Protein: U3IP2
U3 small nucleolar RNA-interacting protein 2 (RRP9 homolog) (U3 small nucleolar ribonucleoprotein-associated 55 kDa protein) (U3 snoRNP-associated 55 kDa protein) (U3-55K)

Gene: U3IP2, RRP9
Organism: Homo sapiens
Interactions: 114
UniProt ID: O43818

Gene Ontology (top 5):
GO:0003723 - RNA binding
GO:0005654 - nucleoplasm
GO:0005730 - nucleolus
GO:0006364 - rRNA processing
GO:0030515 - snoRNA binding

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

228680

FBRL
rRNA 2'-O-methyltransferase fibrillarin

6

8

High-throughput

0.734

High

228663

EED
Polycomb protein EED

1

18

High-throughput

0.691

High

228677

H2AX
Histone H2AX

1

11

High-throughput

0.691

High

228694

NH2L1
NHP2-like protein 1

1

11

High-throughput

0.691

High

228707

DHX9
ATP-dependent RNA helicase A

1

18

High-throughput

0.691

High

228709

ERCC8
DNA excision repair protein ERCC-8

1

19

High-throughput

0.691

High

228716

WDR43
WD repeat-containing protein 43

1

20

High-throughput

0.691

High

228726

DHX30
ATP-dependent RNA helicase DHX30

1

17

High-throughput

0.691

High

228732

UTP15
U3 small nucleolar RNA-associated protein 15 homolog

1

19

High-throughput

0.691

High

228736

UTP4
U3 small nucleolar RNA-associated protein 4 homolog

1

18

High-throughput

0.691

High

228767

UTP18
U3 small nucleolar RNA-associated protein 18 homolog

1

18

High-throughput

0.691

High

228711

TRA2A
Transformer-2 protein homolog alpha

3

10

High-throughput

0.667

High

228724

A16L1
Autophagy-related protein 16-1

2

18

High-throughput

0.659

High

228741

ZC3HA
Zinc finger CCCH domain-containing protein 10

1

0

High-throughput

0.656

High

228700

SRPK2
SRSF protein kinase 2

2

20

High-throughput

0.628

High

228717

PUM3
Pumilio homolog 3

2

6

High-throughput

0.628

High

228765

NOP58
Nucleolar protein 58

2

11

High-throughput

0.628

High

228757

SIR7
NAD-dependent protein deacetylase sirtuin-7

2

6

Small-scale

0.624

High

140670

NOP56
Nucleolar protein 56

2

11

High-throughput

0.621

High

228665

MTA2
Metastasis-associated protein MTA2

1

6

High-throughput

0.618

High

228688

RECQ1
ATP-dependent DNA helicase Q1

1

20

High-throughput

0.618

High

228697

H4
Histone H4

1

9

High-throughput

0.618

High

228701

H33
Histone H3.3

1

11

High-throughput

0.618

High

228753

RC3H2
Roquin-2

1

13

High-throughput

0.618

High

228756

ANLN
Anillin

1

7

High-throughput

0.618

High

228758

DCA13
DDB1- and CUL4-associated factor 13

1

19

Small-scale

0.618

High

228759

UBP36
Ubiquitin carboxyl-terminal hydrolase 36

1

17

High-throughput

0.618

High

228752

LN28A
Protein lin-28 homolog A

2

7

High-throughput

0.611

High

228669

LMNA
Prelamin-A/C [Cleaved into: Lamin-A/C

2

11

High-throughput

0.601

High

228668

MYC
Myc proto-oncogene protein

2

20

High-throughput

0.584

High

228722

LARP7
La-related protein 7

2

19

High-throughput

0.584

High

228670

ESR1
Estrogen receptor

2

20

High-throughput

0.571

High

156734

CTRO
Citron Rho-interacting kinase

1

9

High-throughput

0.553

High

228725

TRI67
Tripartite motif-containing protein 67

1

20

High-throughput

0.553

High

228699

CSK21
Casein kinase II subunit alpha

1

18

High-throughput

0.550

High

228672

LA
Lupus La protein

1

12

High-throughput

0.536

High

228684

RL4
Large ribosomal subunit protein uL4

1

6

High-throughput

0.536

High

228689

RL5
Large ribosomal subunit protein uL18

1

5

High-throughput

0.536

High

228702

PURA
Transcriptional activator protein Pur-alpha

1

2

High-throughput

0.536

High

228704

XPC
DNA repair protein complementing XP-C cells

1

1

High-throughput

0.536

High

228706

RL18
Large ribosomal subunit protein eL18

1

4

High-throughput

0.536

High

228712

KRR1
KRR1 small subunit processome component homolog

1

1

High-throughput

0.536

High

228727

WDR75
WD repeat-containing protein 75

1

19

High-throughput

0.536

High

228743

CHOLN
Protein cholesin

1

1

High-throughput

0.536

High

228744

UTP23
rRNA-processing protein UTP23 homolog

1

1

High-throughput

0.536

High

228746

REXO4
RNA exonuclease 4

1

5

High-throughput

0.536

High

228749

NOL11
Nucleolar protein 11

1

4

High-throughput

0.536

High

228751

RPF1
Ribosome production factor 1

1

2

High-throughput

0.536

High

228755

SSF1
Suppressor of SWI4 1 homolog

1

1

High-throughput

0.536

High

228764

NUDC
Nuclear migration protein nudC

1

20

High-throughput

0.536

High

228705

MP2K1
Dual specificity mitogen-activated protein kinase kinase 1

2

20

High-throughput

0.521

High

228721

PRTG
Protogenin

1

0

High-throughput

0.517

High

228734

UBCP1
Ubiquitin-like domain-containing CTD phosphatase 1

1

3

High-throughput

0.515

High

228742

TGS1
Trimethylguanosine synthase

1

0

High-throughput

0.513

High

228748

PHAX
Phosphorylated adapter RNA export protein

1

0

High-throughput

0.513

High

228678

EGLN
Endoglin

1

2

High-throughput

0.489

High

228691

NEST
Nestin

1

15

High-throughput

0.489

High

228739

DOCK6
Dedicator of cytokinesis protein 6

1

2

High-throughput

0.489

High

96584

E9PAV9
G patch domain-containing protein 4

1

6

High-throughput

0.479

High

134489

SAP18
Histone deacetylase complex subunit SAP18

1

3

High-throughput

0.479

High

222556

PRC1
Protein regulator of cytokinesis 1

1

9

High-throughput

0.479

High

228661

NUPR1
Nuclear protein 1

1

4

High-throughput

0.479

High

228664

DNJC8
DnaJ homolog subfamily C member 8

1

7

High-throughput

0.479

High

228666

KI20A
Kinesin-like protein KIF20A

1

20

High-throughput

0.479

High

228667

STAU1
Double-stranded RNA-binding protein Staufen homolog 1

1

17

High-throughput

0.479

High

228671

MYCN
N-myc proto-oncogene protein

1

20

High-throughput

0.479

High

228674

UBC
Polyubiquitin-C [Cleaved into: Ubiquitin]

1

13

High-throughput

0.479

High

228676

RFA2
Replication protein A 32 kDa subunit

1

4

High-throughput

0.479

High

228679

RL35A
Large ribosomal subunit protein eL33

1

4

High-throughput

0.479

High

228681

NR4A1
Nuclear receptor subfamily 4immunitygroup A member 1

1

20

Small-scale

0.479

High

228682

RFA1
Replication protein A 70 kDa DNA-binding subunit

1

4

High-throughput

0.479

High

228683

FUS
RNA-binding protein FUS

1

18

High-throughput

0.479

High

228685

PPARG
Peroxisome proliferator-activated receptor gamma

1

20

Small-scale

0.479

High

228686

RL3
Large ribosomal subunit protein uL3

1

8

High-throughput

0.479

High

228687

CCNF
Cyclin-F

1

10

High-throughput

0.479

High

228690

SOX2
Transcription factor SOX-2

1

20

High-throughput

0.479

High

228692

NR2C2
Nuclear receptor subfamily 2 group C member 2

1

12

High-throughput

0.479

High

228693

FOXA1
Hepatocyte nuclear factor 3-alpha

1

12

High-throughput

0.479

High

228695

WDR5
WD repeat-containing protein 5

1

19

High-throughput

0.479

High

228696

RS4X
Small ribosomal subunit protein eS4, X isoform

1

6

High-throughput

0.479

High

228698

RS24
Small ribosomal subunit protein eS24

1

2

High-throughput

0.479

High

228708

GRSF1
G-rich sequence factor 1

1

20

High-throughput

0.479

High

228710

BIRC3
Baculoviral IAP repeat-containing protein 3

1

5

High-throughput

0.479

High

228719

TRBP2
RISC-loading complex subunit TARBP2

1

16

High-throughput

0.479

High

228720

IF16
Gamma-interferon-inducible protein 16

1

2

High-throughput

0.479

High

228723

RC3H1
Roquin-1

1

3

High-throughput

0.479

High

228728

SIR6
NAD-dependent protein deacylase sirtuin-6

1

6

High-throughput

0.479

High

228729

SERB1
SERPINE1 mRNA-binding protein 1

1

4

High-throughput

0.479

High

228730

NGDN
Neuroguidin

1

2

High-throughput

0.479

High

228731

SNIP1
Smad nuclear-interacting protein 1

1

3

High-throughput

0.479

High

228733

DOT1L
Histone-lysine N-methyltransferase, H3 lysine-79 specific

1

4

High-throughput

0.479

High

228735

KAT6A
Histone acetyltransferase KAT6A

1

20

High-throughput

0.479

High

228740

DDRGK
DDRGK domain-containing protein 1

1

4

High-throughput

0.479

High

228750

ECT2
Protein ECT2

1

20

High-throughput

0.479

High

228754

SMUF1
E3 ubiquitin-protein ligase SMURF1

1

9

High-throughput

0.479

High

228761

ZN346
Zinc finger protein 346

1

3

High-throughput

0.479

High

228675

RAP2A
Ras-related protein Rap-2a

1

8

High-throughput

0.464

High

228737

CHCH1
Small ribosomal subunit protein mS37

1

0

High-throughput

0.458

High

228738

DCPS
m7GpppX diphosphatase

1

0

High-throughput

0.458

High

228713

RRP1B
Ribosomal RNA processing protein 1 homolog B

1

9

High-throughput

0.445

High

228660

PRKN
E3 ubiquitin-protein ligase parkin

1

17

High-throughput

0.437

High

228662

OBSL1
Obscurin-like protein 1

1

9

High-throughput

0.437

High

228673

H2AB2
Histone H2A-Bbd type 2/3

1

11

High-throughput

0.437

High

228703

PFKAP
ATP-dependent 6-phosphofructokinase, platelet type

1

6

High-throughput

0.437

High

228714

CUL7
Cullin-7

1

4

High-throughput

0.437

High

228715

KIF14
Kinesin-like protein KIF14

1

9

High-throughput

0.437

High

228745

ACE2
Angiotensin-converting enzyme 2

1

2

High-throughput

0.437

High

228747

CHM4B
Charged multivesicular body protein 4b

1

5

High-throughput

0.437

High

228760

HECW2
E3 ubiquitin-protein ligase HECW2

1

9

High-throughput

0.437

High

228762

HECD1
E3 ubiquitin-protein ligase HECTD1

1

15

High-throughput

0.437

High

228763

SNX6
Sorting nexin-6

1

2

High-throughput

0.437

High

69916

A8KAG1
G patch domain-containing protein 4

1

6

High-throughput

0.407

High

228718

TRADD
Tumor necrosis factor receptor type 1-associated DEATH domain protein

1

0

High-throughput

0.279

Low

228766

CAB39
Calcium-binding protein 39

1

0

High-throughput

0.249

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025