Protein: GPN2
GPN-loop GTPase 2 (EC 3.6.5.-) (ATP-binding domain 1 family member B homolog)

Gene: GPN2
Organism: Saccharomyces cerevisiae S288C
Interactions: 28
UniProt ID: Q08726

Gene Ontology (top 5):
GO:0003924 - GTPase activity
GO:0005525 - GTP binding
GO:0005737 - cytoplasm
GO:0006606 - protein import into nucleus
GO:0034087 - establishment of mitotic sister chromatid cohesion

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

865653

GPN1
GPN-loop GTPase 1

7

10

Small-scale

0.959

High

1055586

GPN3
GPN-loop GTPase 3

1

10

Small-scale

0.618

High

594613

RPB3
DNA-directed RNA polymerase II subunit RPB3

3

8

Small-scale

0.585

High

1046583

RBA50
RNA polymerase II-associated protein RBA50

2

3

Small-scale

0.584

High

546583

SSB1
Ribosome-associated molecular chaperone SSB1

2

5

High-throughput

0.552

High

722328

XPO1
Exportin-1

1

13

High-throughput

0.536

High

704665

SBA1
Co-chaperone protein SBA1

1

0

High-throughput

0.493

High

823739

RPAB4
DNA-directed RNA polymerases I, II, and III subunit RPABC4

1

5

Small-scale

0.479

High

427467

RLA0
Large ribosomal subunit protein uL10

1

1

High-throughput

0.445

High

453834

PYR1
Multifunctional protein URA2

1

1

High-throughput

0.445

High

525409

HSP71
Heat shock protein SSA1

1

4

High-throughput

0.445

High

527900

HSP72
Heat shock protein SSA2

1

4

High-throughput

0.445

High

742575

HSP7F
Heat shock protein homolog SSE1

1

6

High-throughput

0.445

High

820009

SSB2
Ribosome-associated molecular chaperone SSB2

1

5

High-throughput

0.445

High

836935

MPG1
Mannose-1-phosphate guanyltransferase

1

1

High-throughput

0.445

High

470606

RPB2
DNA-directed RNA polymerase II subunit RPB2

1

13

High-throughput

0.437

High

647240

RPC2
DNA-directed RNA polymerase III subunit RPC2

1

13

High-throughput

0.437

High

694664

SPT5
Transcription elongation factor SPT5

1

1

High-throughput

0.437

High

708416

TF2B
Transcription initiation factor IIB

1

2

High-throughput

0.437

High

358362

ADH1
Alcohol dehydrogenase 1

1

0

High-throughput

0.426

High

439442

PDC1
Pyruvate decarboxylase isozyme 1

1

0

High-throughput

0.426

High

450657

FAS1
Fatty acid synthase subunit beta

1

0

High-throughput

0.426

High

684869

RL5
Large ribosomal subunit protein uL18

1

0

High-throughput

0.426

High

688957

RS5
Small ribosomal subunit protein uS7

1

0

High-throughput

0.426

High

925485

EF3B
Elongation factor 3B

1

1

High-throughput

0.407

High

734790

NDI1
Rotenone-insensitive NADH-ubiquinone oxidoreductase, mitochondrial

1

0

High-throughput

0.249

Low

1064744

MLH3
DNA mismatch repair protein MLH3

1

0

High-throughput

0.249

Low

1064745

ATG9
Autophagy-related protein 9

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025