Protein: PRP42
U1 small nuclear ribonucleoprotein component PRP42 (U1 snRNP protein PRP42) (65 kDa snRNP protein) (Pre-mRNA-processing factor 42)

Gene: PRP42
Organism: Saccharomyces cerevisiae S288C
Interactions: 44
UniProt ID: Q03776

Gene Ontology (top 5):
GO:0000243 - commitment complex
GO:0000395 - mRNA 5'-splice site recognition
GO:0000398 - mRNA splicing, via spliceosome
GO:0003723 - RNA binding
GO:0005634 - nucleus

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

743552

RU1A
U1 small nuclear ribonucleoprotein A

7

2

Small-scale

0.747

High

918225

SNU71
U1 small nuclear ribonucleoprotein component SNU71

7

1

Small-scale

0.742

High

750296

PRP40
Pre-mRNA-processing protein PRP40

5

2

High-throughput

0.712

High

1025650

NAM8
Protein NAM8

5

8

Small-scale

0.712

High

1044038

SNU56
56 kDa U1 small nuclear ribonucleoprotein component

5

1

Small-scale

0.712

High

1044039

RU1C
U1 small nuclear ribonucleoprotein C

5

1

Small-scale

0.712

High

1027988

RU17
U1 small nuclear ribonucleoprotein 70 kDa homolog

4

9

High-throughput

0.694

High

757530

NCBP1
Nuclear cap-binding protein complex subunit 1

4

5

High-throughput

0.691

High

1044043

NCBP2
Nuclear cap-binding protein subunit 2

4

20

Small-scale

0.676

High

813370

PRP39
Pre-mRNA-processing factor 39

3

11

High-throughput

0.662

High

1044042

LUC7
Protein LUC7

3

2

High-throughput

0.662

High

817158

RSMB
Small nuclear ribonucleoprotein-associated protein B

3

14

High-throughput

0.656

High

933137

RUXF
Small nuclear ribonucleoprotein F

3

15

High-throughput

0.643

High

780854

MUD2
Splicing factor MUD2

2

3

Small-scale

0.584

High

1044044

RU2A
U2 small nuclear ribonucleoprotein A'

2

9

Small-scale

0.584

High

722224

XPO1
Exportin-1

1

3

High-throughput

0.536

High

525017

HSP71
Heat shock protein SSA1

1

15

High-throughput

0.479

High

594546

RPB3
DNA-directed RNA polymerase II subunit RPB3

1

3

Small-scale

0.479

High

708058

TF2B
Transcription initiation factor IIB

1

5

High-throughput

0.479

High

780219

SN114
Pre-mRNA-splicing factor SNU114

1

16

High-throughput

0.479

High

820835

RUXG
Small nuclear ribonucleoprotein G

1

20

High-throughput

0.479

High

826066

ULP2
Ubiquitin-like-specific protease 2

1

5

High-throughput

0.479

High

847827

SMD3
Small nuclear ribonucleoprotein Sm D3

1

20

High-throughput

0.479

High

922175

PAP2
Poly(A) RNA polymerase protein 2

1

2

Small-scale

0.479

High

1036173

SMD1
Small nuclear ribonucleoprotein Sm D1

1

6

High-throughput

0.479

High

1044037

PRP42
U1 small nuclear ribonucleoprotein component PRP42

1

13

Small-scale

0.479

High

1044040

SMD2
Small nuclear ribonucleoprotein Sm D2

1

9

High-throughput

0.479

High

1044045

BBP
Branchpoint-bridging protein

1

5

Small-scale

0.479

High

1044046

RUXE
Small nuclear ribonucleoprotein E

1

7

High-throughput

0.479

High

865737

MOG1
Nuclear import protein MOG1

1

0

High-throughput

0.458

High

739196

PRP19
Pre-mRNA-processing factor 19

1

20

Small-scale

0.445

High

742304

HSP7F
Heat shock protein homolog SSE1

1

20

High-throughput

0.445

High

555147

G6PI
Glucose-6-phosphate isomerase

1

1

High-throughput

0.437

High

815355

PAC2
Protein PAC2

1

4

High-throughput

0.437

High

918442

EIF2A
Eukaryotic translation initiation factor 2A

1

3

High-throughput

0.437

High

394867

EF1A
Elongation factor 1-alpha

1

3

High-throughput

0.407

High

811150

TCPZ
T-complex protein 1 subunit zeta

1

3

High-throughput

0.407

High

893214

IMDH3
Inosine-5'-monophosphate dehydrogenase 3

1

4

High-throughput

0.407

High

149229

FOB1
DNA replication fork-blocking protein FOB1

1

0

High-throughput

0.238

Low

747684

MNS1
Endoplasmic reticulum mannosyl-oligosaccharide 1,2-alpha-mannosidase

1

0

High-throughput

0.238

Low

924923

APP1
Phosphatidate phosphatase APP1

1

0

High-throughput

0.238

Low

1044041

PEX19
Peroxisomal membrane protein import receptor PEX19

1

0

High-throughput

0.238

Low

631992

SRP54
Signal recognition particle subunit SRP54

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025