Protein: PBP1
PAB1-binding protein 1 (Poly(A)-binding protein-binding protein)

Gene: PBP1
Organism: Saccharomyces cerevisiae S288C
Interactions: 128
UniProt ID: P53297

Gene Ontology (top 5):
GO:0003729 - mRNA binding
GO:0005634 - nucleus
GO:0005737 - cytoplasm
GO:0005739 - mitochondrion
GO:0005829 - cytosol

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

805616

LSM12
Protein LSM12

8

5

Small-scale

0.753

High

919441

PBP4
Protein PBP4

5

0

Small-scale

0.676

High

812090

DHH1
ATP-dependent RNA helicase DHH1

3

6

High-throughput

0.669

High

403598

PABP
Polyadenylate-binding protein, cytoplasmic and nuclear

3

12

Small-scale

0.648

High

919415

PBP1
PAB1-binding protein 1

3

2

Small-scale

0.641

High

524675

HSP71
Heat shock protein SSA1

3

3

High-throughput

0.633

High

792162

GBLP
Small ribosomal subunit protein RACK1

3

1

Small-scale

0.633

High

393089

HSP82
ATP-dependent molecular chaperone HSP82

3

0

High-throughput

0.613

High

919418

BRE5
UBP3-associated protein BRE5

2

4

High-throughput

0.611

High

919425

UBP3
Ubiquitin carboxyl-terminal hydrolase 3

2

1

High-throughput

0.611

High

722126

XPO1
Exportin-1

2

0

High-throughput

0.606

High

802292

RS20
Small ribosomal subunit protein uS10

2

2

Small-scale

0.584

High

919447

NCBP2
Nuclear cap-binding protein subunit 2

2

10

High-throughput

0.584

High

919428

DIG1
Down-regulator of invasive growth 1

2

0

Small-scale

0.561

High

435249

RS3
Small ribosomal subunit protein uS3

2

0

Small-scale

0.559

High

674742

RS2
Small ribosomal subunit protein uS5

2

0

Small-scale

0.559

High

806327

KOG1
Target of rapamycin complex 1 subunit KOG1

2

0

Small-scale

0.559

High

828304

MKT1
Post-transcriptional regulator MKT1

1

1

Small-scale

0.552

High

776619

DEF1
RNA polymerase II degradation factor 1

1

1

High-throughput

0.541

High

514330

RL12B
Large ribosomal subunit protein uL11B

1

0

Small-scale

0.529

High

919416

PPID
Peptidyl-prolyl cis-trans isomerase CPR6

1

0

High-throughput

0.518

High

427381

RLA0
Large ribosomal subunit protein uL10

1

0

High-throughput

0.513

High

874248

CLA4
Serine/threonine-protein kinase CLA4

1

0

High-throughput

0.513

High

919438

PDS5
Sister chromatid cohesion protein PDS5

1

0

High-throughput

0.513

High

829755

GTS1
Protein GTS1

1

1

High-throughput

0.508

High

919417

YN87
Uncharacterized protein YNR014W

1

0

High-throughput

0.486

High

410249

RL25
Large ribosomal subunit protein uL23

1

1

High-throughput

0.479

High

438743

SC160
Protein SCP160

1

6

High-throughput

0.479

High

455176

RS19A
Small ribosomal subunit protein eS19A

1

1

High-throughput

0.479

High

510683

HSP77
Import motor subunit, mitochondrial

1

2

High-throughput

0.479

High

645477

XRN1
5'-3' exoribonuclease 1

1

2

Small-scale

0.479

High

785949

LONM
Lon protease homolog, mitochondrial

1

1

High-throughput

0.479

High

823008

ATAD2
ATPase histone chaperone YTA7

1

1

High-throughput

0.479

High

824755

MLP2
Protein MLP2

1

1

High-throughput

0.479

High

866137

JHD2
Histone demethylase JHD2

1

1

Small-scale

0.479

High

916940

VID30
GID complex subunit 1

1

2

High-throughput

0.479

High

919422

APJ1
J domain-containing protein APJ1

1

1

High-throughput

0.479

High

919424

NAM8
Protein NAM8

1

11

High-throughput

0.479

High

919427

XRN2
5'-3' exoribonuclease 2

1

2

High-throughput

0.479

High

919433

GIS1
Transcriptional activator/repressor GIS1

1

1

High-throughput

0.479

High

919435

RUVB1
RuvB-like protein 1

1

1

High-throughput

0.479

High

919443

PUF3
mRNA-binding protein PUF3

1

2

Small-scale

0.479

High

919451

YRA1
RNA annealing protein YRA1

1

12

Small-scale

0.479

High

919452

BBP
Branchpoint-bridging protein

1

2

Small-scale

0.479

High

919453

SMT3
Ubiquitin-like protein SMT3

1

2

High-throughput

0.479

High

919455

RUVB2
RuvB-like protein 2

1

1

High-throughput

0.479

High

916397

PAN2
PAN2-PAN3 deadenylation complex catalytic subunit PAN2

1

0

Small-scale

0.460

High

916738

UFD1
Ubiquitin fusion degradation protein 1

1

0

Small-scale

0.460

High

149875

RS9A
Small ribosomal subunit protein uS4A

1

0

High-throughput

0.458

High

382242

H4
Histone H4

1

0

Small-scale

0.458

High

382965

RMAR
Small ribosomal subunit protein uS3m

1

0

High-throughput

0.458

High

383811

RS17A
Small ribosomal subunit protein eS17A

1

0

High-throughput

0.458

High

433758

RL26A
Large ribosomal subunit protein uL24A

1

0

High-throughput

0.458

High

436076

RS13
Small ribosomal subunit protein uS15

1

0

High-throughput

0.458

High

442028

RS14A
Small ribosomal subunit protein uS11A

1

0

High-throughput

0.458

High

503156

RS22A
Small ribosomal subunit protein uS8A

1

0

High-throughput

0.458

High

504329

RL31A
Large ribosomal subunit protein eL31A

1

0

High-throughput

0.458

High

512560

RS6A
Small ribosomal subunit protein eS6A

1

0

High-throughput

0.458

High

513130

RS8A
Small ribosomal subunit protein eS8A

1

0

High-throughput

0.458

High

514748

RS18A
Small ribosomal subunit protein uS13A

1

0

High-throughput

0.458

High

594485

RPB3
DNA-directed RNA polymerase II subunit RPB3

1

0

High-throughput

0.458

High

661547

PSA2
Proteasome subunit alpha type-2

1

0

High-throughput

0.458

High

670963

SIS1
Protein SIS1

1

0

High-throughput

0.458

High

679911

CDC48
Cell division control protein 48

1

0

High-throughput

0.458

High

689087

RL16A
Large ribosomal subunit protein uL13A

1

0

High-throughput

0.458

High

689572

RS7A
Small ribosomal subunit protein eS7A

1

0

High-throughput

0.458

High

707748

TF2B
Transcription initiation factor IIB

1

0

High-throughput

0.458

High

743536

RU1A
U1 small nuclear ribonucleoprotein A

1

0

High-throughput

0.458

High

747491

RSSA1
Small ribosomal subunit protein uS2A

1

0

High-throughput

0.458

High

747964

SMY2
Protein SMY2

1

0

High-throughput

0.458

High

751440

CBF5
H/ACA ribonucleoprotein complex subunit CBF5

1

0

High-throughput

0.458

High

753494

RS3A1
Small ribosomal subunit protein eS1A

1

0

High-throughput

0.458

High

762854

TOR1
Serine/threonine-protein kinase TOR1

1

0

Small-scale

0.458

High

778451

RS27A
Small ribosomal subunit protein eS27A

1

0

High-throughput

0.458

High

780839

MUD2
Splicing factor MUD2

1

0

Small-scale

0.458

High

795122

NU170
Nucleoporin NUP170

1

0

High-throughput

0.458

High

796885

GID4
GID complex substrate-recognition subunit 4

1

0

High-throughput

0.458

High

809377

STM1
Suppressor protein STM1

1

0

Small-scale

0.458

High

812517

LAA1
AP-1 accessory protein LAA1

1

0

High-throughput

0.458

High

815187

IF4F1
Eukaryotic initiation factor 4F subunit p150

1

0

High-throughput

0.458

High

817133

RSMB
Small nuclear ribonucleoprotein-associated protein B

1

0

High-throughput

0.458

High

824923

TM108
Protein TMA108

1

0

High-throughput

0.458

High

826696

DSN1
Kinetochore-associated protein DSN1

1

0

High-throughput

0.458

High

865688

MOG1
Nuclear import protein MOG1

1

0

High-throughput

0.458

High

874437

RS12
Small ribosomal subunit protein eS12

1

0

High-throughput

0.458

High

881399

TOM22
Mitochondrial import receptor subunit TOM22

1

0

High-throughput

0.458

High

919419

GIS2
Zinc finger protein GIS2

1

0

High-throughput

0.458

High

919420

IGO1
mRNA stability protein IGO1

1

0

Small-scale

0.458

High

919421

NAF1
H/ACA ribonucleoprotein complex non-core subunit NAF1

1

0

Small-scale

0.458

High

919423

NUM1
Nuclear migration protein NUM1

1

0

High-throughput

0.458

High

919426

RS15
Small ribosomal subunit protein uS19

1

0

High-throughput

0.458

High

919429

HOT1
High-osmolarity-induced transcription protein 1

1

0

Small-scale

0.458

High

919432

NAB6
RNA-binding protein NAB6

1

0

High-throughput

0.458

High

919434

MTQ2
eRF1 methyltransferase catalytic subunit MTQ2

1

0

High-throughput

0.458

High

919436

LRS4
Monopolin complex subunit LRS4

1

0

Small-scale

0.458

High

919437

DHR1
Probable ATP-dependent RNA helicase DHR1

1

0

High-throughput

0.458

High

919440

MMS22
E3 ubiquitin-protein ligase substrate receptor MMS22

1

0

High-throughput

0.458

High

919442

VAM6
Vacuolar morphogenesis protein 6

1

0

High-throughput

0.458

High

919444

SGO1
Shugoshin

1

0

High-throughput

0.458

High

919445

ESA1
Histone acetyltransferase ESA1

1

0

Small-scale

0.458

High

919446

RS10A
Small ribosomal subunit protein eS10A

1

0

High-throughput

0.458

High

919449

RU2A
U2 small nuclear ribonucleoprotein A'

1

0

High-throughput

0.458

High

919450

TMA46
Translation machinery-associated protein 46

1

0

High-throughput

0.458

High

919454

LAS17
Proline-rich protein LAS17

1

0

Small-scale

0.458

High

919456

HUB1
Ubiquitin-like modifier HUB1

1

0

Small-scale

0.458

High

919457

SUS1
SAGA complex subunit SUS1

1

0

Small-scale

0.458

High

527276

HSP72
Heat shock protein SSA2

1

3

High-throughput

0.445

High

545709

SSB1
Ribosome-associated molecular chaperone SSB1

1

3

High-throughput

0.445

High

742062

HSP7F
Heat shock protein homolog SSE1

1

4

High-throughput

0.445

High

819363

SSB2
Ribosome-associated molecular chaperone SSB2

1

3

High-throughput

0.445

High

825203

HOS4
Protein HOS4

1

2

High-throughput

0.445

High

919430

GCN5
Histone acetyltransferase GCN5

1

1

High-throughput

0.445

High

359305

G3P3
Glyceraldehyde-3-phosphate dehydrogenase 3

1

0

High-throughput

0.426

High

454471

PHO4
Phosphate system positive regulatory protein PHO4

1

0

High-throughput

0.426

High

643656

SNF2
Transcription regulatory protein SNF2

1

0

High-throughput

0.426

High

671673

SCJ1
DnaJ-related protein SCJ1

1

0

High-throughput

0.426

High

737478

ODPB
Pyruvate dehydrogenase E1 component subunit beta, mitochondrial

1

0

High-throughput

0.426

High

752552

HSP78
Heat shock protein 78, mitochondrial

1

0

High-throughput

0.426

High

916985

NIF3
NGG1-interacting factor 3

1

0

High-throughput

0.426

High

818124

SHO1
High osmolarity signaling protein SHO1

1

0

High-throughput

0.265

Low

817215

FIR1
Factor interacting with REF2

1

0

Small-scale

0.251

Low

613780

MDM10
Mitochondrial distribution and morphology protein 10

1

0

High-throughput

0.249

Low

844694

SET4
SET domain-containing protein 4

1

0

Small-scale

0.249

Low

919431

PEX29
Peroxisomal membrane protein PEX29

1

0

Small-scale

0.249

Low

919439

POB3
FACT complex subunit POB3

1

0

High-throughput

0.249

Low

919448

AP3D
AP-3 complex subunit delta

1

0

High-throughput

0.249

Low

823625

TCPE
T-complex protein 1 subunit epsilon

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025