Protein: COQ4
Ubiquinone biosynthesis protein COQ4 homolog, mitochondrial (4-hydroxy-3-methoxy-5-polyprenylbenzoate decarboxylase) (EC 4.1.1.130) (Coenzyme Q biosynthesis protein 4 homolog)

Gene: COQ4
Organism: Homo sapiens
Interactions: 37
UniProt ID: Q9Y3A0

Gene Ontology (top 5):
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0006744 - ubiquinone biosynthetic process
GO:0031314 - extrinsic component of mitochondrial inner membrane
GO:0032991 - protein-containing complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1491107

COQ4
Ubiquinone biosynthesis protein COQ4 homolog, mitochondrial

1

0

High-throughput

0.687

High

1205159

COQ5
2-methoxy-6-polyprenyl-1,4-benzoquinol methylase, mitochondrial

2

1

Small-scale

0.584

High

275140

COQ9
Ubiquinone biosynthesis protein COQ9, mitochondrial

1

1

High-throughput

0.561

High

289828

MTU1
Mitochondrial tRNA-specific 2-thiouridylase 1

1

0

High-throughput

0.513

High

322351

GLSK
Glutaminase kidney isoform, mitochondrial

1

0

High-throughput

0.513

High

533095

CH60
60 kDa heat shock protein, mitochondrial

1

0

High-throughput

0.513

High

1435679

WDR26
WD repeat-containing protein 26

1

0

High-throughput

0.513

High

1407386

COQ7
NADPH-dependent 3-demethoxyubiquinone 3-hydroxylase, mitochondrial

1

1

High-throughput

0.501

High

1250540

RBP10
Ran-binding protein 10

1

1

High-throughput

0.489

High

1272762

MAEA
E3 ubiquitin-protein transferase MAEA

1

3

High-throughput

0.489

High

1436209

RMD5A
E3 ubiquitin-protein transferase RMND5A

1

2

High-throughput

0.489

High

1451504

GID8
Glucose-induced degradation protein 8 homolog

1

3

High-throughput

0.489

High

1453379

COQ3
Ubiquinone biosynthesis O-methyltransferase, mitochondrial

1

2

High-throughput

0.479

High

1491016

COQ6
Ubiquinone biosynthesis monooxygenase COQ6, mitochondrial

1

1

High-throughput

0.479

High

1011754

RT35
Small ribosomal subunit protein mS35

1

0

High-throughput

0.458

High

1012384

RT15
Small ribosomal subunit protein uS15m

1

0

High-throughput

0.458

High

1092689

ECH1
Delta(3,5)-Delta(2,4)-dienoyl-CoA isomerase, mitochondrial

1

0

High-throughput

0.458

High

1158329

RM23
Large ribosomal subunit protein uL23m

1

0

High-throughput

0.458

High

1418171

RM13
Large ribosomal subunit protein uL13m

1

0

High-throughput

0.458

High

1418336

RM01
Large ribosomal subunit protein uL1m

1

0

High-throughput

0.458

High

1490907

PDIP2
Polymerase delta-interacting protein 2

1

0

High-throughput

0.458

High

1491108

RT16
Small ribosomal subunit protein bS16m

1

0

High-throughput

0.458

High

1491110

CHCH2
Coiled-coil-helix-coiled-coil-helix domain-containing protein 2

1

0

High-throughput

0.458

High

848219

MAGA2
Melanoma-associated antigen 2

2

0

High-throughput

0.316

High

1040408

DYST
Dystonin

1

0

High-throughput

0.279

Low

1218835

FOCAD
Focadhesin

1

0

High-throughput

0.279

Low

1307959

ARMC8
Armadillo repeat-containing protein 8

1

0

High-throughput

0.279

Low

1308070

ABC3F
DNA dC->dU-editing enzyme APOBEC-3F

1

0

High-throughput

0.279

Low

1309327

GID4
Glucose-induced degradation protein 4 homolog

1

0

High-throughput

0.279

Low

1327626

WDTC1
WD and tetratricopeptide repeats protein 1

1

0

High-throughput

0.279

Low

1388519

ZMY19
Zinc finger MYND domain-containing protein 19

1

0

High-throughput

0.279

Low

1388563

RMXL1
RNA binding motif protein, X-linked-like-1

1

0

High-throughput

0.279

Low

1418770

YTHD1
YTH domain-containing family protein 1

1

0

High-throughput

0.279

Low

1458561

HDAC6
Protein deacetylase HDAC6

1

0

High-throughput

0.279

Low

1461471

MKLN1
Muskelin

1

0

High-throughput

0.279

Low

1491109

TRRAP
Transformation/transcription domain-associated protein

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025