Protein: SIM20
Small integral membrane protein 20 (Mitochondrial translation regulation assembly intermediate of cytochrome c oxidase protein of 7 kDa) (MITRAC7) [Cleaved into: Phoenixin-14 (PNX-14); Phoenixin-20 (PNX-20)]

Gene: SIM20, SMIM20
Organism: Homo sapiens
Interactions: 14
UniProt ID: Q8N5G0

Gene Ontology (top 5):
GO:0005576 - extracellular region
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0033617 - mitochondrial cytochrome c oxidase assembly

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1145750

ERBB4
Receptor tyrosine-protein kinase erbB-4

2

2

High-throughput

0.576

High

410942

ERBB2
Receptor tyrosine-protein kinase erbB-2

2

2

High-throughput

0.526

High

641625

ERBB3
Receptor tyrosine-protein kinase erbB-3

2

2

High-throughput

0.526

High

560016

COX41
Cytochrome c oxidase subunit 4 isoform 1, mitochondrial

1

0

High-throughput

0.458

High

664534

COX7B
Cytochrome c oxidase subunit 7B, mitochondrial

1

0

High-throughput

0.458

High

853823

MK09
Mitogen-activated protein kinase 9

1

0

High-throughput

0.458

High

1327685

SFXN1
Sideroflexin-1

1

0

High-throughput

0.458

High

388650

C1QA
Complement C1q subcomponent subunit A

1

0

High-throughput

0.426

High

1327686

COA3
Cytochrome c oxidase assembly factor 3 homolog, mitochondrial

1

0

Small-scale

0.426

High

260912

RAMP3
Receptor activity-modifying protein 3

1

0

High-throughput

0.279

Low

970776

UBE2H
Ubiquitin-conjugating enzyme E2 H

1

0

High-throughput

0.249

Low

182659

GP182
G-protein coupled receptor 182

1

0

High-throughput

0.232

Low

250116

ADCY9
Adenylate cyclase type 9

1

0

High-throughput

0.232

Low

1327684

SAAL1
Protein SAAL1

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025