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

Gene: QCR2
Organism: Saccharomyces cerevisiae S288C
Interactions: 117
UniProt ID: P07257

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:0006508 - proteolysis

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

453087

QCR1
Cytochrome b-c1 complex subunit 1, mitochondrial

11

12

Small-scale

0.976

High

357802

QCR7
Cytochrome b-c1 complex subunit 7, mitochondrial

5

4

Small-scale

0.902

High

453234

UCRI
Cytochrome b-c1 complex subunit Rieske, mitochondrial

4

1

Small-scale

0.867

High

453244

ADT2
ADP,ATP carrier protein 2

5

4

Small-scale

0.712

High

450418

CY1
Cytochrome c1, heme protein, mitochondrial

4

4

Small-scale

0.676

High

453235

QCR8
Cytochrome b-c1 complex subunit 8, mitochondrial

4

1

Small-scale

0.676

High

453272

QCR10
Cytochrome b-c1 complex subunit 10, mitochondrial

4

1

Small-scale

0.676

High

357876

CYB
Cytochrome b

4

3

Small-scale

0.672

High

357748

QCR6
Cytochrome b-c1 complex subunit 6, mitochondrial

3

1

Small-scale

0.640

High

453250

QCR9
Cytochrome b-c1 complex subunit 9, mitochondrial

3

4

Small-scale

0.640

High

453271

MIC60
MICOS complex subunit MIC60

3

1

High-throughput

0.640

High

360769

COX5A
Cytochrome c oxidase subunit 5A, mitochondrial

1

3

High-throughput

0.618

High

360819

COX5B
Cytochrome c oxidase subunit 5B, mitochondrial

1

3

High-throughput

0.618

High

453286

SMK1
Sporulation-specific mitogen-activated protein kinase SMK1

2

3

High-throughput

0.606

High

360634

COX2
Cytochrome c oxidase subunit 2

2

3

Small-scale

0.584

High

399775

COX4
Cytochrome c oxidase subunit 4, mitochondrial

2

2

High-throughput

0.584

High

416989

VDAC1
Non-selective voltage-gated ion channel 1

2

6

High-throughput

0.584

High

453237

HSP77
Import motor subunit, mitochondrial

2

6

High-throughput

0.584

High

453241

HSC82
ATP-dependent molecular chaperone HSC82

2

7

High-throughput

0.584

High

453292

TOM22
Mitochondrial import receptor subunit TOM22

2

1

High-throughput

0.584

High

453299

RCF2
Respiratory supercomplex factor 2, mitochondrial

2

1

Small-scale

0.584

High

453308

RCF1
Respiratory supercomplex factor 1, mitochondrial

2

1

Small-scale

0.584

High

453258

YJU2
Splicing factor YJU2

1

1

High-throughput

0.536

High

453278

MPC2
Mitochondrial pyruvate carrier 2

1

1

Small-scale

0.536

High

453284

MOB1
DBF2 kinase activator protein MOB1

1

1

High-throughput

0.536

High

453297

SHY1
Cytochrome oxidase assembly protein SHY1

1

1

Small-scale

0.536

High

453301

RM22
Large ribosomal subunit protein uL22m

1

3

High-throughput

0.536

High

453304

SLT2
Mitogen-activated protein kinase SLT2/MPK1

1

3

High-throughput

0.536

High

453262

HS104
Heat shock protein 104

2

3

Small-scale

0.533

High

453290

BXI1
Bax inhibitor 1

1

2

Small-scale

0.515

High

453246

PWP1
Periodic tryptophan protein 1

1

1

High-throughput

0.489

High

453252

MPIP
M-phase inducer phosphatase

1

1

High-throughput

0.489

High

453283

RAD26
DNA repair and recombination protein RAD26

1

3

High-throughput

0.489

High

453305

RU17
U1 small nuclear ribonucleoprotein 70 kDa homolog

1

3

High-throughput

0.489

High

453323

AIR2
Protein AIR2

1

3

High-throughput

0.489

High

453324

PCL9
PHO85 cyclin-9

1

1

High-throughput

0.489

High

360854

COX6
Cytochrome c oxidase subunit 6, mitochondrial

1

3

High-throughput

0.479

High

366886

ATPB
ATP synthase subunit beta, mitochondrial

1

14

High-throughput

0.479

High

382785

RMAR
Small ribosomal subunit protein uS3m

1

3

High-throughput

0.479

High

399908

COX8
Cytochrome c oxidase subunit 8, mitochondrial

1

1

Small-scale

0.479

High

431965

ATPF
ATP synthase subunit 4, mitochondrial

1

4

High-throughput

0.479

High

452779

ATPA
ATP synthase subunit alpha, mitochondrial

1

15

High-throughput

0.479

High

453236

ATPO
ATP synthase subunit 5, mitochondrial

1

5

High-throughput

0.479

High

453242

MDHM
Malate dehydrogenase, mitochondrial

1

6

Small-scale

0.479

High

453245

ACON
Aconitate hydratase, mitochondrial

1

3

High-throughput

0.479

High

453247

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

1

1

High-throughput

0.479

High

453249

RPC2
DNA-directed RNA polymerase III subunit RPC2

1

1

High-throughput

0.479

High

453251

TOM40
Mitochondrial import receptor subunit TOM40

1

1

High-throughput

0.479

High

453255

CDC48
Cell division control protein 48

1

4

High-throughput

0.479

High

453256

CYPC
Peptidyl-prolyl cis-trans isomerase C, mitochondrial

1

2

High-throughput

0.479

High

453257

COQ8
Atypical kinase COQ8, mitochondrial

1

8

High-throughput

0.479

High

453261

ATP7
ATP synthase subunit d, mitochondrial

1

4

High-throughput

0.479

High

453263

NDI1
Rotenone-insensitive NADH-ubiquinone oxidoreductase, mitochondrial

1

2

High-throughput

0.479

High

453266

COX13
Cytochrome c oxidase subunit 13, mitochondrial

1

2

High-throughput

0.479

High

453267

BCS1
Mitochondrial chaperone BCS1

1

14

Small-scale

0.479

High

453268

DLD1
D-lactate dehydrogenase [cytochrome] 1, mitochondrial

1

1

High-throughput

0.479

High

453269

TIM23
Mitochondrial import inner membrane translocase subunit TIM23

1

3

High-throughput

0.479

High

453273

ATPG
ATP synthase subunit gamma, mitochondrial

1

2

High-throughput

0.479

High

453275

OM14
Mitochondrial outer membrane protein OM14

1

1

Small-scale

0.479

High

453277

TCD1
tRNA threonylcarbamoyladenosine dehydratase 1

1

2

High-throughput

0.479

High

453279

AFG3
Mitochondrial inner membrane m-AAA protease component YTA10

1

5

High-throughput

0.479

High

453280

FMP10
Uncharacterized mitochondrial membrane protein FMP10

1

1

High-throughput

0.479

High

453282

YTA12
Mitochondrial inner membrane m-AAA protease component YTA12

1

7

High-throughput

0.479

High

453285

PHB1
Prohibitin-1

1

10

High-throughput

0.479

High

453287

RPN11
Ubiquitin carboxyl-terminal hydrolase RPN11

1

2

High-throughput

0.479

High

453293

PHB2
Prohibitin-2

1

10

High-throughput

0.479

High

453295

MCY1
Putative mitochondrial cysteine synthase

1

1

High-throughput

0.479

High

453296

PIL1
Sphingolipid long chain base-responsive protein PIL1

1

1

High-throughput

0.479

High

453302

SAM50
Sorting assembly machinery 50 kDa subunit

1

1

High-throughput

0.479

High

453303

SDHA
Succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial

1

4

High-throughput

0.479

High

453306

COX12
Cytochrome c oxidase subunit 12, mitochondrial

1

2

High-throughput

0.479

High

453311

YHM2
Citrate/oxoglutarate carrier protein

1

4

High-throughput

0.479

High

453314

COQ9
Ubiquinone biosynthesis protein COQ9, mitochondrial

1

5

High-throughput

0.479

High

453318

ATG33
Autophagy-related protein 33

1

1

High-throughput

0.479

High

453320

YD157
Uncharacterized protein YDL157C, mitochondrial

1

1

Small-scale

0.479

High

453326

MIC10
MICOS complex subunit MIC10

1

1

High-throughput

0.479

High

360926

CCPR
Cytochrome c peroxidase, mitochondrial

1

0

Small-scale

0.458

High

401817

RPB1
DNA-directed RNA polymerase II subunit RPB1

1

0

High-throughput

0.458

High

453233

ILVB
Acetolactate synthase catalytic subunit, mitochondrial

1

0

High-throughput

0.458

High

453243

GLRX2
Glutaredoxin-2

1

0

High-throughput

0.458

High

360315

COX1
Cytochrome c oxidase subunit 1

1

1

Small-scale

0.445

High

453322

USB1
U6 snRNA phosphodiesterase 1

1

1

High-throughput

0.445

High

392013

HSP82
ATP-dependent molecular chaperone HSP82

1

7

High-throughput

0.437

High

434694

RS3
Small ribosomal subunit protein uS3

1

1

High-throughput

0.437

High

453238

RL19B
Large ribosomal subunit protein eL19

1

1

High-throughput

0.437

High

453253

SIS1
Protein SIS1

1

5

High-throughput

0.437

High

453254

RS2
Small ribosomal subunit protein uS5

1

3

High-throughput

0.437

High

453259

TF2B
Transcription initiation factor IIB

1

2

High-throughput

0.437

High

453260

BMH1
Protein BMH1

1

2

High-throughput

0.437

High

453264

RPC3
DNA-directed RNA polymerase III subunit RPC3

1

1

High-throughput

0.437

High

453265

KRE6
Beta-glucan synthesis-associated protein KRE6

1

1

High-throughput

0.437

High

453274

NU170
Nucleoporin NUP170

1

3

High-throughput

0.437

High

453288

MPS3
Spindle pole body assembly component MPS3

1

1

High-throughput

0.437

High

453294

RL37B
Large ribosomal subunit protein eL37B

1

1

High-throughput

0.437

High

453300

GIS2
Zinc finger protein GIS2

1

3

High-throughput

0.437

High

453307

TOM1
E3 ubiquitin-protein ligase TOM1

1

5

High-throughput

0.437

High

453310

SCC2
Sister chromatid cohesion protein 2

1

1

High-throughput

0.437

High

453316

MMS22
E3 ubiquitin-protein ligase substrate receptor MMS22

1

1

High-throughput

0.437

High

453317

TFC6
Transcription factor tau 91 kDa subunit

1

1

High-throughput

0.437

High

453325

RL13A
Large ribosomal subunit protein eL13A

1

1

High-throughput

0.437

High

453309

GLRX3
Monothiol glutaredoxin-3

1

0

Small-scale

0.426

High

453240

SSB1
Ribosome-associated molecular chaperone SSB1

1

6

High-throughput

0.407

High

453281

SSB2
Ribosome-associated molecular chaperone SSB2

1

6

High-throughput

0.407

High

453313

RBS1
RNA-binding suppressor of PAS kinase protein 1

1

1

High-throughput

0.407

High

453319

BRE1
E3 ubiquitin-protein ligase BRE1

1

4

High-throughput

0.407

High

453315

COG4
Conserved oligomeric Golgi complex subunit 4

1

0

High-throughput

0.282

High

453289

LSM8
LSM2-LSM8 complex subunit LSM8

1

0

High-throughput

0.279

Low

453321

MLH3
DNA mismatch repair protein MLH3

1

0

High-throughput

0.279

Low

453276

OSH3
Oxysterol-binding protein homolog 3

1

0

High-throughput

0.269

Low

453298

COG2
Conserved oligomeric Golgi complex subunit 2

1

0

High-throughput

0.265

Low

441603

RS14A
Small ribosomal subunit protein uS11A

1

0

High-throughput

0.249

Low

453232

RS19A
Small ribosomal subunit protein eS19A

1

0

High-throughput

0.249

Low

453248

XRN1
5'-3' exoribonuclease 1

1

0

High-throughput

0.249

Low

453270

RS27A
Small ribosomal subunit protein eS27A

1

0

High-throughput

0.249

Low

453291

RS12
Small ribosomal subunit protein eS12

1

0

High-throughput

0.249

Low

453312

FIT1
Facilitator of iron transport 1

1

0

High-throughput

0.238

Low

453239

RL4A
Large ribosomal subunit protein uL4A

1

0

High-throughput

0.232

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025