Protein: KLK9
Kallikrein-9 (EC 3.4.21.-) (Kallikrein-like protein 3) (KLK-L3)

Gene: KLK9
Organism: Homo sapiens
Interactions: 20
UniProt ID: Q9UKQ9

Gene Ontology (top 5):
GO:0004252 - serine-type endopeptidase activity
GO:0005615 - extracellular space
GO:0006508 - proteolysis
GO:0030141 - secretory granule
GO:0051604 - protein maturation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

423431

A4
Amyloid-beta precursor protein

1

14

High-throughput

0.647

High

376923

TGFB1
Transforming growth factor beta-1 proprotein [Cleaved into: Latency-associated peptide

1

8

High-throughput

0.541

High

1132465

CASP8
Caspase-8

1

5

High-throughput

0.541

High

1247537

POTEE
POTE ankyrin domain family member E

1

4

High-throughput

0.536

High

336801

BAG4
BAG family molecular chaperone regulator 4

1

3

High-throughput

0.494

High

355044

CHK2
Serine/threonine-protein kinase Chk2

1

3

High-throughput

0.494

High

397186

ESR1
Estrogen receptor

1

9

High-throughput

0.494

High

664828

CCND1
G1/S-specific cyclin-D1

1

2

High-throughput

0.494

High

1040089

PAX2
Paired box protein Pax-2

1

1

High-throughput

0.494

High

1090086

PTPRJ
Receptor-type tyrosine-protein phosphatase eta

1

9

High-throughput

0.494

High

1367555

ESR2
Estrogen receptor beta

1

9

High-throughput

0.494

High

194483

P2RX6
P2X purinoceptor 6

1

1

High-throughput

0.489

High

552439

ADT3
ADP/ATP translocase 3

1

13

High-throughput

0.489

High

733465

CCR1
C-C chemokine receptor type 1

1

6

High-throughput

0.489

High

943158

STX17
Syntaxin-17

1

4

High-throughput

0.489

High

1460135

NRBP
Nuclear receptor-binding protein

1

4

High-throughput

0.489

High

1461194

SSUH2
Protein SSUH2 homolog

1

4

High-throughput

0.489

High

261314

NSMA
Sphingomyelin phosphodiesterase 2

1

5

High-throughput

0.407

High

1439495

BRMS1
Breast cancer metastasis-suppressor 1

1

0

High-throughput

0.282

High

1313516

SMC5
Structural maintenance of chromosomes protein 5

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025