Protein: QCR2
Cytochrome b-c1 complex subunit 2, mitochondrial (Complex III subunit 2) (Core protein II) (Ubiquinol-cytochrome-c reductase complex core protein 2)

Gene: QCR2, Uqcrc2
Organism: Mus musculus
Interactions: 49
UniProt ID: Q9DB77

Gene Ontology (top 5):
GO:0004222 - metalloendopeptidase activity
GO:0005654 - nucleoplasm
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0006122 - mitochondrial electron transport, ubiquinol to cytochrome c

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1424191

QCR2
Cytochrome b-c1 complex subunit 2, mitochondrial

3

12

High-throughput

0.827

High

1423660

Q9CQB4
Cytochrome b-c1 complex subunit 7

2

4

High-throughput

0.754

High

1423899

QCR1
Cytochrome b-c1 complex subunit 1, mitochondrial

1

13

High-throughput

0.618

High

108879

G3X9H5
Huntingtin

2

3

High-throughput

0.584

High

426418

AATM
Aspartate aminotransferase, mitochondrial

2

1

High-throughput

0.584

High

1042189

ATPA
ATP synthase F(1) complex subunit alpha, mitochondrial

2

13

High-throughput

0.584

High

1423649

NDUA2
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2

2

5

High-throughput

0.584

High

1193941

SHAN3
SH3 and multiple ankyrin repeat domains protein 3

2

3

High-throughput

0.521

High

1362717

EED
Polycomb protein EED

1

3

High-throughput

0.515

High

357868

CYB
Cytochrome b

1

3

High-throughput

0.479

High

399098

CFAD
Complement factor D

1

1

High-throughput

0.479

High

877737

CX7A2
Cytochrome c oxidase subunit 7A2, mitochondrial

1

3

High-throughput

0.479

High

878182

ADT1
ADP/ATP translocase 1

1

4

High-throughput

0.479

High

926057

IDHP
Isocitrate dehydrogenase [NADP], mitochondrial

1

1

High-throughput

0.479

High

940729

CX7A1
Cytochrome c oxidase subunit 7A1, mitochondrial

1

3

High-throughput

0.479

High

946004

OPA1
Dynamin-like GTPase OPA1, mitochondrial

1

1

High-throughput

0.479

High

1021446

ATP5J
ATP synthase peripheral stalk subunit F6, mitochondrial

1

3

High-throughput

0.479

High

1190086

NT5D3
5'-nucleotidase domain-containing protein 3

1

2

High-throughput

0.479

High

1191228

UBP48
Ubiquitin carboxyl-terminal hydrolase 48

1

1

High-throughput

0.479

High

1221150

KIF1B
Kinesin-like protein KIF1B

1

1

High-throughput

0.479

High

1247204

NEB2
Neurabin-2

1

4

High-throughput

0.479

High

1282915

Q80X68
Citrate synthase

1

6

High-throughput

0.479

High

1408790

ACON
Aconitate hydratase, mitochondrial

1

4

High-throughput

0.479

High

1423980

CY1
Cytochrome c1, heme protein, mitochondrial

1

4

High-throughput

0.479

High

1424192

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

1

2

High-throughput

0.479

High

1424193

ETFB
Electron transfer flavoprotein subunit beta

1

3

High-throughput

0.479

High

1424194

LETM1
Mitochondrial proton/calcium exchanger protein

1

4

High-throughput

0.479

High

607816

HXK1
Hexokinase-1

1

0

High-throughput

0.458

High

1423718

NDUB9
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9

1

0

High-throughput

0.458

High

1424175

LYRM7
Complex III assembly factor LYRM7

1

0

High-throughput

0.458

High

905978

CAV3
Caveolin-3

1

1

High-throughput

0.445

High

999251

1433F
14-3-3 protein eta

1

4

High-throughput

0.445

High

1021751

THIOM
Thioredoxin, mitochondrial

1

2

High-throughput

0.445

High

1032721

CAC1C
Voltage-dependent L-type calcium channel subunit alpha-1C

1

1

High-throughput

0.445

High

1222018

VDAC1
Non-selective voltage-gated ion channel VDAC1

1

6

High-throughput

0.445

High

1223733

DLG4
Disks large homolog 4

1

1

High-throughput

0.445

High

1296781

COX15
Heme A synthase COX15

1

2

High-throughput

0.445

High

1424023

ODO2
Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex, mitochondrial

1

10

High-throughput

0.445

High

97504

PRRT2
Proline-rich transmembrane protein 2

1

2

High-throughput

0.437

High

789775

THB
Thyroid hormone receptor beta

1

2

High-throughput

0.437

High

1210823

CLU
Clustered mitochondria protein homolog

1

2

High-throughput

0.437

High

1282586

FACD2
Fanconi anemia group D2 protein homolog

1

3

High-throughput

0.437

High

1296342

BACD1
BTB/POZ domain-containing adapter for CUL3-mediated RhoA degradation protein 1

1

4

High-throughput

0.437

High

1317785

FNDC5
Fibronectin type III domain-containing protein 5

1

1

High-throughput

0.437

High

267078

OSMR
Oncostatin-M-specific receptor subunit beta

1

2

Small-scale

0.407

High

651576

CBL
E3 ubiquitin-protein ligase CBL

1

5

High-throughput

0.407

High

1021361

KCNQ1
Potassium voltage-gated channel subfamily KQT member 1

1

2

High-throughput

0.407

High

556536

KAP1
cAMP-dependent protein kinase type I-beta regulatory subunit

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025