Protein: CSN4
COP9 signalosome complex subunit 4 (AtS4) (Signalosome subunit 4) (Constitutive photomorphogenesis protein 8) (Protein FUSCA 4)

Gene: CSN4
Organism: Arabidopsis thaliana
Interactions: 23
UniProt ID: Q8L5U0

Gene Ontology (top 5):
GO:0000338 - protein deneddylation
GO:0005737 - cytoplasm
GO:0008180 - COP9 signalosome
GO:0009585 - red, far-red light phototransduction
GO:0010100 - negative regulation of photomorphogenesis

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1318189

CSN3
COP9 signalosome complex subunit 3

4

17

Small-scale

0.896

High

852146

CSN1
COP9 signalosome complex subunit 1

4

20

Small-scale

0.876

High

1318191

CSN7
COP9 signalosome complex subunit 7

3

9

Small-scale

0.843

High

1318187

CSN6A
COP9 signalosome complex subunit 6a

3

11

Small-scale

0.833

High

846879

CSN8
COP9 signalosome complex subunit 8

2

2

Small-scale

0.768

High

1318188

CSN2
COP9 signalosome complex subunit 2

1

20

Small-scale

0.713

High

1318190

CUL1
Cullin-1

1

12

Small-scale

0.691

High

1318186

CUL4
Cullin-4

1

12

Small-scale

0.683

High

1318193

CSN5B
COP9 signalosome complex subunit 5b

4

15

Small-scale

0.674

High

1318184

CSN4
COP9 signalosome complex subunit 4

1

5

Small-scale

0.656

High

1318185

CSN5A
COP9 signalosome complex subunit 5a

3

15

Small-scale

0.648

High

1318196

CUL3A
Cullin-3A

1

12

Small-scale

0.553

High

1318194

COP10
Constitutive photomorphogenesis protein 10

1

0

Small-scale

0.486

High

840432

14333
14-3-3-like protein GF14 psi

1

0

High-throughput

0.458

High

1020317

NPR1
Regulatory protein NPR1

1

0

Small-scale

0.458

High

846846

COP1
E3 ubiquitin-protein ligase COP1

1

4

Small-scale

0.445

High

1318192

EIF3H
Eukaryotic translation initiation factor 3 subunit H

1

17

Small-scale

0.437

High

1203930

VAL2
B3 domain-containing transcription repressor VAL2

2

0

High-throughput

0.323

High

1318195

SMAP1
Small acidic protein 1

1

0

Small-scale

0.292

High

1184373

UFO
Protein UNUSUAL FLORAL ORGANS

1

0

Small-scale

0.279

Low

146314

COI1
Coronatine-insensitive protein 1

1

0

Small-scale

0.253

Low

236217

COL1
Zinc finger protein CONSTANS-LIKE 1

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025