919

RAGP1
Ran GTPase-activating protein

1

12

High-throughput

0.407

High

1465920

Q9VK19
FI07225p

1

8

High-throughput

0.407

High

1465922

Q9VL60
RE01590p

1

1

High-throughput

0.407

High

1465924

Q9VM14
dihydrolipoyllysine-residue acetyltransferase

1

4

High-throughput

0.407

High

1465925

RM10
Large ribosomal subunit protein uL10m

1

1

High-throughput

0.407

High

1465926

Q9VPM0
GH06023p

1

1

High-throughput

0.407

High

1465927

TGT
Queuine tRNA-ribosyltransferase catalytic subunit

1

2

High-throughput

0.407

High

1465930

QTRT2
Queuine tRNA-ribosyltransferase accessory subunit 2

1

2

High-throughput

0.407

High

1465931

Q9VT38
GH03795p

1

1

High-throughput

0.407

High

1465932

RM39
Large ribosomal subunit protein mL39

1

2

High-throughput

0.407

High

1465933

Q9VUR4
FI11905p

1

1

High-throughput

0.407

High

1465937

Q9VW53
FI01414p

1

9

High-throughput

0.407

High

1465939

IF5
Eukaryotic translation initiation factor 5

1

1

High-throughput

0.407

High

1465940

SYRC
Probable arginine--tRNA ligase, cytoplasmic

1

1

High-throughput

0.407

High

1465941

Q9VYT3
FI23714p1

1

1

High-throughput

0.407

High

1465942

UBA5
Ubiquitin-like modifier-activating enzyme 5

1

4

High-throughput

0.407

High

1465943

THUM1
THUMP domain-containing protein 1 homolog

1

1

High-throughput

0.407

High

1465944

SAHH2
Adenosylhomocysteinase-like 1

1

3

High-throughput

0.407

High

1465947

Q9W4J4
GM14292p

1

1

High-throughput

0.407

High

1465948

DDB1
DNA damage-binding protein 1

1

10

High-throughput

0.407

High

1465949

Q9Y0Y5
Coatomer subunit epsilon

1

1

High-throughput

0.407

High

1465950

SYQ
Probable glutamine--tRNA ligase

1

2

High-throughput

0.407

High

1465936

GEMI2
Gem-associated protein 2

2

0

High-throughput

0.298

High

1465911

SPT3
SAGA complex subunit Spt3

1

0

Small-scale

0.249

Low

57262

ICLN
Methylosome subunit pICln

1

0

High-throughput

0.232

Low

1465907

Q9VCB9
FI08802p

1

0

High-throughput

0.232

Low

1465908

RM55
Large ribosomal subunit protein mL55

1

0

High-throughput

0.232

Low

1465915

Q9VHN4
GH14121p

1

0

High-throughput

0.232

Low

1465935

Q9VVM7
IP21091p

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025