Protein: QCR8
Cytochrome b-c1 complex subunit 8 (Complex III subunit 8) (Complex III subunit VIII) (Ubiquinol-cytochrome c reductase complex 9.5 kDa protein) (Ubiquinol-cytochrome c reductase complex ubiquinone-binding protein QP-C)

Gene: QCR8, UQCRQ
Organism: Homo sapiens
Interactions: 89
UniProt ID: O14949

Gene Ontology (top 5):
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0006122 - mitochondrial electron transport, ubiquinol to cytochrome c
GO:0021539 - subthalamus development
GO:0021548 - pons development

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

168965

QCR2
Cytochrome b-c1 complex subunit 2, mitochondrial

4

1

High-throughput

0.892

High

168956

CY1
Cytochrome c1, heme protein, mitochondrial

4

1

High-throughput

0.881

High

168963

QCR7
Cytochrome b-c1 complex subunit 7

5

0

High-throughput

0.872

High

168955

QCR6
Cytochrome b-c1 complex subunit 6, mitochondrial

3

1

High-throughput

0.855

High

168970

QCR1
Cytochrome b-c1 complex subunit 1, mitochondrial

3

1

High-throughput

0.855

High

168945

CYB
Cytochrome b

2

0

High-throughput

0.770

High

168975

UCRI
Cytochrome b-c1 complex subunit Rieske, mitochondrial

1

0

High-throughput

0.656

High

156177

CO72L
Cytochrome c oxidase subunit 7A2-like, mitochondrial

3

0

High-throughput

0.634

High

168962

CX6B1
Cytochrome c oxidase subunit 6B1

2

0

High-throughput

0.602

High

169016

PGES2
Prostaglandin E synthase 2

2

0

High-throughput

0.602

High

169019

QCR9
Cytochrome b-c1 complex subunit 9

2

0

High-throughput

0.576

High

168947

CYTS
Cystatin-S

2

1

High-throughput

0.574

High

168948

CYTN
Cystatin-SN

2

1

High-throughput

0.574

High

168961

COX41
Cytochrome c oxidase subunit 4 isoform 1, mitochondrial

1

1

High-throughput

0.536

High

169009

COX42
Cytochrome c oxidase subunit 4 isoform 2, mitochondrial

1

1

High-throughput

0.536

High

168954

LCK
Tyrosine-protein kinase Lck

2

1

High-throughput

0.521

High

168984

PTK6
Protein-tyrosine kinase 6

2

1

High-throughput

0.521

High

168942

AT2A1
Sarcoplasmic/endoplasmic reticulum calcium ATPase 1

1

0

High-throughput

0.513

High

168943

XRCC3
DNA repair protein XRCC3

1

0

High-throughput

0.513

High

168946

COX1
Cytochrome c oxidase subunit 1

1

0

High-throughput

0.513

High

168960

CX6A1
Cytochrome c oxidase subunit 6A1, mitochondrial

1

0

High-throughput

0.513

High

168978

RAB7A
Ras-related protein Rab-7a

1

0

High-throughput

0.513

High

169004

CX7B2
Cytochrome c oxidase subunit 7B2, mitochondrial

1

0

High-throughput

0.513

High

169010

NLRP3
NACHT, LRR and PYD domains-containing protein 3

1

0

High-throughput

0.513

High

169013

S22A4
Solute carrier family 22 member 4

1

0

High-throughput

0.513

High

168951

IGHA2
Immunoglobulin heavy constant alpha 2

2

1

High-throughput

0.504

High

168990

A16L1
Autophagy-related protein 16-1

1

1

High-throughput

0.479

High

137559

NDUA4
Cytochrome c oxidase subunit NDUFA4

1

0

High-throughput

0.458

High

168969

DNJA1
DnaJ homolog subfamily A member 1

1

0

High-throughput

0.458

High

168972

BASI
Basigin

1

0

High-throughput

0.458

High

169012

NMES1
Normal mucosa of esophagus-specific gene 1 protein

1

0

High-throughput

0.458

High

169014

TRABD
TraB domain-containing protein

1

0

High-throughput

0.458

High

168966

HEMH
Ferrochelatase, mitochondrial

1

0

High-throughput

0.426

High

168977

NRAM2
Natural resistance-associated macrophage protein 2

1

0

High-throughput

0.426

High

168988

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

1

0

High-throughput

0.426

High

168993

UQCC3
Ubiquinol-cytochrome-c reductase complex assembly factor 3

1

0

High-throughput

0.426

High

168950

IGHA1
Immunoglobulin heavy constant alpha 1

1

1

High-throughput

0.407

High

168985

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

1

1

High-throughput

0.407

High

168998

SV2B
Synaptic vesicle glycoprotein 2B

1

1

High-throughput

0.407

High

169022

ITM2B
Integral membrane protein 2B

1

1

High-throughput

0.407

High

169003

SPP2B
Signal peptide peptidase-like 2B

2

0

High-throughput

0.328

High

169006

BPIA2
BPI fold-containing family A member 2

2

0

High-throughput

0.328

High

169005

OPTN
Optineurin

1

0

High-throughput

0.292

High

165855

FFAR1
Free fatty acid receptor 1

1

0

High-throughput

0.279

Low

168952

FRIL
Ferritin light chain

1

0

High-throughput

0.279

Low

168968

PML
Protein PML

1

0

High-throughput

0.279

Low

168974

MAGA8
Melanoma-associated antigen 8

1

0

High-throughput

0.279

Low

168986

RA1L2
Heterogeneous nuclear ribonucleoprotein A1-like 2

1

0

High-throughput

0.279

Low

168989

SYT6
Synaptotagmin-6

1

0

High-throughput

0.279

Low

168992

CDC73
Parafibromin

1

0

High-throughput

0.279

Low

168995

T184A
Transmembrane protein 184A

1

0

High-throughput

0.279

Low

168999

F131B
Protein FAM131B

1

0

High-throughput

0.279

Low

169000

CIART
Circadian-associated transcriptional repressor

1

0

High-throughput

0.279

Low

169002

GLBL3
Beta-galactosidase-1-like protein 3

1

0

High-throughput

0.279

Low

169007

BORC6
BLOC-1-related complex subunit 6

1

0

High-throughput

0.279

Low

169011

TBA1C
Tubulin alpha-1C chain

1

0

High-throughput

0.279

Low

169017

HAUS2
HAUS augmin-like complex subunit 2

1

0

High-throughput

0.279

Low

169018

TM248
Transmembrane protein 248

1

0

High-throughput

0.279

Low

169021

NAT8B
N-acetyltransferase 8B

1

0

High-throughput

0.279

Low

169023

GOT1B
Vesicle transport protein GOT1B

1

0

High-throughput

0.279

Low

169024

WIF1
Wnt inhibitory factor 1

1

0

High-throughput

0.279

Low

168959

UBC
Polyubiquitin-C [Cleaved into: Ubiquitin]

1

0

High-throughput

0.261

Low

168982

ERCC6
DNA excision repair protein ERCC-6

1

0

High-throughput

0.261

Low

168991

GL1AD
DNA-directed RNA polymerase II subunit GRINL1A, isoforms 4/5

1

0

High-throughput

0.251

Low

104846

APRIO
Alternative prion protein

1

0

High-throughput

0.249

Low

131228

EIF3F
Eukaryotic translation initiation factor 3 subunit F

1

0

High-throughput

0.249

Low

164174

NRP1
Neuropilin-1

1

0

High-throughput

0.249

Low

168944

UFL1
E3 UFM1-protein ligase 1

1

0

High-throughput

0.249

Low

168949

INS
Insulin [Cleaved into: Insulin B chain; Insulin A chain]

1

0

High-throughput

0.249

Low

168953

GCR
Glucocorticoid receptor

1

0

High-throughput

0.249

Low

168957

F16P1
Fructose-1,6-bisphosphatase 1

1

0

High-throughput

0.249

Low

168964

RFA2
Replication protein A 32 kDa subunit

1

0

High-throughput

0.249

Low

168967

RFA1
Replication protein A 70 kDa DNA-binding subunit

1

0

High-throughput

0.249

Low

168971

RFA3
Replication protein A 14 kDa subunit

1

0

High-throughput

0.249

Low

168976

NR2C2
Nuclear receptor subfamily 2 group C member 2

1

0

High-throughput

0.249

Low

168979

UBE2H
Ubiquitin-conjugating enzyme E2 H

1

0

High-throughput

0.249

Low

168981

NRG1
Pro-neuregulin-1, membrane-bound isoform

1

0

High-throughput

0.249

Low

168994

LMBRL
Protein LMBR1L

1

0

High-throughput

0.249

Low

168996

BAKOR
Beclin 1-associated autophagy-related key regulator

1

0

High-throughput

0.249

Low

168997

TRI67
Tripartite motif-containing protein 67

1

0

High-throughput

0.249

Low

169001

FBXL6
F-box/LRR-repeat protein 6

1

0

High-throughput

0.249

Low

169008

DDRGK
DDRGK domain-containing protein 1

1

0

High-throughput

0.249

Low

169015

EGLN3
Prolyl hydroxylase EGLN3

1

0

High-throughput

0.249

Low

169020

ZRAN1
Ubiquitin thioesterase ZRANB1

1

0

High-throughput

0.249

Low

168958

MYZAP
Myocardial zonula adherens protein

1

0

High-throughput

0.238

Low

168983

ERCC8
DNA excision repair protein ERCC-8

1

0

High-throughput

0.238

Low

168973

EAA2
Excitatory amino acid transporter 2

1

0

High-throughput

0.232

Low

168980

TAGL
Transgelin

1

0

High-throughput

0.232

Low

168987

S39AC
Zinc transporter ZIP12

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025