Protein: KCNJ2
Inward rectifier potassium channel 2 (Cardiac inward rectifier potassium channel) (Inward rectifier K(+) channel Kir2.1) (IRK-1) (hIRK1) (Potassium channel, inwardly rectifying subfamily J member 2)

Gene: KCNJ2
Organism: Homo sapiens
Interactions: 36
UniProt ID: P63252

Gene Ontology (top 5):
GO:0005242 - inward rectifier potassium channel activity
GO:0005546 - phosphatidylinositol-4,5-bisphosphate binding
GO:0005886 - plasma membrane
GO:0006813 - potassium ion transport
GO:0008076 - voltage-gated potassium channel complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

993068

KCNJ2
Inward rectifier potassium channel 2

3

14

Small-scale

0.843

High

993084

KCJ15
ATP-sensitive inward rectifier potassium channel 15

2

14

High-throughput

0.783

High

84401

KCJ18
Inward rectifier potassium channel 18

1

15

High-throughput

0.665

High

140222

SDCB1
Syntenin-1

2

20

High-throughput

0.606

High

993071

DLG1
Disks large homolog 1

2

20

Small-scale

0.602

High

244843

TRAK2
Trafficking kinesin-binding protein 2

1

2

Small-scale

0.552

High

993069

DLG4
Disks large homolog 4

1

20

Small-scale

0.552

High

3406

A0A0S2Z4U3
Syndecan

1

2

High-throughput

0.515

High

993074

SCRIB
Protein scribble homolog

1

20

High-throughput

0.501

High

269915

SDC3
Syndecan-3

1

1

High-throughput

0.481

High

270796

ROCK2
Rho-associated protein kinase 2

1

1

Small-scale

0.479

High

941340

CAV3
Caveolin-3

1

2

Small-scale

0.479

High

945771

EPIPL
Epiplakin

1

3

Small-scale

0.479

High

993072

SNTA1
Alpha-1-syntrophin

1

20

Small-scale

0.479

High

993076

STK38
Serine/threonine-protein kinase 38

1

1

Small-scale

0.479

High

369855

CO3
Complement C3

1

0

Small-scale

0.458

High

637444

FLNA
Filamin-A

1

0

Small-scale

0.458

High

665881

AKAP5
A-kinase anchor protein 5

1

0

Small-scale

0.458

High

993070

DCD
Dermcidin

1

0

Small-scale

0.458

High

993075

CND1
Condensin complex subunit 1

1

0

Small-scale

0.458

High

993077

NONO
Non-POU domain-containing octamer-binding protein

1

0

Small-scale

0.458

High

993081

LFG1
Protein lifeguard 1

1

0

Small-scale

0.458

High

993085

AMPB
Aminopeptidase B

1

0

Small-scale

0.458

High

993086

MA1B1
Endoplasmic reticulum mannosyl-oligosaccharide 1,2-alpha-mannosidase

1

0

Small-scale

0.458

High

801258

HSPA9
Stress-70 protein, mitochondrial

1

1

Small-scale

0.437

High

993078

AR13B
ADP-ribosylation factor-like protein 13B

2

0

High-throughput

0.316

High

993083

SC22A
Vesicle-trafficking protein SEC22a

2

0

High-throughput

0.316

High

481220

HMGB1
High mobility group protein B1

1

0

Small-scale

0.249

Low

621465

HXK1
Hexokinase-1

1

0

Small-scale

0.249

Low

660600

IF4B
Eukaryotic translation initiation factor 4B

1

0

Small-scale

0.249

Low

993073

UBE4A
Ubiquitin conjugation factor E4 A

1

0

Small-scale

0.249

Low

993079

FILA2
Filaggrin-2

1

0

Small-scale

0.249

Low

993080

EIF3M
Eukaryotic translation initiation factor 3 subunit M

1

0

Small-scale

0.249

Low

993082

TNPO1
Transportin-1

1

0

Small-scale

0.249

Low

993087

UBP15
Ubiquitin carboxyl-terminal hydrolase 15

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025