Protein: TPO3
Polyamine transporter 3

Gene: TPO3
Organism: Saccharomyces cerevisiae S288C
Interactions: 52
UniProt ID: Q06451

Gene Ontology (top 5):
GO:0000296 - spermine transport
GO:0000297 - spermine transmembrane transporter activity
GO:0000329 - fungal-type vacuole membrane
GO:0005886 - plasma membrane
GO:0015297 - antiporter activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

919322

TPO2
Polyamine transporter 2

2

16

High-throughput

0.785

High

671394

PHO84
Inorganic phosphate transporter PHO84

1

17

High-throughput

0.698

High

737252

HXT1
Low-affinity glucose transporter HXT1

1

17

High-throughput

0.698

High

802049

HXT5
Probable glucose transporter HXT5

1

17

High-throughput

0.698

High

1055192

TPO1
Polyamine transporter 1

1

17

High-throughput

0.698

High

625925

HNM1
Choline transporter

2

18

High-throughput

0.613

High

1055190

TPO3
Polyamine transporter 3

1

16

High-throughput

0.590

High

1055194

GDIR
Rho GDP-dissociation inhibitor

2

0

High-throughput

0.587

High

797060

PHO88
SRP-independent targeting protein 3

2

9

High-throughput

0.577

High

546390

SSB1
Ribosome-associated molecular chaperone SSB1

2

8

High-throughput

0.571

High

794164

GPX2
Glutathione peroxidase-like peroxiredoxin 2

2

1

High-throughput

0.559

High

533193

GPA2
Guanine nucleotide-binding protein alpha-2 subunit

1

2

High-throughput

0.541

High

536175

ARF1
ADP-ribosylation factor 1

1

3

High-throughput

0.541

High

663618

VATO
V-type proton ATPase subunit c''

1

6

High-throughput

0.541

High

740370

SNQ2
Protein SNQ2

1

20

High-throughput

0.541

High

776746

SFK1
Protein SFK1

1

6

High-throughput

0.541

High

818444

FTR1
Plasma membrane iron permease

1

7

High-throughput

0.541

High

849742

FET5
Iron transport multicopper oxidase FET5

1

1

High-throughput

0.541

High

894373

MUP1
High-affinity methionine permease

1

18

High-throughput

0.541

High

917995

MST27
Multicopy suppressor of SEC21 protein 27

1

15

High-throughput

0.541

High

1043472

TCB3
Tricalbin-3

1

9

High-throughput

0.541

High

1043523

GAS3
Probable 1,3-beta-glucanosyltransferase GAS3

1

4

High-throughput

0.541

High

1055191

FMP45
SUR7 family protein FMP45

1

7

High-throughput

0.541

High

798727

BSD2
Metal homeostatis protein BSD2

1

0

High-throughput

0.518

High

808959

LCF3
Long-chain-fatty-acid--CoA ligase 3

1

0

High-throughput

0.518

High

1055193

ATO3
Ammonia transport outward protein 3

1

0

High-throughput

0.518

High

598523

ALG1
Chitobiosyldiphosphodolichol beta-mannosyltransferase

1

1

High-throughput

0.494

High

672835

ELO2
Fatty acid elongase 2

1

9

High-throughput

0.494

High

776390

YET1
Endoplasmic reticulum transmembrane protein 1

1

3

High-throughput

0.494

High

797453

MKAR
Very-long-chain 3-oxoacyl-CoA reductase

1

6

High-throughput

0.494

High

803012

COS8
Protein COS8

1

15

High-throughput

0.494

High

805909

YHU0
UPF0641 membrane protein YHR140W

1

2

High-throughput

0.494

High

822345

ELO3
Fatty acid elongase 3

1

9

High-throughput

0.494

High

827069

GPX3
Glutathione peroxidase-like peroxiredoxin HYR1

1

1

High-throughput

0.494

High

917964

SDS23
Protein SDS23

1

2

High-throughput

0.494

High

1038525

SHR3
Secretory component protein SHR3

1

2

High-throughput

0.494

High

1047503

GSF2
Glucose-signaling factor 2

1

8

High-throughput

0.494

High

1055195

ERP4
Protein ERP4

1

3

High-throughput

0.494

High

506210

AQY1
Aquaporin-1

1

5

High-throughput

0.481

High

368062

ENO2
Enolase 2

1

1

High-throughput

0.479

High

525248

HSP71
Heat shock protein SSA1

1

13

High-throughput

0.479

High

527759

HSP72
Heat shock protein SSA2

1

13

High-throughput

0.479

High

580114

HSC82
ATP-dependent molecular chaperone HSC82

1

14

High-throughput

0.479

High

735570

IRE1
Serine/threonine-protein kinase/endoribonuclease IRE1

1

6

High-throughput

0.457

High

742469

HSP7F
Heat shock protein homolog SSE1

1

17

High-throughput

0.437

High

752770

HSP78
Heat shock protein 78, mitochondrial

1

5

High-throughput

0.437

High

826859

DSN1
Kinetochore-associated protein DSN1

1

8

High-throughput

0.437

High

613877

ERD2
ER lumen protein-retaining receptor

1

0

High-throughput

0.282

High

919800

ERV29
ER-derived vesicles protein ERV29

1

0

High-throughput

0.282

High

448809

SNF1
Carbon catabolite-derepressing protein kinase

1

0

High-throughput

0.261

Low

798699

YB8A
Putative uncharacterized protein YBR285W

1

0

High-throughput

0.238

Low


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Last updated: 11Aug2025