Protein: MSB4
GTPase-activating protein MSB4 (Multicopy suppressor of bud emergence 4)

Gene: MSB4
Organism: Saccharomyces cerevisiae S288C
Interactions: 16
UniProt ID: Q12317

Gene Ontology (top 5):
GO:0000131 - incipient cellular bud site
GO:0000133 - polarisome
GO:0005096 - GTPase activator activity
GO:0005737 - cytoplasm
GO:0005886 - plasma membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

458616

SEC4
Ras-related protein SEC4

1

20

Small-scale

0.647

High

618365

CDC42
Cell division control protein 42

1

20

Small-scale

0.647

High

1084755

YPT6
GTP-binding protein YPT6

1

20

Small-scale

0.647

High

654753

SPA2
Protein SPA2

3

2

Small-scale

0.641

High

748790

YPT7
Ypt/Rab-type GTPase YPT7

1

11

Small-scale

0.579

High

818532

PEA2
Protein PEA2

1

1

Small-scale

0.501

High

835561

BUD6
Bud site selection protein 6

1

1

Small-scale

0.501

High

836367

BNI1
Protein BNI1

1

3

Small-scale

0.501

High

1043017

STE20
Serine/threonine-protein kinase STE20

1

5

High-throughput

0.501

High

758347

HSL1
Probable serine/threonine-protein kinase HSL1

1

2

High-throughput

0.481

High

817232

FIR1
Factor interacting with REF2

1

0

Small-scale

0.460

High

748101

SMY2
Protein SMY2

1

0

High-throughput

0.458

High

393537

HSP82
ATP-dependent molecular chaperone HSP82

1

3

High-throughput

0.445

High

528045

HSP72
Heat shock protein SSA2

1

4

High-throughput

0.445

High

546785

SSB1
Ribosome-associated molecular chaperone SSB1

1

3

High-throughput

0.445

High

727410

HS104
Heat shock protein 104

1

2

High-throughput

0.445

High


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Last updated: 11Aug2025