Protein: QCR9
Cytochrome b-c1 complex subunit 9 (Complex III subunit 9) (Complex III subunit X) (Cytochrome c1 non-heme 7 kDa protein) (Ubiquinol-cytochrome c reductase complex 7.2 kDa protein)

Gene: QCR9, UQCR10
Organism: Homo sapiens
Interactions: 56
UniProt ID: Q9UDW1

Gene Ontology (top 5):
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0006122 - mitochondrial electron transport, ubiquinol to cytochrome c
GO:0008121 - quinol-cytochrome-c reductase activity
GO:0045275 - respiratory chain complex III

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

471705

CY1
Cytochrome c1, heme protein, mitochondrial

2

0

High-throughput

0.748

High

869257

UCRI
Cytochrome b-c1 complex subunit Rieske, mitochondrial

1

1

High-throughput

0.691

High

578011

QCR7
Cytochrome b-c1 complex subunit 7

2

0

High-throughput

0.585

High

169019

QCR8
Cytochrome b-c1 complex subunit 8

2

0

High-throughput

0.576

High

462816

QCR6
Cytochrome b-c1 complex subunit 6, mitochondrial

2

0

High-throughput

0.576

High

1209761

LRRK2
Leucine-rich repeat serine/threonine-protein kinase 2

2

0

High-throughput

0.547

High

651887

QCR2
Cytochrome b-c1 complex subunit 2, mitochondrial

1

2

High-throughput

0.536

High

728834

QCR1
Cytochrome b-c1 complex subunit 1, mitochondrial

1

2

High-throughput

0.536

High

156210

CO72L
Cytochrome c oxidase subunit 7A2-like, mitochondrial

1

0

High-throughput

0.513

High

357865

CYB
Cytochrome b

1

0

High-throughput

0.513

High

576147

CX6B1
Cytochrome c oxidase subunit 6B1

1

0

High-throughput

0.513

High

1163558

NDUA9
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial

1

0

High-throughput

0.513

High

1294683

NDUAB
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11

1

0

High-throughput

0.513

High

1435977

PGES2
Prostaglandin E synthase 2

1

0

High-throughput

0.513

High

1446594

TIDC1
Complex I assembly factor TIMMDC1, mitochondrial

1

0

High-throughput

0.513

High

1448627

ABCBA
ATP-binding cassette sub-family B member 10, mitochondrial

1

0

High-throughput

0.513

High

284002

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

1

0

High-throughput

0.458

High

328331

NDUB4
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4

1

0

High-throughput

0.458

High

1162606

CLPP
ATP-dependent Clp protease proteolytic subunit, mitochondrial

1

0

Small-scale

0.458

High

1290995

TAXB1
Tax1-binding protein 1

1

0

High-throughput

0.458

High

1420432

NMES1
Normal mucosa of esophagus-specific gene 1 protein

1

0

High-throughput

0.458

High

530512

TAU
Microtubule-associated protein tau

1

0

High-throughput

0.426

High

539911

RALB
Ras-related protein Ral-B

2

0

High-throughput

0.298

High

1431201

MYLK2
Myosin light chain kinase 2, skeletal/cardiac muscle

2

0

High-throughput

0.298

High

222394

TSN6
Tetraspanin-6

1

0

High-throughput

0.279

Low

686873

S10A4
Protein S100-A4

1

0

High-throughput

0.279

Low

889032

TMEDA
Transmembrane emp24 domain-containing protein 10

1

0

High-throughput

0.279

Low

1134418

IMB1
Importin subunit beta-1

1

0

High-throughput

0.279

Low

1448728

OLFL3
Olfactomedin-like protein 3

1

0

High-throughput

0.269

Low

106792

APRIO
Alternative prion protein

1

0

High-throughput

0.249

Low

164463

NRP1
Neuropilin-1

1

0

High-throughput

0.249

Low

223399

PRC1
Protein regulator of cytokinesis 1

1

0

High-throughput

0.249

Low

294476

CD123
Translation initiation factor eIF2 assembly protein

1

0

High-throughput

0.249

Low

320116

UFL1
E3 UFM1-protein ligase 1

1

0

High-throughput

0.249

Low

353608

AGR2
Anterior gradient protein 2 homolog

1

0

High-throughput

0.249

Low

589945

RFA2
Replication protein A 32 kDa subunit

1

0

High-throughput

0.249

Low

641695

ERBB3
Receptor tyrosine-protein kinase erbB-3

1

0

High-throughput

0.249

Low

696767

RFA1
Replication protein A 70 kDa DNA-binding subunit

1

0

High-throughput

0.249

Low

769420

RFA3
Replication protein A 14 kDa subunit

1

0

High-throughput

0.249

Low

828467

PEX19
Peroxisomal biogenesis factor 19

1

0

High-throughput

0.249

Low

831585

CCNF
Cyclin-F

1

0

High-throughput

0.249

Low

879578

NR2C2
Nuclear receptor subfamily 2 group C member 2

1

0

High-throughput

0.249

Low

906942

GPM6A
Neuronal membrane glycoprotein M6-a

1

0

High-throughput

0.249

Low

937952

FOXA1
Hepatocyte nuclear factor 3-alpha

1

0

High-throughput

0.249

Low

942939

BCAR1
Breast cancer anti-estrogen resistance protein 1

1

0

High-throughput

0.249

Low

947303

NLRP6
NACHT, LRR and PYD domains-containing protein 6

1

0

High-throughput

0.249

Low

1156888

E2F4
Transcription factor E2F4

1

0

High-throughput

0.249

Low

1229742

VIR
Protein virilizer homolog

1

0

High-throughput

0.249

Low

1255947

TRI67
Tripartite motif-containing protein 67

1

0

High-throughput

0.249

Low

1308542

SL9A9
Sodium/hydrogen exchanger 9

1

0

Small-scale

0.249

Low

1393791

DDRGK
DDRGK domain-containing protein 1

1

0

High-throughput

0.249

Low

1397525

CI072
Guanine nucleotide exchange factor C9orf72

1

0

High-throughput

0.249

Low

1435407

EGLN3
Prolyl hydroxylase EGLN3

1

0

High-throughput

0.249

Low

1242968

S39A4
Zinc transporter ZIP4

1

0

High-throughput

0.232

Low

1326131

RYBP
RING1 and YY1-binding protein

1

0

High-throughput

0.232

Low

1446739

S52A3
Solute carrier family 52, riboflavin transporter, member 3

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025