Protein: UPK1B
Uroplakin-1b (UP1b) (Tetraspanin-20) (Tspan-20) (Uroplakin Ib) (UPIb)

Gene: UPK1B
Organism: Homo sapiens
Interactions: 59
UniProt ID: O75841

Gene Ontology (top 5):
GO:0005198 - structural molecule activity
GO:0009617 - response to bacterium
GO:0016020 - membrane
GO:0030855 - epithelial cell differentiation
GO:0070062 - extracellular exosome

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

295671

CD53
Leukocyte surface antigen CD53

2

17

High-throughput

0.783

High

295692

VSIG1
V-set and immunoglobulin domain-containing protein 1

2

11

High-throughput

0.700

High

211900

SPIT1
Kunitz-type protease inhibitor 1

2

3

High-throughput

0.606

High

258626

G37L1
G-protein coupled receptor 37-like 1

2

9

High-throughput

0.606

High

295665

CLD7
Claudin-7

2

7

High-throughput

0.606

High

295668

ITB2
Integrin beta-2

2

20

High-throughput

0.606

High

295674

KI2L3
Killer cell immunoglobulin-like receptor 2DL3

2

4

High-throughput

0.606

High

295679

NTCP2
Ileal sodium/bile acid cotransporter

2

2

High-throughput

0.606

High

295681

PDZ1I
PDZK1-interacting protein 1

2

1

High-throughput

0.606

High

295685

F209A
Protein FAM209A

2

5

High-throughput

0.606

High

295690

TMUB2
Transmembrane and ubiquitin-like domain-containing protein 2

2

2

High-throughput

0.606

High

295693

TM139
Transmembrane protein 139

2

1

High-throughput

0.606

High

295698

GPX8
Probable glutathione peroxidase 8

2

5

High-throughput

0.606

High

295700

TMM54
Transmembrane protein 54

2

2

High-throughput

0.606

High

295702

SHSA4
Protein shisa-4

2

1

High-throughput

0.606

High

295705

TM237
Transmembrane protein 237

2

1

High-throughput

0.606

High

295715

SIT1
Signaling threshold-regulating transmembrane adapter 1

2

1

High-throughput

0.606

High

295694

KASH5
Protein KASH5

3

8

High-throughput

0.597

High

295687

PLPP4
Phospholipid phosphatase 4

2

0

High-throughput

0.580

High

295689

TMM91
Transmembrane protein 91

2

0

High-throughput

0.580

High

295697

FNDC9
Fibronectin type III domain-containing protein 9

2

0

High-throughput

0.580

High

295699

SSMM1
Serine-rich single-pass membrane protein 1

2

0

High-throughput

0.580

High

295712

RHCG
Ammonium transporter Rh type C

2

0

High-throughput

0.580

High

295713

EDAR
Tumor necrosis factor receptor superfamily member EDAR

2

0

High-throughput

0.580

High

155538

NEMP1
Nuclear envelope integral membrane protein 1

2

3

High-throughput

0.553

High

194659

FFAR2
Free fatty acid receptor 2

2

20

High-throughput

0.553

High

295669

CXB1
Gap junction beta-1 protein

2

9

High-throughput

0.553

High

295672

NKG2A
NKG2-A/NKG2-B type II integral membrane protein

2

14

High-throughput

0.553

High

295675

KCNJ6
G protein-activated inward rectifier potassium channel 2

2

1

High-throughput

0.553

High

295676

CXA8
Gap junction alpha-8 protein

2

9

High-throughput

0.553

High

295678

CD69
Early activation antigen CD69

2

16

High-throughput

0.553

High

295684

STX1A
Syntaxin-1A

2

12

High-throughput

0.553

High

295686

SDHF4
Succinate dehydrogenase assembly factor 4, mitochondrial

2

1

High-throughput

0.553

High

295688

ISLR2
Immunoglobulin superfamily containing leucine-rich repeat protein 2

2

3

High-throughput

0.553

High

295691

SYT9
Synaptotagmin-9

2

3

High-throughput

0.553

High

295695

GP161
G-protein coupled receptor 161

2

12

High-throughput

0.553

High

295701

TM45B
Transmembrane protein 45B

2

1

High-throughput

0.553

High

295704

M4A4A
Membrane-spanning 4-domains subfamily A member 4A

2

1

High-throughput

0.553

High

295707

MFF
Mitochondrial fission factor

2

2

High-throughput

0.553

High

295708

CERS4
Ceramide synthase 4

2

5

High-throughput

0.553

High

295709

S39A2
Zinc transporter ZIP2

2

8

High-throughput

0.553

High

295710

S35C2
Solute carrier family 35 member C2

2

3

High-throughput

0.553

High

295711

SAR1A
Small COPII coat GTPase SAR1A

2

3

High-throughput

0.553

High

295716

DGLA
Diacylglycerol lipase-alpha

2

5

High-throughput

0.553

High

295717

FKBP7
Peptidyl-prolyl cis-trans isomerase FKBP7

2

3

High-throughput

0.553

High

295666

NB5R3
NADH-cytochrome b5 reductase 3

1

4

High-throughput

0.481

High

295667

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

1

6

High-throughput

0.481

High

295706

B2L13
Bcl-2-like protein 13

1

2

High-throughput

0.481

High

295714

ERGI3
Endoplasmic reticulum-Golgi intermediate compartment protein 3

1

2

High-throughput

0.481

High

289230

UPK3A
Uroplakin-3a

1

1

Small-scale

0.479

High

295670

CD79A
B-cell antigen receptor complex-associated protein alpha chain

1

2

High-throughput

0.439

High

295673

MOT8
Monocarboxylate transporter 8

1

10

High-throughput

0.439

High

295677

VMAT1
Chromaffin granule amine transporter

1

3

High-throughput

0.439

High

295680

BNIP2
BCL2/adenovirus E1B 19 kDa protein-interacting protein 2

1

2

High-throughput

0.439

High

295682

BIK
Bcl-2-interacting killer

1

1

High-throughput

0.439

High

295683

NTCP
Hepatic sodium/bile acid cotransporter

1

2

High-throughput

0.439

High

97169

TM262
Cation channel sperm-associated auxiliary subunit TMEM262

2

0

High-throughput

0.316

High

295696

BEST2
Bestrophin-2a

2

0

High-throughput

0.316

High

295703

P3IP1
Phosphoinositide-3-kinase-interacting protein 1

2

0

High-throughput

0.316

High


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Last updated: 11Aug2025