Protein: PAI2B
Polyadenylate-binding protein-interacting protein 2B (PABP-interacting protein 2B) (PAIP-2B) (Poly(A)-binding protein-interacting protein 2B)

Gene: PAI2B, PAIP2B
Organism: Homo sapiens
Interactions: 50
UniProt ID: Q9ULR5

Gene Ontology (top 5):
GO:0000900 - mRNA regulatory element binding translation repressor activity
GO:0005737 - cytoplasm
GO:0017148 - negative regulation of translation
GO:0030371 - translation repressor activity
GO:0045947 - negative regulation of translational initiation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

550517

PABP1
Polyadenylate-binding protein 1

3

7

Small-scale

0.875

High

1102131

PABP4
Polyadenylate-binding protein 4

2

7

High-throughput

0.811

High

1429472

PAIP1
Polyadenylate-binding protein-interacting protein 1

1

1

High-throughput

0.691

High

485507

ROA1
Heterogeneous nuclear ribonucleoprotein A1

3

4

High-throughput

0.667

High

1315729

DND1
Dead end protein homolog 1

3

10

High-throughput

0.667

High

1023301

RBM3
RNA-binding protein 3

2

6

High-throughput

0.628

High

1120008

CIRBP
Cold-inducible RNA-binding protein

2

11

High-throughput

0.628

High

1330016

CELF5
CUGBP Elav-like family member 5

2

7

High-throughput

0.628

High

1197184

PAP1L
Polyadenylate-binding protein 1-like

1

7

High-throughput

0.618

High

1409776

PAIP2
Polyadenylate-binding protein-interacting protein 2

1

0

High-throughput

0.586

High

1090320

ELAV2
ELAV-like protein 2

2

7

High-throughput

0.574

High

183533

CASC3
Protein CASC3

2

1

High-throughput

0.549

High

994867

YBOX1
Y-box-binding protein 1

1

1

High-throughput

0.536

High

1061203

SRSF1
Serine/arginine-rich splicing factor 1

1

9

High-throughput

0.536

High

1245767

LARP1
La-related protein 1

1

4

High-throughput

0.536

High

1290188

THOC4
THO complex subunit 4

1

6

High-throughput

0.536

High

1348141

PUM2
Pumilio homolog 2

1

2

High-throughput

0.536

High

1370160

RENT1
Regulator of nonsense transcripts 1

1

3

High-throughput

0.536

High

1429247

MKRN2
E3 ubiquitin-protein ligase makorin-2

1

2

High-throughput

0.536

High

1449760

ZCHC3
Zinc finger CCHC domain-containing protein 3

1

1

High-throughput

0.536

High

257999

DKC1
H/ACA ribonucleoprotein complex subunit DKC1

1

0

High-throughput

0.513

High

1066812

NCBP1
Nuclear cap-binding protein subunit 1

1

0

High-throughput

0.513

High

1198696

NCBP3
Nuclear cap-binding protein subunit 3

1

0

High-throughput

0.513

High

1396379

ZFR
Zinc finger RNA-binding protein

1

0

High-throughput

0.513

High

1452575

BCLF1
Bcl-2-associated transcription factor 1

1

0

High-throughput

0.513

High

256703

HNRC1
Heterogeneous nuclear ribonucleoprotein C-like 1

1

1

High-throughput

0.489

High

889679

CLK2
Dual specificity protein kinase CLK2

1

1

High-throughput

0.489

High

889836

CLK3
Dual specificity protein kinase CLK3

1

1

High-throughput

0.489

High

1148827

RBMS2
RNA-binding motif, single-stranded-interacting protein 2

1

10

High-throughput

0.489

High

1226056

LAR1B
La-related protein 1B

1

4

High-throughput

0.489

High

1365698

LAR4B
La-related protein 4B

1

4

High-throughput

0.489

High

1387912

PABP5
Polyadenylate-binding protein 5

1

7

High-throughput

0.489

High

1388558

RMXL1
RNA binding motif protein, X-linked-like-1

1

8

High-throughput

0.489

High

1398457

YTDC1
YTH domain-containing protein 1

1

1

High-throughput

0.489

High

1438891

MOV10
Helicase MOV-10

1

3

High-throughput

0.489

High

1459800

MKRN1
E3 ubiquitin-protein ligase makorin-1

1

2

High-throughput

0.489

High

504996

H2AB2
Histone H2A-Bbd type 2/3

1

1

High-throughput

0.437

High

506151

PAB4L
Polyadenylate-binding protein 4-like

1

7

High-throughput

0.407

High

1461677

LC7L2
Putative RNA-binding protein Luc7-like 2

3

0

High-throughput

0.347

High

1346981

SNIP1
Smad nuclear-interacting protein 1

2

0

High-throughput

0.328

High

1009366

PRR3
Proline-rich protein 3

2

0

High-throughput

0.313

High

273020

ZC11A
Zinc finger CCCH domain-containing protein 11A

1

0

High-throughput

0.279

Low

591885

H2AX
Histone H2AX

1

0

High-throughput

0.279

Low

1130877

RRP5
Protein RRP5 homolog

1

0

High-throughput

0.279

Low

1203636

ZN326
DBIRD complex subunit ZNF326

1

0

High-throughput

0.279

Low

1360253

SREK1
Splicing regulatory glutamine/lysine-rich protein 1

1

0

High-throughput

0.279

Low

1435886

SFR19
Splicing factor, arginine/serine-rich 19

1

0

High-throughput

0.279

Low

1453119

F120A
Constitutive coactivator of PPAR-gamma-like protein 1

1

0

High-throughput

0.279

Low

1460672

PURG
Purine-rich element-binding protein gamma

1

0

High-throughput

0.279

Low

1461678

RM11
Large ribosomal subunit protein uL11m

1

0

High-throughput

0.279

Low


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Last updated: 11Aug2025