Protein: COQ9
Ubiquinone biosynthesis protein COQ9, mitochondrial

Gene: COQ9
Organism: Homo sapiens
Interactions: 224
UniProt ID: O75208

Gene Ontology (top 5):
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0006120 - mitochondrial electron transport, NADH to ubiquinone
GO:0006744 - ubiquinone biosynthetic process
GO:0008047 - enzyme activator activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

275087

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

1

1

High-throughput

0.724

High

275070

COQ8A
Atypical kinase COQ8A, mitochondrial

3

2

High-throughput

0.653

High

274942

COQ9
Ubiquinone biosynthesis protein COQ9, mitochondrial

1

1

High-throughput

0.618

High

275080

ACSF2
Medium-chain acyl-CoA ligase ACSF2, mitochondrial

2

2

High-throughput

0.606

High

274964

HMOX1
Heme oxygenase 1

2

0

High-throughput

0.580

High

274999

P5CS
Delta-1-pyrroline-5-carboxylate synthase

2

0

High-throughput

0.580

High

275026

ADIPO
Adiponectin

2

0

High-throughput

0.580

High

275125

TM14C
Transmembrane protein 14C

2

0

High-throughput

0.580

High

275131

T3JAM
TRAF3-interacting JNK-activating modulator

2

0

High-throughput

0.580

High

275035

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

1

1

High-throughput

0.561

High

275121

COQ3
Ubiquinone biosynthesis O-methyltransferase, mitochondrial

1

2

High-throughput

0.561

High

275139

COQ6
Ubiquinone biosynthesis monooxygenase COQ6, mitochondrial

1

1

High-throughput

0.561

High

275140

COQ4
Ubiquinone biosynthesis protein COQ4 homolog, mitochondrial

1

1

High-throughput

0.561

High

274989

KI2L3
Killer cell immunoglobulin-like receptor 2DL3

2

1

High-throughput

0.553

High

275019

SREC
Scavenger receptor class F member 1

2

1

High-throughput

0.553

High

275046

VSTM1
V-set and transmembrane domain-containing protein 1

2

1

High-throughput

0.553

High

275060

THEM5
Acyl-coenzyme A thioesterase THEM5

1

0

High-throughput

0.513

High

275138

SYYM
Tyrosine--tRNA ligase, mitochondrial

1

0

High-throughput

0.513

High

274966

PPGB
Lysosomal protective protein

1

1

High-throughput

0.481

High

275086

MGLL
Monoglyceride lipase

1

1

High-throughput

0.481

High

249388

ACSL4
Long-chain-fatty-acid--CoA ligase 4

1

2

High-throughput

0.479

High

274945

NIPS2
Protein NipSnap homolog 2

1

1

High-throughput

0.479

High

274947

MPPB
Mitochondrial-processing peptidase subunit beta

1

4

High-throughput

0.479

High

274949

ECI2
Enoyl-CoA delta isomerase 2

1

1

High-throughput

0.479

High

274958

SNP29
Synaptosomal-associated protein 29

1

1

High-throughput

0.479

High

274961

NB5R3
NADH-cytochrome b5 reductase 3

1

1

High-throughput

0.479

High

274969

ADT1
ADP/ATP translocase 1

1

3

High-throughput

0.479

High

274970

ADT3
ADP/ATP translocase 3

1

3

High-throughput

0.479

High

274973

IDE
Insulin-degrading enzyme

1

2

High-throughput

0.479

High

274977

COX5A
Cytochrome c oxidase subunit 5A, mitochondrial

1

1

High-throughput

0.479

High

274978

AOFA
Amine oxidase [flavin-containing] A

1

1

High-throughput

0.479

High

274979

SDHB
Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial

1

1

High-throughput

0.479

High

274981

QCR2
Cytochrome b-c1 complex subunit 2, mitochondrial

1

5

High-throughput

0.479

High

274983

CPT2
Carnitine O-palmitoyltransferase 2, mitochondrial

1

1

High-throughput

0.479

High

274985

ABCD3
ATP-binding cassette sub-family D member 3

1

1

High-throughput

0.479

High

274987

ACSL1
Long-chain-fatty-acid--CoA ligase 1

1

2

High-throughput

0.479

High

274992

PPOX
Protoporphyrinogen oxidase

1

1

High-throughput

0.479

High

274993

CPT1A
Carnitine O-palmitoyltransferase 1, liver isoform

1

1

High-throughput

0.479

High

274996

TXTP
Tricarboxylate transport protein, mitochondrial

1

3

High-throughput

0.479

High

275005

S25A3
Solute carrier family 25 member 3

1

3

High-throughput

0.479

High

275006

BDH
D-beta-hydroxybutyrate dehydrogenase, mitochondrial

1

1

High-throughput

0.479

High

275007

M2OM
Mitochondrial 2-oxoglutarate/malate carrier protein

1

5

High-throughput

0.479

High

275012

MPPA
Mitochondrial-processing peptidase subunit alpha

1

5

High-throughput

0.479

High

275013

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

1

2

High-throughput

0.479

High

275014

ACACA
Acetyl-CoA carboxylase 1

1

1

High-throughput

0.479

High

275018

RAB32
Ras-related protein Rab-32

1

1

High-throughput

0.479

High

275029

HSDL1
Inactive hydroxysteroid dehydrogenase-like protein 1

1

1

High-throughput

0.479

High

275040

SCMC1
Mitochondrial adenyl nucleotide antiporter SLC25A24

1

2

High-throughput

0.479

High

275041

SFXN4
Sideroflexin-4

1

1

High-throughput

0.479

High

275047

HSDL2
Hydroxysteroid dehydrogenase-like protein 2

1

2

High-throughput

0.479

High

275054

CMTD1
Catechol O-methyltransferase domain-containing protein 1

1

1

High-throughput

0.479

High

275056

MIRO2
Mitochondrial Rho GTPase 2

1

2

High-throughput

0.479

High

275057

MIRO1
Mitochondrial Rho GTPase 1

1

2

High-throughput

0.479

High

275064

CISD2
CDGSH iron-sulfur domain-containing protein 2

1

1

High-throughput

0.479

High

275065

RDH13
Retinol dehydrogenase 13

1

2

High-throughput

0.479

High

275076

RAB24
Ras-related protein Rab-24

1

1

High-throughput

0.479

High

275081

COQ8B
Atypical kinase COQ8B, mitochondrial

1

2

High-throughput

0.479

High

275088

NIPS1
Protein NipSnap homolog 1

1

1

High-throughput

0.479

High

275102

CLPB
Mitochondrial disaggregase

1

1

High-throughput

0.479

High

275107

SFXN1
Sideroflexin-1

1

1

High-throughput

0.479

High

275118

ATD3A
ATPase family AAA domain-containing protein 3A

1

1

High-throughput

0.479

High

275120

CISD1
CDGSH iron-sulfur domain-containing protein 1

1

1

High-throughput

0.479

High

275127

DIC
Mitochondrial dicarboxylate carrier

1

4

High-throughput

0.479

High

275128

NB5R1
NADH-cytochrome b5 reductase 1

1

1

High-throughput

0.479

High

275130

ACSL5
Long-chain-fatty-acid--CoA ligase 5

1

2

High-throughput

0.479

High

275146

MTCH2
Mitochondrial carrier homolog 2

1

4

High-throughput

0.479

High

2830

A0A0C4DFN3
Monoglyceride lipase

1

1

High-throughput

0.470

High

275010

ECHP
Peroxisomal bifunctional enzyme

1

1

High-throughput

0.470

High

275034

Q59EV6
Carboxypeptidase

1

1

High-throughput

0.470

High

127432

NDUS8
NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial

1

0

High-throughput

0.458

High

155386

DHSD
Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, mitochondrial

1

0

High-throughput

0.458

High

168062

TIM23
Mitochondrial import inner membrane translocase subunit Tim23

1

0

High-throughput

0.458

High

177494

MRPP3
Mitochondrial ribonuclease P catalytic subunit

1

0

High-throughput

0.458

High

221482

TIM44
Mitochondrial import inner membrane translocase subunit TIM44

1

0

High-throughput

0.458

High

225154

TRIA1
TP53-regulated inhibitor of apoptosis 1

1

0

High-throughput

0.458

High

228769

SCO2
Protein SCO2 homolog, mitochondrial

1

0

High-throughput

0.458

High

245389

OPA1
Dynamin-like GTPase OPA1, mitochondrial

1

0

High-throughput

0.458

High

268961

ABCB7
Iron-sulfur clusters transporter ABCB7, mitochondrial

1

0

High-throughput

0.458

High

274943

NDUS7
NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial

1

0

High-throughput

0.458

High

274944

NDUS2
NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial

1

0

High-throughput

0.458

High

274946

NDUB1
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1

1

0

High-throughput

0.458

High

274948

NDUS3
NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial

1

0

High-throughput

0.458

High

274950

ERAL1
GTPase Era, mitochondrial

1

0

High-throughput

0.458

High

274951

ATP5H
ATP synthase peripheral stalk subunit d, mitochondrial

1

0

High-throughput

0.458

High

274952

CLPX
ATP-dependent clpX-like chaperone, mitochondrial

1

0

High-throughput

0.458

High

274954

GLSK
Glutaminase kidney isoform, mitochondrial

1

0

High-throughput

0.458

High

274955

LETM1
Mitochondrial proton/calcium exchanger protein

1

0

High-throughput

0.458

High

274957

MPC2
Mitochondrial pyruvate carrier 2

1

0

High-throughput

0.458

High

274959

TOM40
Mitochondrial import receptor subunit TOM40 homolog

1

0

High-throughput

0.458

High

274960

PX11B
Peroxisomal membrane protein 11B

1

0

High-throughput

0.458

High

274962

P53
Cellular tumor antigen p53

1

0

High-throughput

0.458

High

274965

COX6C
Cytochrome c oxidase subunit 6C

1

0

High-throughput

0.458

High

274967

MGST1
Microsomal glutathione S-transferase 1

1

0

High-throughput

0.458

High

274968

CX6A1
Cytochrome c oxidase subunit 6A1, mitochondrial

1

0

High-throughput

0.458

High

274972

CX7A2
Cytochrome c oxidase subunit 7A2, mitochondrial

1

0

High-throughput

0.458

High

274974

TMM11
Transmembrane protein 11, mitochondrial

1

0

High-throughput

0.458

High

274976

ATP5J
ATP synthase peripheral stalk subunit F6, mitochondrial

1

0

High-throughput

0.458

High

274982

HEMH
Ferrochelatase, mitochondrial

1

0

High-throughput

0.458

High

274984

AT5F1
ATP synthase peripheral stalk subunit b, mitochondrial

1

0

High-throughput

0.458

High

274986

NDUS1
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial

1

0

High-throughput

0.458

High

274988

ATPG
ATP synthase F(1) complex subunit gamma, mitochondrial

1

0

High-throughput

0.458

High

274990

ATPO
ATP synthase peripheral stalk subunit OSCP, mitochondrial

1

0

High-throughput

0.458

High

274991

ACADV
Very long-chain specific acyl-CoA dehydrogenase, mitochondrial

1

0

High-throughput

0.458

High

274994

NDUA8
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8

1

0

High-throughput

0.458

High

274995

HXK2
Hexokinase-2

1

0

High-throughput

0.458

High

274997

CCHL
Holocytochrome c-type synthase

1

0

High-throughput

0.458

High

275000

ATP5E
ATP synthase F(1) complex subunit epsilon, mitochondrial

1

0

High-throughput

0.458

High

275001

ATP5I
ATP synthase F(0) complex subunit e, mitochondrial

1

0

High-throughput

0.458

High

275002

SYJ2B
Synaptojanin-2-binding protein

1

0

High-throughput

0.458

High

275003

ROMO1
Reactive oxygen species modulator 1

1

0

High-throughput

0.458

High

275008

C1QBP
Complement component 1 Q subcomponent-binding protein, mitochondrial

1

0

High-throughput

0.458

High

275009

BAX
Apoptosis regulator BAX

1

0

High-throughput

0.458

High

275016

NNTM
NAD(P) transhydrogenase, mitochondrial

1

0

High-throughput

0.458

High

275017

MTX1
Metaxin-1

1

0

High-throughput

0.458

High

275020

FKBP8
Peptidyl-prolyl cis-trans isomerase FKBP8

1

0

High-throughput

0.458

High

275023

OXA1L
Mitochondrial inner membrane protein OXA1L

1

0

High-throughput

0.458

High

275027

ETFD
Electron transfer flavoprotein-ubiquinone oxidoreductase, mitochondrial

1

0

High-throughput

0.458

High

275028

NDUA5
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5

1

0

High-throughput

0.458

High

275030

TIM50
Mitochondrial import inner membrane translocase subunit TIM50

1

0

High-throughput

0.458

High

275031

COX19
Cytochrome c oxidase assembly protein COX19

1

0

High-throughput

0.458

High

275033

AGK
Acylglycerol kinase, mitochondrial

1

0

High-throughput

0.458

High

275036

COX20
Cytochrome c oxidase assembly protein COX20, mitochondrial

1

0

High-throughput

0.458

High

275037

LYRM7
Complex III assembly factor LYRM7

1

0

High-throughput

0.458

High

275042

TMM65
Transmembrane protein 65

1

0

High-throughput

0.458

High

275049

COX15
Heme A synthase COX15

1

0

High-throughput

0.458

High

275050

MAVS
Mitochondrial antiviral-signaling protein

1

0

High-throughput

0.458

High

275052

GLRX5
Glutaredoxin-related protein 5, mitochondrial

1

0

High-throughput

0.458

High

275058

SPART
Spartin

1

0

High-throughput

0.458

High

275059

NDUF2
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 2

1

0

High-throughput

0.458

High

275061

ARM10
Armadillo repeat-containing protein 10

1

0

High-throughput

0.458

High

275063

PPM1K
Protein phosphatase Mn(2+)-dependent 1K

1

0

High-throughput

0.458

High

275066

ATAD1
Outer mitochondrial transmembrane helix translocase

1

0

High-throughput

0.458

High

275067

SCPDL
Saccharopine dehydrogenase-like oxidoreductase

1

0

High-throughput

0.458

High

275068

CHDH
Choline dehydrogenase, mitochondrial

1

0

High-throughput

0.458

High

275072

PTPM1
Phosphatidylglycerophosphatase and protein-tyrosine phosphatase 1

1

0

High-throughput

0.458

High

275074

MAIP1
m-AAA protease-interacting protein 1, mitochondrial

1

0

High-throughput

0.458

High

275075

RT4I1
NAD(P)H oxidoreductase RTN4IP1, mitochondrial

1

0

High-throughput

0.458

High

275077

FAKD4
FAST kinase domain-containing protein 4

1

0

High-throughput

0.458

High

275078

MCUR1
Mitochondrial calcium uniporter regulator 1

1

0

High-throughput

0.458

High

275079

TAM41
Phosphatidate cytidylyltransferase, mitochondrial

1

0

High-throughput

0.458

High

275082

TIM14
Mitochondrial import inner membrane translocase subunit TIM14

1

0

High-throughput

0.458

High

275083

MITOK
Mitochondrial potassium channel

1

0

High-throughput

0.458

High

275084

ATPMK
ATP synthase F(0) complex subunit k, mitochondrial

1

0

High-throughput

0.458

High

275089

MICU1
Calcium uptake protein 1, mitochondrial

1

0

High-throughput

0.458

High

275093

NDUF3
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 3

1

0

High-throughput

0.458

High

275094

TMM70
Transmembrane protein 70, mitochondrial

1

0

High-throughput

0.458

High

275095

HTAI2
Protein HTATIP2

1

0

High-throughput

0.458

High

275096

RCAF1
GEL complex subunit OPTI

1

0

High-throughput

0.458

High

275097

TIM21
Mitochondrial import inner membrane translocase subunit Tim21

1

0

High-throughput

0.458

High

275098

SYTM
Threonine--tRNA ligase, mitochondrial

1

0

High-throughput

0.458

High

275099

FUND2
FUN14 domain-containing protein 2

1

0

High-throughput

0.458

High

275101

NMES1
Normal mucosa of esophagus-specific gene 1 protein

1

0

High-throughput

0.458

High

275103

RM46
Large ribosomal subunit protein mL46

1

0

High-throughput

0.458

High

275104

GOLP3
Golgi phosphoprotein 3

1

0

High-throughput

0.458

High

275105

PGES2
Prostaglandin E synthase 2

1

0

High-throughput

0.458

High

275106

NT5D2
5'-nucleotidase domain-containing protein 2

1

0

High-throughput

0.458

High

275108

L2HDH
L-2-hydroxyglutarate dehydrogenase, mitochondrial

1

0

High-throughput

0.458

High

275111

TIDC1
Complex I assembly factor TIMMDC1, mitochondrial

1

0

High-throughput

0.458

High

275112

HINT3
Adenosine 5'-monophosphoramidase HINT3

1

0

High-throughput

0.458

High

275113

D39U1
Epimerase family protein SDR39U1

1

0

High-throughput

0.458

High

275114

COXM2
COX assembly mitochondrial protein 2 homolog

1

0

High-throughput

0.458

High

275115

HEBP1
Heme-binding protein 1

1

0

High-throughput

0.458

High

275117

TOM22
Mitochondrial import receptor subunit TOM22 homolog

1

0

High-throughput

0.458

High

275122

NDUF4
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 4

1

0

High-throughput

0.458

High

275123

NDUAD
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13

1

0

High-throughput

0.458

High

275126

SUCB1
Succinate--CoA ligase [ADP-forming] subunit beta, mitochondrial

1

0

High-throughput

0.458

High

275129

STML2
Stomatin-like protein 2, mitochondrial

1

0

High-throughput

0.458

High

275132

PRLD1
PRELI domain-containing protein 1, mitochondrial

1

0

High-throughput

0.458

High

275133

BCS1
Mitochondrial chaperone BCS1

1

0

High-throughput

0.458

High

275135

GSTK1
Glutathione S-transferase kappa 1

1

0

High-throughput

0.458

High

275136

COA3
Cytochrome c oxidase assembly factor 3 homolog, mitochondrial

1

0

High-throughput

0.458

High

275137

PDIP2
Polymerase delta-interacting protein 2

1

0

High-throughput

0.458

High

275141

FIS1
Mitochondrial fission 1 protein

1

0

High-throughput

0.458

High

275142

TIM16
Mitochondrial import inner membrane translocase subunit TIM16

1

0

High-throughput

0.458

High

275143

PTH2
Peptidyl-tRNA hydrolase 2, mitochondrial

1

0

High-throughput

0.458

High

275144

AFG32
Mitochondrial inner membrane m-AAA protease component AFG3L2

1

0

High-throughput

0.458

High

275145

NFS1
Cysteine desulfurase

1

0

High-throughput

0.458

High

275147

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

1

0

High-throughput

0.458

High

275149

COX11
Cytochrome c oxidase assembly protein COX11, mitochondrial

1

0

High-throughput

0.458

High

275150

SQOR
Sulfide:quinone oxidoreductase, mitochondrial

1

0

High-throughput

0.458

High

275044

ZNT9
Proton-coupled zinc antiporter SLC30A9, mitochondrial

1

2

High-throughput

0.445

High

274980

COMT
Catechol O-methyltransferase

1

1

High-throughput

0.437

High

275039

DRS7B
Dehydrogenase/reductase SDR family member 7B

1

3

High-throughput

0.437

High

275071

RDH11
Retinol dehydrogenase 11

1

2

High-throughput

0.437

High

275109

RDH14
Retinol dehydrogenase 14

1

2

High-throughput

0.437

High

156544

C56D2
Transmembrane reductase CYB561D2

2

0

High-throughput

0.316

High

164885

TR10C
Tumor necrosis factor receptor superfamily member 10C

2

0

High-throughput

0.316

High

274956

BMP10
Bone morphogenetic protein 10

2

0

High-throughput

0.316

High

275011

GALT2
Polypeptide N-acetylgalactosaminyltransferase 2

2

0

High-throughput

0.316

High

275015

STX3
Syntaxin-3

2

0

High-throughput

0.316

High

275021

WFDC2
WAP four-disulfide core domain protein 2

2

0

High-throughput

0.316

High

275032

CTXN3
Cortexin-3

2

0

High-throughput

0.316

High

275053

TSN33
Tetraspanin-33

2

0

High-throughput

0.316

High

275062

TM86A
Lysoplasmalogenase TMEM86A

2

0

High-throughput

0.316

High

275069

CC4L
C-C motif chemokine 4-like

2

0

High-throughput

0.316

High

275090

CYBC1
Cytochrome b-245 chaperone 1

2

0

High-throughput

0.316

High

275092

TMM79
Transmembrane protein 79

2

0

High-throughput

0.316

High

275116

PLS2
Phospholipid scramblase 2

2

0

High-throughput

0.316

High

275124

ORML1
ORM1-like protein 1

2

0

High-throughput

0.316

High

275148

TX264
Testis-expressed protein 264

2

0

High-throughput

0.316

High

275051

CLNK
Cytokine-dependent hematopoietic cell linker

2

0

High-throughput

0.310

High

274975

RL35A
Large ribosomal subunit protein eL33

1

0

High-throughput

0.279

Low

275134

NTNG1
Netrin-G1

1

0

High-throughput

0.279

Low

275100

S13A1
Solute carrier family 13 member 1

1

0

Small-scale

0.251

Low

275119

TBA8
Tubulin alpha-8 chain

1

0

High-throughput

0.251

Low

208934

CYB5B
Cytochrome b5 type B

1

0

High-throughput

0.249

Low

274963

THIK
3-ketoacyl-CoA thiolase, peroxisomal

1

0

High-throughput

0.249

Low

274971

EF2
Elongation factor 2

1

0

High-throughput

0.249

Low

274998

MOT1
Monocarboxylate transporter 1

1

0

High-throughput

0.249

Low

275004

GBG5

1

0

High-throughput

0.249

Low

275022

EMC2
ER membrane protein complex subunit 2

1

0

High-throughput

0.249

Low

275024

RAB35
Ras-related protein Rab-35

1

0

High-throughput

0.249

Low

275025

DHC24
Delta(24)-sterol reductase

1

0

High-throughput

0.249

Low

275043

NCEH1
Neutral cholesterol ester hydrolase 1

1

0

High-throughput

0.249

Low

275045

TM205
Transmembrane protein 205

1

0

High-throughput

0.249

Low

275048

TRI67
Tripartite motif-containing protein 67

1

0

High-throughput

0.249

Low

275073

DCAKD
Dephospho-CoA kinase domain-containing protein

1

0

High-throughput

0.249

Low

275091

PXL2A
Peroxiredoxin-like 2A

1

0

High-throughput

0.249

Low

274953

ACL6B
Actin-like protein 6B

1

0

High-throughput

0.238

Low

275085

SPTCS
Spatacsin

1

0

Small-scale

0.238

Low

275110

ANO8
Anoctamin-8

1

0

High-throughput

0.238

Low

275038

A16L1
Autophagy-related protein 16-1

1

0

High-throughput

0.232

Low

275055

SPA12
Serpin A12

1

0

High-throughput

0.232

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025