Protein: QCR1
Cytochrome b-c1 complex subunit 1, mitochondrial (Complex III subunit 1) (Core protein I) (Ubiquinol-cytochrome c oxidoreductase core protein 1) (Ubiquinol-cytochrome c reductase 44 kDa protein)

Gene: QCR1, COR1
Organism: Saccharomyces cerevisiae S288C
Interactions: 168
UniProt ID: P07256

Gene Ontology (top 5):
GO:0004222 - metalloendopeptidase activity
GO:0005739 - mitochondrion
GO:0005743 - mitochondrial inner membrane
GO:0006122 - mitochondrial electron transport, ubiquinol to cytochrome c
GO:0006627 - protein processing involved in protein targeting to mitochondrion

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

453087

QCR2
Cytochrome b-c1 complex subunit 2, mitochondrial

11

12

Small-scale

0.976

High

453088

UCRI
Cytochrome b-c1 complex subunit Rieske, mitochondrial

9

1

Small-scale

0.961

High

453089

QCR8
Cytochrome b-c1 complex subunit 8, mitochondrial

5

1

Small-scale

0.906

High

357801

QCR7
Cytochrome b-c1 complex subunit 7, mitochondrial

5

4

Small-scale

0.902

High

360768

COX5A
Cytochrome c oxidase subunit 5A, mitochondrial

3

3

Small-scale

0.817

High

360818

COX5B
Cytochrome c oxidase subunit 5B, mitochondrial

2

3

Small-scale

0.754

High

453104

ADT2
ADP,ATP carrier protein 2

8

4

Small-scale

0.746

High

399774

COX4
Cytochrome c oxidase subunit 4, mitochondrial

8

3

Small-scale

0.743

High

360633

COX2
Cytochrome c oxidase subunit 2

7

3

Small-scale

0.740

High

450417

CY1
Cytochrome c1, heme protein, mitochondrial

7

4

Small-scale

0.736

High

360314

COX1
Cytochrome c oxidase subunit 1

6

1

Small-scale

0.721

High

453130

TIM23
Mitochondrial import inner membrane translocase subunit TIM23

6

3

Small-scale

0.719

High

453185

SHY1
Cytochrome oxidase assembly protein SHY1

4

1

Small-scale

0.691

High

453187

RCF2
Respiratory supercomplex factor 2, mitochondrial

4

1

Small-scale

0.676

High

453199

RCF1
Respiratory supercomplex factor 1, mitochondrial

4

1

Small-scale

0.672

High

357747

QCR6
Cytochrome b-c1 complex subunit 6, mitochondrial

3

1

Small-scale

0.656

High

360853

COX6
Cytochrome c oxidase subunit 6, mitochondrial

3

3

Small-scale

0.640

High

453127

COX13
Cytochrome c oxidase subunit 13, mitochondrial

3

2

Small-scale

0.640

High

453137

MIC60
MICOS complex subunit MIC60

3

1

High-throughput

0.640

High

453092

HSP77
Import motor subunit, mitochondrial

3

8

High-throughput

0.633

High

453086

QCR1
Cytochrome b-c1 complex subunit 1, mitochondrial

1

12

Small-scale

0.618

High

453141

QCR10
Cytochrome b-c1 complex subunit 10, mitochondrial

1

1

High-throughput

0.618

High

453152

COX14
Cytochrome c oxidase assembly protein COX14

3

0

Small-scale

0.613

High

453153

TIM17
Mitochondrial import inner membrane translocase subunit TIM17

3

0

Small-scale

0.613

High

453183

TIM21
Mitochondrial import inner membrane translocase subunit TIM21

3

0

Small-scale

0.613

High

453223

USB1
U6 snRNA phosphodiesterase 1

2

1

High-throughput

0.601

High

357875

CYB
Cytochrome b

2

3

Small-scale

0.584

High

453091

ATPO
ATP synthase subunit 5, mitochondrial

2

5

Small-scale

0.584

High

453102

HSC82
ATP-dependent molecular chaperone HSC82

2

7

High-throughput

0.584

High

453109

QCR9
Cytochrome b-c1 complex subunit 9, mitochondrial

2

4

Small-scale

0.584

High

453158

COX15
Heme A synthase COX15

2

2

Small-scale

0.584

High

453172

RPN11
Ubiquitin carboxyl-terminal hydrolase RPN11

2

3

High-throughput

0.584

High

453177

TOM22
Mitochondrial import receptor subunit TOM22

2

1

High-throughput

0.584

High

453194

COX12
Cytochrome c oxidase subunit 12, mitochondrial

2

2

Small-scale

0.584

High

453195

TIM50
Mitochondrial import inner membrane translocase subunit TIM50

2

1

Small-scale

0.584

High

453201

YHM2
Citrate/oxoglutarate carrier protein

2

4

Small-scale

0.584

High

453216

FMP25
Protein FMP25, mitochondrial

2

6

Small-scale

0.584

High

453231

MIC10
MICOS complex subunit MIC10

2

1

High-throughput

0.571

High

453215

TIM14
Mitochondrial import inner membrane translocase subunit TIM14

2

0

Small-scale

0.559

High

453229

COA3
Cytochrome c oxidase assembly factor 3, mitochondrial

2

0

Small-scale

0.559

High

357685

CYC1
Cytochrome c isoform 1

1

2

Small-scale

0.550

High

453116

YJU2
Splicing factor YJU2

1

1

High-throughput

0.536

High

453147

MPC2
Mitochondrial pyruvate carrier 2

1

1

Small-scale

0.536

High

453159

FMP10
Uncharacterized mitochondrial membrane protein FMP10

1

1

High-throughput

0.536

High

453168

COQ7
5-demethoxyubiquinone hydroxylase, mitochondrial

1

4

High-throughput

0.536

High

453169

SMK1
Sporulation-specific mitogen-activated protein kinase SMK1

1

3

High-throughput

0.536

High

453190

RM22
Large ribosomal subunit protein uL22m

1

3

High-throughput

0.536

High

453096

HSP71
Heat shock protein SSA1

2

5

High-throughput

0.521

High

453176

BXI1
Bax inhibitor 1

1

2

Small-scale

0.515

High

444813

SIR3
Regulatory protein SIR3

1

0

High-throughput

0.513

High

453111

MPIP
M-phase inducer phosphatase

1

1

High-throughput

0.489

High

453118

HRR25
Casein kinase I homolog HRR25

1

1

High-throughput

0.489

High

453150

TEM1
Protein TEM1

1

4

High-throughput

0.489

High

453170

COPB2
Coatomer subunit beta'

1

1

High-throughput

0.489

High

453193

RU17
U1 small nuclear ribonucleoprotein 70 kDa homolog

1

3

High-throughput

0.489

High

453225

PCL9
PHO85 cyclin-9

1

1

High-throughput

0.489

High

366885

ATPB
ATP synthase subunit beta, mitochondrial

1

15

High-throughput

0.479

High

382784

RMAR
Small ribosomal subunit protein uS3m

1

3

High-throughput

0.479

High

399907

COX8
Cytochrome c oxidase subunit 8, mitochondrial

1

1

Small-scale

0.479

High

416988

VDAC1
Non-selective voltage-gated ion channel 1

1

6

High-throughput

0.479

High

431964

ATPF
ATP synthase subunit 4, mitochondrial

1

4

High-throughput

0.479

High

452778

ATPA
ATP synthase subunit alpha, mitochondrial

1

16

High-throughput

0.479

High

453101

RM02
Large ribosomal subunit protein bL27m

1

2

Small-scale

0.479

High

453103

MS116
ATP-dependent RNA helicase MSS116, mitochondrial

1

1

Small-scale

0.479

High

453106

CBP3
Protein CBP3, mitochondrial

1

1

Small-scale

0.479

High

453107

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

1

1

High-throughput

0.479

High

453108

RPC2
DNA-directed RNA polymerase III subunit RPC2

1

2

High-throughput

0.479

High

453110

TOM40
Mitochondrial import receptor subunit TOM40

1

1

High-throughput

0.479

High

453113

NFS1
Cysteine desulfurase, mitochondrial

1

3

Small-scale

0.479

High

453115

CDC48
Cell division control protein 48

1

4

High-throughput

0.479

High

453120

ATP7
ATP synthase subunit d, mitochondrial

1

4

High-throughput

0.479

High

453122

ACH1
Acetyl-CoA hydrolase

1

1

High-throughput

0.479

High

453125

RML2
Large ribosomal subunit protein uL2m

1

2

Small-scale

0.479

High

453129

DLD1
D-lactate dehydrogenase [cytochrome] 1, mitochondrial

1

2

High-throughput

0.479

High

453132

MDJ1
DnaJ homolog 1, mitochondrial

1

7

Small-scale

0.479

High

453136

TCD2
tRNA threonylcarbamoyladenosine dehydratase 2

1

2

High-throughput

0.479

High

453138

RM04
Large ribosomal subunit protein uL29m

1

2

Small-scale

0.479

High

453142

ATPG
ATP synthase subunit gamma, mitochondrial

1

2

High-throughput

0.479

High

453143

OM14
Mitochondrial outer membrane protein OM14

1

1

Small-scale

0.479

High

453144

TCD1
tRNA threonylcarbamoyladenosine dehydratase 1

1

3

High-throughput

0.479

High

453146

PP2C7
Protein phosphatase 2C homolog 7, mitochondrial

1

4

High-throughput

0.479

High

453155

AFG3
Mitochondrial inner membrane m-AAA protease component YTA10

1

5

High-throughput

0.479

High

453156

IF4F1
Eukaryotic initiation factor 4F subunit p150

1

2

High-throughput

0.479

High

453161

NDH1
External NADH-ubiquinone oxidoreductase 1, mitochondrial

1

2

High-throughput

0.479

High

453162

YTA12
Mitochondrial inner membrane m-AAA protease component YTA12

1

7

High-throughput

0.479

High

453165

MAM33
Mitochondrial acidic protein MAM33

1

1

Small-scale

0.479

High

453167

PHB1
Prohibitin-1

1

10

High-throughput

0.479

High

453171

TIM16
Mitochondrial import inner membrane translocase subunit TIM16

1

2

Small-scale

0.479

High

453179

PHB2
Prohibitin-2

1

10

High-throughput

0.479

High

453182

MCY1
Putative mitochondrial cysteine synthase

1

1

High-throughput

0.479

High

453184

PIL1
Sphingolipid long chain base-responsive protein PIL1

1

1

High-throughput

0.479

High

453192

SAM50
Sorting assembly machinery 50 kDa subunit

1

1

High-throughput

0.479

High

453203

RM01
Large ribosomal subunit protein uL1m

1

4

Small-scale

0.479

High

453207

COQ9
Ubiquinone biosynthesis protein COQ9, mitochondrial

1

5

High-throughput

0.479

High

453211

ATG33
Autophagy-related protein 33

1

1

High-throughput

0.479

High

453212

YLH47
LETM1 domain-containing protein YLH47, mitochondrial

1

4

Small-scale

0.479

High

453217

MDM38
Mitochondrial distribution and morphology protein 38

1

4

Small-scale

0.479

High

453222

YD157
Uncharacterized protein YDL157C, mitochondrial

1

1

Small-scale

0.479

High

453230

ISD11
Protein ISD11

1

4

Small-scale

0.479

High

453186

DCP2
m7GpppN-mRNA hydrolase

1

2

High-throughput

0.464

High

453068

COX9
Cytochrome c oxidase subunit 9, mitochondrial

1

0

Small-scale

0.458

High

453090

MSS18
Protein MSS18

1

0

Small-scale

0.458

High

453095

COX7
Cytochrome c oxidase subunit 7, mitochondrial

1

0

Small-scale

0.458

High

453098

PET54
Protein PET54

1

0

Small-scale

0.458

High

453100

RT13
Small ribosomal subunit protein mS27

1

0

Small-scale

0.458

High

453105

COX11
Cytochrome c oxidase assembly protein COX11, mitochondrial

1

0

Small-scale

0.458

High

453126

MG101
Mitochondrial genome maintenance protein MGM101

1

0

Small-scale

0.458

High

453128

LIPA
Lipoyl synthase, mitochondrial

1

0

Small-scale

0.458

High

453131

SDH3
Succinate dehydrogenase [ubiquinone] cytochrome b subunit, mitochondrial

1

0

High-throughput

0.458

High

453133

MIA40
Mitochondrial intermembrane space import and assembly protein 40

1

0

Small-scale

0.458

High

453134

MCR1
NADH-cytochrome b5 reductase 2

1

0

Small-scale

0.458

High

453135

MGR3L
Protein MRG3-like

1

0

Small-scale

0.458

High

453139

RM28
Large ribosomal subunit protein mL40

1

0

Small-scale

0.458

High

453140

CBP4
Assembly factor CBP4

1

0

Small-scale

0.458

High

453149

PT100
Protein PET100, mitochondrial

1

0

Small-scale

0.458

High

453157

FMP52
Protein FMP52, mitochondrial

1

0

Small-scale

0.458

High

453163

AIM19
Altered inheritance of mitochondria protein 19, mitochondrial

1

0

Small-scale

0.458

High

453164

PUP1
PUP1 protein homolog

1

0

Small-scale

0.458

High

453166

RN49
Large ribosomal subunit protein bL21m

1

0

Small-scale

0.458

High

453175

COX16
Cytochrome c oxidase assembly protein COX16, mitochondrial

1

0

Small-scale

0.458

High

453188

RT12
Small ribosomal subunit protein uS12m

1

0

Small-scale

0.458

High

453191

RN35
Large ribosomal subunit protein bL35m

1

0

Small-scale

0.458

High

453196

MGR2
Protein MGR2

1

0

Small-scale

0.458

High

453197

RT51
Small ribosomal subunit protein bS1m

1

0

Small-scale

0.458

High

453200

AIM36
Altered inheritance of mitochondria protein 36, mitochondrial

1

0

Small-scale

0.458

High

453202

RM34
Large ribosomal subunit protein bL34m

1

0

Small-scale

0.458

High

453210

ATPK
ATP synthase subunit f, mitochondrial

1

0

Small-scale

0.458

High

453213

OMS1
Methyltransferase OMS1, mitochondrial

1

0

Small-scale

0.458

High

453218

AIM39
Altered inheritance of mitochondria protein 39, mitochondrial

1

0

Small-scale

0.458

High

453220

GEP3
Genetic interactor of prohibitins 3, mitochondrial

1

0

Small-scale

0.458

High

453221

FSF1
Sideroflexin FSF1

1

0

High-throughput

0.458

High

453227

COX26
Cytochrome c oxidase subunit 26, mitochondrial

1

0

Small-scale

0.458

High

453151

XDJ1
DnaJ protein homolog XDJ1

1

5

High-throughput

0.457

High

453097

HSP72
Heat shock protein SSA2

1

6

High-throughput

0.445

High

392012

HSP82
ATP-dependent molecular chaperone HSP82

1

7

High-throughput

0.437

High

453093

RS16B
Small ribosomal subunit protein uS9B

1

2

Small-scale

0.437

High

453094

RL19B
Large ribosomal subunit protein eL19

1

1

High-throughput

0.437

High

453112

SIS1
Protein SIS1

1

5

High-throughput

0.437

High

453114

TAH1
TPR repeat-containing protein associated with Hsp90

1

1

Small-scale

0.437

High

453117

TF2B
Transcription initiation factor IIB

1

3

High-throughput

0.437

High

453119

BMH1
Protein BMH1

1

3

High-throughput

0.437

High

453121

HS104
Heat shock protein 104

1

3

Small-scale

0.437

High

453123

RPC3
DNA-directed RNA polymerase III subunit RPC3

1

1

High-throughput

0.437

High

453124

KRE6
Beta-glucan synthesis-associated protein KRE6

1

1

High-throughput

0.437

High

453145

RPN1
26S proteasome regulatory subunit RPN1

1

1

High-throughput

0.437

High

453173

MPS3
Spindle pole body assembly component MPS3

1

1

High-throughput

0.437

High

453181

RL37B
Large ribosomal subunit protein eL37B

1

1

High-throughput

0.437

High

453189

GIS2
Zinc finger protein GIS2

1

3

High-throughput

0.437

High

453198

TOM1
E3 ubiquitin-protein ligase TOM1

1

5

High-throughput

0.437

High

453208

MMS22
E3 ubiquitin-protein ligase substrate receptor MMS22

1

1

High-throughput

0.437

High

453209

TFC6
Transcription factor tau 91 kDa subunit

1

2

High-throughput

0.437

High

453224

DBP10
ATP-dependent RNA helicase DBP10

1

4

High-throughput

0.437

High

453226

RL13A
Large ribosomal subunit protein eL13A

1

1

High-throughput

0.437

High

453180

MIC26
MICOS subunit MIC26

1

0

High-throughput

0.426

High

453099

SSB1
Ribosome-associated molecular chaperone SSB1

1

7

High-throughput

0.407

High

453160

SSB2
Ribosome-associated molecular chaperone SSB2

1

7

High-throughput

0.407

High

453206

RBS1
RNA-binding suppressor of PAS kinase protein 1

1

1

High-throughput

0.407

High

453214

BRE1
E3 ubiquitin-protein ligase BRE1

1

4

High-throughput

0.407

High

453228

YB255
Uncharacterized protein YBR255C-A

2

0

Small-scale

0.305

High

453154

RV167
Reduced viability upon starvation protein 167

1

0

High-throughput

0.279

Low

453204

SEN15
tRNA-splicing endonuclease subunit SEN15

1

0

High-throughput

0.279

Low

453205

FCF1
rRNA-processing protein FCF1

1

0

High-throughput

0.279

Low

64208

YP010
UPF0495 protein YPR010C-A

1

0

Small-scale

0.249

Low

453148

RPN10
26S proteasome regulatory subunit RPN10

1

0

High-throughput

0.249

Low

453174

MAD3
Spindle assembly checkpoint component MAD3

1

0

Small-scale

0.249

Low

453219

MCA1
Metacaspase-1

1

0

High-throughput

0.249

Low

453178

NUP42
Nucleoporin NUP42

1

0

Small-scale

0.232

Low


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Last updated: 11Aug2025