Protein: MSL1
U2 small nuclear ribonucleoprotein B'' (U2 snRNP B'')

Gene: MSL1
Organism: Saccharomyces cerevisiae S288C
Interactions: 50
UniProt ID: P40567

Gene Ontology (top 5):
GO:0000398 - mRNA splicing, via spliceosome
GO:0000974 - Prp19 complex
GO:0005634 - nucleus
GO:0005681 - spliceosomal complex
GO:0005686 - U2 snRNP

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

826554

RU2A
U2 small nuclear ribonucleoprotein A'

8

12

Small-scale

0.969

High

826553

NCBP2
Nuclear cap-binding protein subunit 2

3

20

Small-scale

0.827

High

826555

CWC2
Pre-mRNA-splicing factor CWC2

2

11

High-throughput

0.776

High

826546

CEF1
Pre-mRNA-splicing factor CEF1

4

7

Small-scale

0.686

High

817118

RSMB
Small nuclear ribonucleoprotein-associated protein B

3

9

High-throughput

0.656

High

826542

RUXF
Small nuclear ribonucleoprotein F

3

8

High-throughput

0.643

High

739152

PRP19
Pre-mRNA-processing factor 19

2

20

Small-scale

0.601

High

797308

SP381
Pre-mRNA-splicing factor SPP381

2

0

High-throughput

0.595

High

664598

PRP22
Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP22

2

20

Small-scale

0.595

High

826559

HSH49
Protein HSH49

1

19

High-throughput

0.590

High

826550

SN309
Pre-mRNA-splicing factor SNT309

2

0

High-throughput

0.585

High

826541

NST1
Stress response protein NST1

2

5

Small-scale

0.543

High

826557

PRP46
Pre-mRNA-splicing factor PRP46

1

20

High-throughput

0.536

High

557728

SRS2
ATP-dependent DNA helicase SRS2

1

4

High-throughput

0.508

High

724880

RAD16
DNA repair protein RAD16

1

8

High-throughput

0.508

High

780183

SN114
Pre-mRNA-splicing factor SNU114

1

9

High-throughput

0.508

High

793427

ATR
Serine/threonine-protein kinase MEC1

1

5

High-throughput

0.508

High

805185

TRA1
SAGA complex/NuA4 acetyltransferase complex subunit TRA1

1

5

High-throughput

0.508

High

826543

RAD25
General transcription and DNA repair factor IIH helicase/translocase subunit XPB/SSL2

1

13

High-throughput

0.508

High

702253

YJU2
Splicing factor YJU2

1

2

Small-scale

0.501

High

483784

SWI1
SWI/SNF chromatin-remodeling complex subunit SWI1

1

0

High-throughput

0.486

High

643270

BAS1
Myb-like DNA-binding protein BAS1

1

0

High-throughput

0.486

High

806619

RIX1
Pre-rRNA-processing protein RIX1

1

0

High-throughput

0.486

High

826540

CAN
Carbonic anhydrase

1

0

High-throughput

0.486

High

826548

LIC4
Protein ATC1/LIC4

1

0

High-throughput

0.486

High

826551

YL456
Pyridoxamine 5'-phosphate oxidase YLR456W homolog

1

0

High-throughput

0.486

High

590202

PRP16
Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP16

1

20

High-throughput

0.479

High

625102

PRP9
Pre-mRNA-splicing factor PRP9

1

4

High-throughput

0.479

High

638064

ISY1
Pre-mRNA-splicing factor ISY1

1

3

High-throughput

0.479

High

707336

TF2B
Transcription initiation factor IIB

1

1

High-throughput

0.479

High

826537

PRP17
Pre-mRNA-processing factor 17

1

20

High-throughput

0.479

High

826539

CWC22
Pre-mRNA-splicing factor CWC22

1

3

High-throughput

0.479

High

826544

CUS1
Cold sensitive U2 snRNA suppressor 1

1

5

High-throughput

0.479

High

826549

SYF1
Pre-mRNA-splicing factor SYF1

1

20

High-throughput

0.479

High

826556

CLF1
Pre-mRNA-splicing factor CLF1

1

20

High-throughput

0.479

High

826558

SNU66
66 kDa U4/U6.U5 small nuclear ribonucleoprotein component

1

4

Small-scale

0.479

High

460983

LTE1
Guanine nucleotide exchange factor LTE1

1

1

High-throughput

0.464

High

656321

PP2B1
Serine/threonine-protein phosphatase 2B catalytic subunit A1

1

8

High-throughput

0.464

High

826538

TAF4
Transcription initiation factor TFIID subunit 4

1

0

High-throughput

0.458

High

826547

CWC15
Pre-mRNA-splicing factor CWC15

1

0

High-throughput

0.458

High

524210

HSP71
Heat shock protein SSA1

1

6

High-throughput

0.445

High

545186

SSB1
Ribosome-associated molecular chaperone SSB1

1

6

High-throughput

0.445

High

628209

PRP2
Pre-mRNA-splicing factor ATP-dependent RNA helicase-like protein PRP2

1

20

High-throughput

0.437

High

804846

NMD2
Nonsense-mediated mRNA decay protein 2

1

0

High-throughput

0.269

Low

739108

PT309
Mitochondrial COX1 translation regulator PET309

1

0

High-throughput

0.265

Low

743581

PT127
Putative mitochondrial translation system component PET127

1

0

High-throughput

0.265

Low

826545

RMD1
Sporulation protein RMD1

1

0

High-throughput

0.265

Low

826552

AUS1
ATP-dependent permease AUS1

1

0

High-throughput

0.265

Low

639557

RIR3
Ribonucleoside-diphosphate reductase large chain 2

1

0

High-throughput

0.249

Low

631943

SRP54
Signal recognition particle subunit SRP54

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025