Protein: PRS4A
26S proteasome regulatory subunit 4 homolog A (26S proteasome AAA-ATPase subunit RPT2a) (26S proteasome subunit 4 homolog A) (Protein HALTED ROOT) (Regulatory particle triple-A ATPase subunit 2a)

Gene: PRS4A, RPT2A
Organism: Arabidopsis thaliana
Interactions: 218
UniProt ID: Q9SZD4

Gene Ontology (top 5):
GO:0000502 - proteasome complex
GO:0000932 - P-body
GO:0005524 - ATP binding
GO:0005634 - nucleus
GO:0005886 - plasma membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1184400

FTSH1
ATP-dependent zinc metalloprotease FTSH 1, chloroplastic

1

4

High-throughput

0.621

High

146219

PS6AB
26S proteasome regulatory subunit 6A homolog B

1

19

High-throughput

0.618

High

200649

PSA2A
Proteasome subunit alpha type-2-A

1

20

High-throughput

0.618

High

200654

PSB7A
Proteasome subunit beta type-7-A

1

20

High-throughput

0.618

High

200657

PSA1B
Proteasome subunit alpha type-1-B

1

20

High-throughput

0.618

High

200660

PSB2A
Proteasome subunit beta type-2-A

1

20

High-throughput

0.618

High

200664

PSA3
Proteasome subunit alpha type-3

1

20

High-throughput

0.618

High

200666

PSB5A
Proteasome subunit beta type-5-A

1

20

High-throughput

0.618

High

200895

PSD7A
26S proteasome non-ATPase regulatory subunit 7 homolog A

1

20

High-throughput

0.618

High

201189

PSA7B
Proteasome subunit alpha type-7-B

1

20

High-throughput

0.618

High

201198

PSB2B
Proteasome subunit beta type-2-B

1

20

High-throughput

0.618

High

307133

PSA6A
Proteasome subunit alpha type-6-A

1

20

High-throughput

0.618

High

307137

PSA6B
Proteasome subunit alpha type-6-B

1

20

High-throughput

0.618

High

307140

PSA4A
Proteasome subunit alpha type-4-A

1

20

High-throughput

0.618

High

307142

PSA5A
Proteasome subunit alpha type-5-A

1

20

High-throughput

0.618

High

718238

PSA7A
Proteasome subunit alpha type-7-A

1

20

High-throughput

0.618

High

756599

PSA1A
Proteasome subunit alpha type-1-A

1

20

High-throughput

0.618

High

842102

PSB1
Proteasome subunit beta type-1

1

20

High-throughput

0.618

High

930115

CD48A
Cell division control protein 48 homolog A

1

16

High-throughput

0.618

High

1168355

UBQ3
Polyubiquitin 3 [Cleaved into: Ubiquitin]

1

20

High-throughput

0.618

High

1192385

PSA5B
Proteasome subunit alpha type-5-B

1

20

High-throughput

0.618

High

1251076

PSD2B
26S proteasome non-ATPase regulatory subunit 2 homolog B

1

20

High-throughput

0.618

High

1261041

PSB4
Proteasome subunit beta type-4

1

20

High-throughput

0.618

High

1261042

PSB7B
Proteasome subunit beta type-7-B

1

20

High-throughput

0.618

High

1318013

PSA2B
Proteasome subunit alpha type-2-B

1

20

High-throughput

0.618

High

1319804

PSB6
Proteasome subunit beta type-6

1

20

High-throughput

0.618

High

1373147

PSMD6
26S proteasome non-ATPase regulatory subunit 6 homolog

1

20

High-throughput

0.618

High

1421734

PRS8A
26S proteasome regulatory subunit 8 homolog A

1

19

High-throughput

0.618

High

1422014

PSD7B
26S proteasome non-ATPase regulatory subunit 7 homolog B

1

20

High-throughput

0.618

High

1425535

PS12A
26S proteasome non-ATPase regulatory subunit 12 homolog A

1

20

High-throughput

0.618

High

1441607

PSB5B
Proteasome subunit beta type-5-B

1

20

High-throughput

0.618

High

1442984

PSDE
26S proteasome non-ATPase regulatory subunit 14 homolog

1

20

High-throughput

0.618

High

1444845

PS10B
26S proteasome regulatory subunit S10B homolog B

1

18

High-throughput

0.618

High

1456362

PS6AA
26S proteasome regulatory subunit 6A homolog A

1

19

High-throughput

0.618

High

1456363

PS10A
26S proteasome regulatory subunit 10B homolog A

1

18

High-throughput

0.618

High

1456365

PRS6B
26S proteasome regulatory subunit 6B homolog

1

18

High-throughput

0.618

High

1456607

DSK2A
Ubiquitin domain-containing protein DSK2a

1

20

High-throughput

0.618

High

1456634

PSD2A
26S proteasome non-ATPase regulatory subunit 2 homolog A

1

20

High-throughput

0.618

High

1456803

PRS4B
26S proteasome regulatory subunit 4 homolog B

1

19

High-throughput

0.618

High

1457063

PRS7A
26S proteasome regulatory subunit 7 homolog A

1

20

High-throughput

0.618

High

1457368

PRS4A
26S proteasome regulatory subunit 4 homolog A

1

18

High-throughput

0.618

High

1457370

PSB3A
Proteasome subunit beta type-3-A

1

20

High-throughput

0.618

High

532259

RBS1A
Ribulose bisphosphate carboxylase small subunit 1A, chloroplastic

1

1

High-throughput

0.555

High

915044

ODPA1
Pyruvate dehydrogenase E1 component subunit alpha-1, mitochondrial

1

2

High-throughput

0.552

High

1342025

PIN4
Auxin efflux carrier component 4

1

0

High-throughput

0.518

High

1456977

ODP24
Dihydrolipoyllysine-residue acetyltransferase component 4 of pyruvate dehydrogenase complex, chloroplastic

1

4

High-throughput

0.504

High

1421726

AHK2
Histidine kinase 2

1

0

High-throughput

0.486

High

1456218

ARR5
Two-component response regulator ARR5

1

0

High-throughput

0.486

High

1192780

SCE1
SUMO-conjugating enzyme SCE1

1

3

High-throughput

0.481

High

1373794

UNI
Disease resistance protein UNI

1

1

Small-scale

0.481

High

146183

HS904
Heat shock protein 90-4

1

7

High-throughput

0.479

High

200549

VATA
V-type proton ATPase catalytic subunit A

1

5

High-throughput

0.479

High

235311

RS61
Small ribosomal subunit protein eS6z

1

4

High-throughput

0.479

High

235425

PSD1A
26S proteasome non-ATPase regulatory subunit 1 homolog A

1

20

High-throughput

0.479

High

307762

RL281
Large ribosomal subunit protein eL28z

1

1

High-throughput

0.479

High

801678

RL242
Large ribosomal subunit protein eL24y

1

1

High-throughput

0.479

High

880433

RL52
Large ribosomal subunit protein uL18y

1

1

High-throughput

0.479

High

886237

RL4B
Large ribosomal subunit protein uL4y

1

1

High-throughput

0.479

High

902741

RL261
Large ribosomal subunit protein uL24z

1

3

High-throughput

0.479

High

902762

RS62
Small ribosomal subunit protein eS6y

1

4

High-throughput

0.479

High

933563

PSMD4
26S proteasome non-ATPase regulatory subunit 4 homolog

1

18

High-throughput

0.479

High

939116

SUMO1
Small ubiquitin-related modifier 1

1

7

High-throughput

0.479

High

1020432

RR5
Small ribosomal subunit protein uS5c

1

5

High-throughput

0.479

High

1064670

RSSA1
Small ribosomal subunit protein uS2z

1

2

High-throughput

0.479

High

1192381

RL83
Large ribosomal subunit protein uL2x

1

1

High-throughput

0.479

High

1192384

RLA02
Large ribosomal subunit protein uL10y

1

2

High-throughput

0.479

High

1192401

RS3A2
Small ribosomal subunit protein eS1y

1

3

High-throughput

0.479

High

1192439

RL341
Large ribosomal subunit protein eL34z

1

2

High-throughput

0.479

High

1201528

PATL2
Patellin-2

1

1

High-throughput

0.479

High

1208023

ODP23
Dihydrolipoyllysine-residue acetyltransferase component 3 of pyruvate dehydrogenase complex, mitochondrial

1

4

High-throughput

0.479

High

1284107

Q84M90
ARM repeat superfamily protein

1

7

High-throughput

0.479

High

1300035

PS13B
26S proteasome non-ATPase regulatory subunit 13 homolog B

1

17

High-throughput

0.479

High

1318353

GSTUK
Glutathione S-transferase U20

1

1

High-throughput

0.479

High

1318803

RS21
Small ribosomal subunit protein uS5z

1

5

High-throughput

0.479

High

1319544

RL51
Large ribosomal subunit protein uL18z

1

1

High-throughput

0.479

High

1341782

PS13A
26S proteasome non-ATPase regulatory subunit 13 homolog A

1

17

High-throughput

0.479

High

1355327

PDXK
Pyridoxal kinase

1

1

High-throughput

0.479

High

1355465

VATB3
V-type proton ATPase subunit B3

1

4

High-throughput

0.479

High

1372890

IF5A2
Eukaryotic translation initiation factor 5A-2

1

1

High-throughput

0.479

High

1421455

RS71
Small ribosomal subunit protein eS7z

1

5

High-throughput

0.479

High

1422395

HSP7N
Heat shock 70 kDa protein 18

1

5

High-throughput

0.479

High

1426365

SUMO3
Small ubiquitin-related modifier 3

1

7

High-throughput

0.479

High

1427623

RL61
Large ribosomal subunit protein eL6z

1

1

High-throughput

0.479

High

1442317

PSD3A
26S proteasome non-ATPase regulatory subunit 3 homolog A

1

20

High-throughput

0.479

High

1442344

PSD11
26S proteasome non-ATPase regulatory subunit 11 homolog

1

20

High-throughput

0.479

High

1442632

PSD3B
26S proteasome non-ATPase regulatory subunit 3 homolog B

1

20

High-throughput

0.479

High

1443772

RK1
Large ribosomal subunit protein uL1c

1

2

High-throughput

0.479

High

1443929

RL363
Large ribosomal subunit protein eL36x

1

1

High-throughput

0.479

High

1444082

RL282
Large ribosomal subunit protein eL28y

1

1

High-throughput

0.479

High

1444855

RK11
Large ribosomal subunit protein uL11c

1

1

High-throughput

0.479

High

1444857

PSD1B
26S proteasome non-ATPase regulatory subunit 1 homolog B

1

20

High-throughput

0.479

High

1456152

RS121
Small ribosomal subunit protein eS12z

1

4

High-throughput

0.479

High

1456454

PSD8A
26S proteasome non-ATPase regulatory subunit 8 homolog A

1

10

High-throughput

0.479

High

1456793

RS122
Small ribosomal subunit protein eS12y

1

4

High-throughput

0.479

High

1456884

BTF3
Basic transcription factor 3

1

2

High-throughput

0.479

High

1457372

MDHM1
Malate dehydrogenase 1, mitochondrial

1

4

High-throughput

0.479

High

1457373

GSTUJ
Glutathione S-transferase U19

1

1

High-throughput

0.479

High

200141

GLYC4
Serine hydroxymethyltransferase 4

1

0

High-throughput

0.458

High

236255

RK4
Large ribosomal subunit protein uL4c

1

0

High-throughput

0.458

High

601539

RL31
Large ribosomal subunit protein uL3z

1

0

High-throughput

0.458

High

748934

NRL2
Nitrilase 2

1

0

High-throughput

0.458

High

841529

PLAS2
Plastocyanin major isoform, chloroplastic

1

0

High-throughput

0.458

High

857047

GSTF2
Glutathione S-transferase F2

1

0

High-throughput

0.458

High

858018

AAT2
Aspartate aminotransferase, cytoplasmic isozyme 1

1

0

High-throughput

0.458

High

898315

RL121
Large ribosomal subunit protein uL11z

1

0

High-throughput

0.458

High

902747

R18A2
Large ribosomal subunit protein eL20y

1

0

High-throughput

0.458

High

1052188

PUR5
Phosphoribosylformylglycinamidine cyclo-ligase, chloroplastic

1

0

High-throughput

0.458

High

1283636

Q84JF2
Class I peptide chain release factor

1

0

High-throughput

0.458

High

1354392

RR6
Small ribosomal subunit protein bS6c

1

0

High-throughput

0.458

High

1372824

RL171
Large ribosomal subunit protein uL22z

1

0

High-throughput

0.458

High

1372903

RL101
Large ribosomal subunit protein uL16z

1

0

High-throughput

0.458

High

1373609

DAPAT
LL-diaminopimelate aminotransferase, chloroplastic

1

0

High-throughput

0.458

High

1421507

ACLB1
ATP-citrate synthase beta chain protein 1

1

0

High-throughput

0.458

High

1440974

ACCA
Acetyl-coenzyme A carboxylase carboxyl transferase subunit alpha, chloroplastic

1

0

High-throughput

0.458

High

1441655

ESM1
GDSL esterase/lipase ESM1

1

0

High-throughput

0.458

High

1442714

R27A2
Large ribosomal subunit protein uL15y

1

0

High-throughput

0.458

High

1375868

CLPP4
ATP-dependent Clp protease proteolytic subunit 4, chloroplastic

1

1

High-throughput

0.439

High

99554

F4HS68
Tetratricopeptide repeat

1

12

High-throughput

0.437

High

103896

F4KHD5
A-kinase anchor-like protein

1

6

High-throughput

0.437

High

146341

RLA01
Large ribosomal subunit protein uL10z

1

2

High-throughput

0.437

High

146924

RK5
Large ribosomal subunit protein uL5c

1

1

High-throughput

0.437

High

201157

ODPA3
Pyruvate dehydrogenase E1 component subunit alpha-3, chloroplastic

1

2

High-throughput

0.437

High

306265

RL352
Large ribosomal subunit protein uL29y

1

1

High-throughput

0.437

High

308569

O82808
At2g25950

1

3

High-throughput

0.437

High

553685

TBB1
Tubulin beta-1 chain

1

3

High-throughput

0.437

High

592988

RS111
Small ribosomal subunit protein uS17z

1

1

High-throughput

0.437

High

713542

TBB6
Tubulin beta-6 chain

1

3

High-throughput

0.437

High

760731

CP20C
Peptidyl-prolyl cis-trans isomerase CYP20-3, chloroplastic

1

2

High-throughput

0.437

High

837274

RS143
Small ribosomal subunit protein uS11x

1

4

High-throughput

0.437

High

842075

RS113
Small ribosomal subunit protein uS17x

1

1

High-throughput

0.437

High

843073

RL182
Large ribosomal subunit protein eL18y

1

1

High-throughput

0.437

High

843081

RL111
Large ribosomal subunit protein uL5z

1

1

High-throughput

0.437

High

856517

RL81
Large ribosomal subunit protein uL2z

1

1

High-throughput

0.437

High

880247

RS171
Small ribosomal subunit protein eS17z

1

2

High-throughput

0.437

High

880425

RL321
Large ribosomal subunit protein eL32z

1

1

High-throughput

0.437

High

886221

RS23
Small ribosomal subunit protein uS5x

1

5

High-throughput

0.437

High

886244

RL7A1
Large ribosomal subunit protein eL8z

1

1

High-throughput

0.437

High

902756

RS52
Small ribosomal subunit protein uS7y

1

2

High-throughput

0.437

High

942334

RR3
Small ribosomal subunit protein uS3c

1

6

High-throughput

0.437

High

947606

RS131
Small ribosomal subunit protein uS15z

1

3

High-throughput

0.437

High

947641

R10A2
Large ribosomal subunit protein uL1y

1

2

High-throughput

0.437

High

948984

RL73
Large ribosomal subunit protein uL30x

1

4

High-throughput

0.437

High

948993

RL72
Large ribosomal subunit protein uL30y

1

4

High-throughput

0.437

High

1061666

RS151
Small ribosomal subunit protein uS19u

1

2

High-throughput

0.437

High

1192421

RS163
Small ribosomal subunit protein uS9x

1

3

High-throughput

0.437

High

1192437

RL241
Large ribosomal subunit protein eL24z

1

1

High-throughput

0.437

High

1319660

RS242
Small ribosomal subunit protein eS24y

1

1

High-throughput

0.437

High

1319802

RS73
Small ribosomal subunit protein eS7x

1

5

High-throughput

0.437

High

1319809

R23A1
Large ribosomal subunit protein uL23z

1

2

High-throughput

0.437

High

1342242

RK192
Large ribosomal subunit protein bL19cy

1

1

High-throughput

0.437

High

1354861

R10A1
Large ribosomal subunit protein uL1z

1

2

High-throughput

0.437

High

1355396

RK191
Large ribosomal subunit protein bL19cz

1

1

High-throughput

0.437

High

1372797

RS81
Small ribosomal subunit protein eS8z

1

1

High-throughput

0.437

High

1372817

RS41
Small ribosomal subunit protein eS4z

1

1

High-throughput

0.437

High

1373731

RL183
Large ribosomal subunit protein eL18x

1

1

High-throughput

0.437

High

1376667

NACA2
Nascent polypeptide-associated complex subunit alpha-like protein 2

1

1

High-throughput

0.437

High

1422931

RL63
Large ribosomal subunit protein eL6x

1

1

High-throughput

0.437

High

1423521

RS3A1
Small ribosomal subunit protein eS1z

1

3

High-throughput

0.437

High

1423545

RS142
Small ribosomal subunit protein uS11y

1

4

High-throughput

0.437

High

1424661

RL133
Large ribosomal subunit protein eL13x

1

1

High-throughput

0.437

High

1424795

RS102
Small ribosomal subunit protein eS10y

1

7

High-throughput

0.437

High

1425311

RL322
Large ribosomal subunit protein eL32y

1

1

High-throughput

0.437

High

1425801

RS33
Small ribosomal subunit protein uS3x

1

6

High-throughput

0.437

High

1441441

RL74
Large ribosomal subunit protein uL30w

1

4

High-throughput

0.437

High

1441615

Q9LJ72
Proteasome assembly chaperone 2

1

6

High-throughput

0.437

High

1441725

RL343
Large ribosomal subunit protein eL34x

1

2

High-throughput

0.437

High

1442783

R13A2
Large ribosomal subunit protein uL13y

1

3

High-throughput

0.437

High

1443036

RS103
Small ribosomal subunit protein eS10x

1

7

High-throughput

0.437

High

1443652

RS91
Small ribosomal subunit protein uS4z

1

2

High-throughput

0.437

High

1443943

RL7A2
Large ribosomal subunit protein eL8y

1

1

High-throughput

0.437

High

1444529

RS3B
Small ribosomal subunit protein uS3y

1

6

High-throughput

0.437

High

1444538

RL362
Large ribosomal subunit protein eL36y

1

1

High-throughput

0.437

High

1444649

RS72
Small ribosomal subunit protein eS7y

1

5

High-throughput

0.437

High

1456403

RL4A
Large ribosomal subunit protein uL4z

1

1

High-throughput

0.437

High

1456404

RL351
Large ribosomal subunit protein uL29z

1

1

High-throughput

0.437

High

1456415

R13A1
Large ribosomal subunit protein uL13z

1

3

High-throughput

0.437

High

1456437

RS191
Small ribosomal subunit protein eS19z

1

4

High-throughput

0.437

High

1456600

RS141
Small ribosomal subunit protein uS11z

1

4

High-throughput

0.437

High

1456616

RS3A
Small ribosomal subunit protein uS3z

1

6

High-throughput

0.437

High

1456734

RS161
Small ribosomal subunit protein uS9z

1

3

High-throughput

0.437

High

1456790

RK3A
Large ribosomal subunit protein uL3c

1

1

High-throughput

0.437

High

1457052

RS241
Small ribosomal subunit protein eS24z

1

1

High-throughput

0.437

High

1457342

RK13
Large ribosomal subunit protein uL13c

1

3

High-throughput

0.437

High

1457369

NACA4
Nascent polypeptide-associated complex subunit alpha-like protein 4

1

1

High-throughput

0.437

High

1457371

RR9
Small ribosomal subunit protein uS9c

1

3

High-throughput

0.437

High

1457374

RS51
Small ribosomal subunit protein uS7z

1

2

High-throughput

0.437

High

101413

F4IXJ0
Tudor/PWWP/MBT superfamily protein

1

0

High-throughput

0.249

Low

102919

TPPII
Tripeptidyl-peptidase 2

1

0

High-throughput

0.249

Low

199591

RK6
Large ribosomal subunit protein uL6c

1

0

High-throughput

0.249

Low

306021

PDXL4
Pyridoxal 5'-phosphate synthase PDX1-like 4

1

0

High-throughput

0.249

Low

683036

RK9
Large ribosomal subunit protein bL9c

1

0

High-throughput

0.249

Low

683069

RK15
Large ribosomal subunit protein uL15c

1

0

High-throughput

0.249

Low

782918

RK121
Large ribosomal subunit protein bL12cz

1

0

High-throughput

0.249

Low

942332

RK16
Large ribosomal subunit protein uL16c

1

0

High-throughput

0.249

Low

1020187

RK24
Large ribosomal subunit protein uL24c

1

0

High-throughput

0.249

Low

1020255

SRS41
Serine/arginine-rich splicing factor RS41

1

0

High-throughput

0.249

Low

1184278

CP33
RNA-binding protein CP33, chloroplastic

1

0

High-throughput

0.249

Low

1299229

Q8GWL7
Rho termination factor

1

0

High-throughput

0.249

Low

1320373

RS262
Small ribosomal subunit protein eS26z

1

0

High-throughput

0.249

Low

1375451

PRX2E
Peroxiredoxin-2E, chloroplastic

1

0

High-throughput

0.249

Low

1376749

Q94K97
30S ribosomal protein

1

0

High-throughput

0.249

Low

1379606

BAS1A
2-Cys peroxiredoxin BAS1, chloroplastic

1

0

High-throughput

0.249

Low

1409263

RR20
Small ribosomal subunit protein bS20c

1

0

High-throughput

0.249

Low

1425876

RK29
Large ribosomal subunit protein uL29c

1

0

High-throughput

0.249

Low

1426308

RK27
Large ribosomal subunit protein bL27c

1

0

High-throughput

0.249

Low

1426721

PSL5
Probable glucan 1,3-alpha-glucosidase

1

0

High-throughput

0.249

Low

1427475

RK10
Large ribosomal subunit protein uL10c

1

0

High-throughput

0.249

Low

1441327

Q9LFT2
At5g15880

1

0

High-throughput

0.249

Low

1441429

FOLD2
Bifunctional protein FolD 2

1

0

High-throughput

0.249

Low

1441676

PREP1
Presequence protease 1, chloroplastic/mitochondrial

1

0

High-throughput

0.249

Low

1442948

Q9LSU9
AT3g25550/MWL2_17

1

0

High-throughput

0.249

Low

1444085

Q9M0F4
Acid phosphatase-like protein

1

0

High-throughput

0.249

Low

1444270

RRFC
Ribosome-recycling factor, chloroplastic

1

0

High-throughput

0.249

Low

1444731

PMG2
Probable 2,3-bisphosphoglycerate-independent phosphoglycerate mutase 2

1

0

High-throughput

0.249

Low

1456135

PSBO2
Oxygen-evolving enhancer protein 1-2, chloroplastic

1

0

High-throughput

0.249

Low

1456398

RS231
Small ribosomal subunit protein uS12z

1

0

High-throughput

0.249

Low

1457191

Q9SUR0
AT4G23670 protein

1

0

High-throughput

0.249

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025