Protein: KAIN
Kallistatin (Kallikrein inhibitor) (Peptidase inhibitor 4) (PI-4) (Serpin A4)

Gene: KAIN, SERPINA4
Organism: Homo sapiens
Interactions: 30
UniProt ID: P29622

Gene Ontology (top 5):
GO:0004867 - serine-type endopeptidase inhibitor activity
GO:0005576 - extracellular region
GO:0005615 - extracellular space
GO:0031089 - platelet dense granule lumen
GO:0070062 - extracellular exosome

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

449594

KLK1
Kallikrein-1

1

20

Small-scale

0.647

High

389068

FINC
Fibronectin

1

5

Small-scale

0.618

High

193507

PDPK1
3-phosphoinositide-dependent protein kinase 1

3

1

High-throughput

0.609

High

698409

CALX
Calnexin

2

4

High-throughput

0.588

High

369316

A1AT
Alpha-1-antitrypsin

1

9

High-throughput

0.575

High

592624

ITB4
Integrin beta-4

1

0

High-throughput

0.546

High

563258

CFTR
Cystic fibrosis transmembrane conductance regulator

1

9

High-throughput

0.494

High

714727

CTBP1
C-terminal-binding protein 1

1

1

High-throughput

0.489

High

652451

NR4A1
Nuclear receptor subfamily 4immunitygroup A member 1

1

7

High-throughput

0.464

High

714726

M4K2
Mitogen-activated protein kinase kinase kinase kinase 2

1

2

High-throughput

0.464

High

714728

ILK
Scaffold protein ILK

1

3

High-throughput

0.464

High

714730

TAB1
TGF-beta-activated kinase 1 and MAP3K7-binding protein 1

1

1

High-throughput

0.464

High

714731

MK06
Mitogen-activated protein kinase 6

1

3

High-throughput

0.464

High

714734

TNR14
Tumor necrosis factor receptor superfamily member 14

1

2

High-throughput

0.464

High

551839

CO6A2

1

4

High-throughput

0.445

High

582310

ARSA
Arylsulfatase A

1

3

High-throughput

0.445

High

714724

GALNS
N-acetylgalactosamine-6-sulfatase

1

3

High-throughput

0.445

High

714733

GALT7
N-acetylgalactosaminyltransferase 7

1

2

High-throughput

0.445

High

714736

SIL1
Nucleotide exchange factor SIL1

1

2

High-throughput

0.445

High

714740

GNPTG
N-acetylglucosamine-1-phosphotransferase subunit gamma

1

5

High-throughput

0.445

High

714729

OS9
Protein OS-9

1

4

High-throughput

0.407

High

714738

FKB14
Peptidyl-prolyl cis-trans isomerase FKBP14

4

0

High-throughput

0.356

High

332139

GA45G
Growth arrest and DNA damage-inducible protein GADD45 gamma

1

0

High-throughput

0.265

Low

568540

TNNT1
Troponin T, slow skeletal muscle

1

0

High-throughput

0.265

Low

635679

RASA1
Ras GTPase-activating protein 1

1

0

High-throughput

0.265

Low

714737

YAE1
Protein YAE1 homolog

1

0

High-throughput

0.265

Low

714725

FDFT
Squalene synthase

1

0

High-throughput

0.249

Low

714732

GT253
Inactive glycosyltransferase 25 family member 3

1

0

High-throughput

0.232

Low

714735

NGLY1
Peptide-N(4)-(N-acetyl-beta-glucosaminyl)asparagine amidase

1

0

High-throughput

0.232

Low

714739

UGGG2
UDP-glucose:glycoprotein glucosyltransferase 2

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025