Protein: PSD2A
26S proteasome non-ATPase regulatory subunit 2 homolog A (26S proteasome regulatory subunit RPN1a) (AtRPN1a) (26S proteasome regulatory subunit S2 homolog A)

Gene: PSD2A, RPN1A
Organism: Arabidopsis thaliana
Interactions: 31
UniProt ID: Q9SIV2

Gene Ontology (top 5):
GO:0000502 - proteasome complex
GO:0005634 - nucleus
GO:0005737 - cytoplasm
GO:0005739 - mitochondrion
GO:0005829 - cytosol

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1168278

UBQ3
Polyubiquitin 3 [Cleaved into: Ubiquitin]

2

17

High-throughput

0.754

High

1284089

RD23C
Ubiquitin receptor RAD23c

1

20

High-throughput

0.698

High

200894

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

1

16

High-throughput

0.665

High

235424

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

1

10

High-throughput

0.665

High

1422013

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

1

16

High-throughput

0.665

High

1442983

PSDE
26S proteasome non-ATPase regulatory subunit 14 homolog

1

18

High-throughput

0.665

High

1444844

PS10B
26S proteasome regulatory subunit S10B homolog B

1

20

High-throughput

0.665

High

1444856

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

1

10

High-throughput

0.665

High

1456360

PS6AA
26S proteasome regulatory subunit 6A homolog A

1

20

High-throughput

0.665

High

1456364

PRS6B
26S proteasome regulatory subunit 6B homolog

1

20

High-throughput

0.665

High

1456632

PRS4B
26S proteasome regulatory subunit 4 homolog B

1

20

High-throughput

0.665

High

1456633

PRS7A
26S proteasome regulatory subunit 7 homolog A

1

20

High-throughput

0.665

High

663936

CDKA1
Cyclin-dependent kinase A-1

2

6

Small-scale

0.628

High

1375897

PRS8B
26S proteasome regulatory subunit 8 homolog B

1

20

High-throughput

0.618

High

1421732

PRS8A
26S proteasome regulatory subunit 8 homolog A

1

20

High-throughput

0.618

High

1456634

PRS4A
26S proteasome regulatory subunit 4 homolog A

1

20

High-throughput

0.618

High

1456452

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

1

7

High-throughput

0.536

High

1300034

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

1

10

High-throughput

0.515

High

1341781

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

1

10

High-throughput

0.515

High

1373144

PSMD6
26S proteasome non-ATPase regulatory subunit 6 homolog

1

18

High-throughput

0.515

High

1425534

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

1

16

High-throughput

0.515

High

1442316

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

1

14

High-throughput

0.515

High

1442342

PSD11
26S proteasome non-ATPase regulatory subunit 11 homolog

1

18

High-throughput

0.515

High

1379544

ATP5E
ATP synthase subunit epsilon, mitochondrial

1

0

High-throughput

0.513

High

1082316

VPS2B
Vacuolar protein sorting-associated protein 2 homolog 2

1

1

Small-scale

0.489

High

884923

P2C56
Protein phosphatase 2C 56

1

0

Small-scale

0.479

High

1284106

Q84M90
ARM repeat superfamily protein

1

2

High-throughput

0.470

High

1299157

PP314
Pentatricopeptide repeat-containing protein At4g16390, chloroplastic

1

0

High-throughput

0.279

Low

1444103

Q9M0I4
At4g28230

1

0

High-throughput

0.279

Low

1425347

Q9FHJ5
AT5G45410 protein

1

0

High-throughput

0.249

Low

1421722

AHK2
Histidine kinase 2

1

0

High-throughput

0.238

Low


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Last updated: 11Aug2025