Protein: SNU56
56 kDa U1 small nuclear ribonucleoprotein component

Gene: SNU56
Organism: Saccharomyces cerevisiae S288C
Interactions: 57
UniProt ID: Q03782

Gene Ontology (top 5):
GO:0000243 - commitment complex
GO:0000395 - mRNA 5'-splice site recognition
GO:0000398 - mRNA splicing, via spliceosome
GO:0003729 - mRNA binding
GO:0005634 - nucleus

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

743553

RU1A
U1 small nuclear ribonucleoprotein A

8

0

Small-scale

0.919

High

1025651

NAM8
Protein NAM8

7

0

Small-scale

0.910

High

1027989

RU17
U1 small nuclear ribonucleoprotein 70 kDa homolog

6

0

Small-scale

0.895

High

1044067

NCBP2
Nuclear cap-binding protein subunit 2

6

0

Small-scale

0.894

High

1044066

LUC7
Protein LUC7

4

0

High-throughput

0.846

High

1031041

NOP3
Serine/arginine

2

0

Small-scale

0.728

High

918226

SNU71
U1 small nuclear ribonucleoprotein component SNU71

8

0

Small-scale

0.715

High

813371

PRP39
Pre-mRNA-processing factor 39

5

1

High-throughput

0.712

High

1044038

PRP42
U1 small nuclear ribonucleoprotein component PRP42

5

1

Small-scale

0.712

High

1044060

RU1C
U1 small nuclear ribonucleoprotein C

5

0

High-throughput

0.684

High

750297

PRP40
Pre-mRNA-processing protein PRP40

5

0

High-throughput

0.682

High

817159

RSMB
Small nuclear ribonucleoprotein-associated protein B

5

0

High-throughput

0.682

High

1036174

SMD1
Small nuclear ribonucleoprotein Sm D1

4

0

High-throughput

0.664

High

757531

NCBP1
Nuclear cap-binding protein complex subunit 1

4

0

Small-scale

0.660

High

847828

SMD3
Small nuclear ribonucleoprotein Sm D3

3

0

High-throughput

0.634

High

741094

PUB1
Nuclear and cytoplasmic polyadenylated RNA-binding protein PUB1

1

1

High-throughput

0.618

High

820836

RUXG
Small nuclear ribonucleoprotein G

3

0

High-throughput

0.616

High

780855

MUD2
Splicing factor MUD2

3

0

Small-scale

0.614

High

1044063

SMD2
Small nuclear ribonucleoprotein Sm D2

2

0

High-throughput

0.585

High

933138

RUXF
Small nuclear ribonucleoprotein F

2

0

High-throughput

0.576

High

1044062

IMB1
Importin subunit beta-1

2

0

High-throughput

0.576

High

1044065

PRP11
Pre-mRNA-splicing factor PRP11

2

0

Small-scale

0.561

High

594547

RPB3
DNA-directed RNA polymerase II subunit RPB3

2

0

Small-scale

0.559

High

1044068

RU2A
U2 small nuclear ribonucleoprotein A'

2

0

Small-scale

0.559

High

1044069

BBP
Branchpoint-bridging protein

2

0

Small-scale

0.559

High

597634

MER1
Meiotic recombination 1 protein

2

0

Small-scale

0.559

High

682937

MSH2
DNA mismatch repair protein MSH2

1

0

High-throughput

0.518

High

645520

XRN1
5'-3' exoribonuclease 1

1

0

High-throughput

0.513

High

751783

PRP8
Pre-mRNA-splicing factor 8

1

0

High-throughput

0.513

High

1039025

IMA1
Importin subunit alpha

1

0

High-throughput

0.513

High

1044064

ATG17
Autophagy-related protein 17

1

0

High-throughput

0.486

High

625127

PRP9
Pre-mRNA-splicing factor PRP9

1

0

High-throughput

0.458

High

638016

PRP5
Pre-mRNA-processing ATP-dependent RNA helicase PRP5

1

0

High-throughput

0.458

High

708060

TF2B
Transcription initiation factor IIB

1

0

High-throughput

0.458

High

738915

NAB2
Nuclear polyadenylated RNA-binding protein NAB2

1

0

High-throughput

0.458

High

739273

PRP21
Pre-mRNA-splicing factor PRP21

1

0

High-throughput

0.458

High

805215

TRA1
SAGA complex/NuA4 acetyltransferase complex subunit TRA1

1

0

High-throughput

0.458

High

826792

DSN1
Kinetochore-associated protein DSN1

1

0

High-throughput

0.458

High

918443

EIF2A
Eukaryotic translation initiation factor 2A

1

0

High-throughput

0.458

High

1044058

SNU56
56 kDa U1 small nuclear ribonucleoprotein component

1

0

Small-scale

0.458

High

1044059

RSE1
Pre-mRNA-splicing factor RSE1

1

0

High-throughput

0.458

High

1044070

RUXE
Small nuclear ribonucleoprotein E

1

0

High-throughput

0.458

High

1044071

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

1

0

Small-scale

0.458

High

525018

HSP71
Heat shock protein SSA1

1

1

High-throughput

0.445

High

527571

HSP72
Heat shock protein SSA2

1

1

High-throughput

0.445

High

755289

NUF2
Kinetochore protein NUF2

1

0

High-throughput

0.438

High

546116

SSB1
Ribosome-associated molecular chaperone SSB1

1

0

High-throughput

0.426

High

671075

SIS1
Protein SIS1

1

0

High-throughput

0.426

High

739197

PRP19
Pre-mRNA-processing factor 19

1

0

Small-scale

0.426

High

811384

CAJ1
Protein CAJ1

1

0

High-throughput

0.426

High

893215

IMDH3
Inosine-5'-monophosphate dehydrogenase 3

1

0

High-throughput

0.426

High

825020

TAO3
Cell morphogenesis protein PAG1

1

0

High-throughput

0.279

Low

1044061

YL345
Putative 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase YLR345W [Includes: 6-phosphofructo-2-kinase

1

0

High-throughput

0.279

Low

751555

DHE2
NAD-specific glutamate dehydrogenase

1

0

High-throughput

0.269

Low

917160

ATG1
Serine/threonine-protein kinase ATG1

1

0

Small-scale

0.261

Low

453770

PYR1
Multifunctional protein URA2

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025