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

Gene: COQ4
Organism: Saccharomyces cerevisiae S288C
Interactions: 30
UniProt ID: O13525

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

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

150079

COQ9
Ubiquinone biosynthesis protein COQ9, mitochondrial

4

1

Small-scale

0.686

High

150064

COQ3
Ubiquinone biosynthesis O-methyltransferase, mitochondrial

2

1

Small-scale

0.584

High

150072

COQ7
5-demethoxyubiquinone hydroxylase, mitochondrial

2

1

High-throughput

0.584

High

150073

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

1

2

High-throughput

0.479

High

150075

COQ6
Ubiquinone biosynthesis monooxygenase COQ6, mitochondrial

1

1

Small-scale

0.479

High

150059

HSP77
Import motor subunit, mitochondrial

1

0

High-throughput

0.458

High

150061

HSC82
ATP-dependent molecular chaperone HSC82

1

0

High-throughput

0.458

High

150063

ODPA
Pyruvate dehydrogenase E1 component subunit alpha, mitochondrial

1

0

High-throughput

0.458

High

150067

HSP78
Heat shock protein 78, mitochondrial

1

0

High-throughput

0.458

High

150074

TOM22
Mitochondrial import receptor subunit TOM22

1

0

High-throughput

0.458

High

150080

COQ11
MIOREX complex component 2

1

0

Small-scale

0.458

High

150055

EF1A
Elongation factor 1-alpha

1

0

High-throughput

0.426

High

150076

ORC1
Origin recognition complex subunit 1

1

0

High-throughput

0.249

Low

150081

VAM6
Vacuolar morphogenesis protein 6

1

0

High-throughput

0.249

Low

150082

MLH3
DNA mismatch repair protein MLH3

1

0

High-throughput

0.249

Low

150053

KPYK1
Pyruvate kinase 1

1

0

High-throughput

0.232

Low

150054

H4
Histone H4

1

0

High-throughput

0.232

Low

150056

H2A2
Histone H2A.2

1

0

High-throughput

0.232

Low

150057

RLA0
Large ribosomal subunit protein uL10

1

0

High-throughput

0.232

Low

150058

RS3
Small ribosomal subunit protein uS3

1

0

High-throughput

0.232

Low

150060

RL3
Large ribosomal subunit protein uL3

1

0

High-throughput

0.232

Low

150062

VATB
V-type proton ATPase subunit B

1

0

High-throughput

0.232

Low

150065

RL8B
Large ribosomal subunit protein eL8B

1

0

High-throughput

0.232

Low

150066

RSSA1
Small ribosomal subunit protein uS2A

1

0

High-throughput

0.232

Low

150068

RS3A1
Small ribosomal subunit protein eS1A

1

0

High-throughput

0.232

Low

150069

HSL1
Probable serine/threonine-protein kinase HSL1

1

0

High-throughput

0.232

Low

150070

IMDH2
Inosine-5'-monophosphate dehydrogenase 2

1

0

High-throughput

0.232

Low

150071

SSB2
Ribosome-associated molecular chaperone SSB2

1

0

High-throughput

0.232

Low

150077

RSC4
Chromatin structure-remodeling complex subunit RSC4

1

0

High-throughput

0.232

Low

150078

RUVB1
RuvB-like protein 1

1

0

High-throughput

0.232

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025