Protein: HY5
Transcription factor HY5 (Protein LONG HYPOCOTYL 5) (bZIP transcription factor 56) (AtbZIP56)

Gene: HY5
Organism: Arabidopsis thaliana
Interactions: 52
UniProt ID: O24646

Gene Ontology (top 5):
GO:0000976 - transcription cis-regulatory region binding
GO:0000981 - DNA-binding transcription factor activity, RNA polymerase II-specific
GO:0003677 - DNA binding
GO:0003690 - double-stranded DNA binding
GO:0003700 - DNA-binding transcription factor activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

201220

HYH
Transcription factor HY5-like

4

20

Small-scale

0.893

High

201199

HY5
Transcription factor HY5

2

19

Small-scale

0.793

High

201207

COP1
E3 ubiquitin-protein ligase COP1

11

20

Small-scale

0.758

High

201231

BBX21
B-box zinc finger protein 21

4

19

Small-scale

0.701

High

201205

GBF1
G-box-binding factor 1

1

19

Small-scale

0.680

High

201206

GBF2
G-box-binding factor 2

1

19

Small-scale

0.680

High

70790

A8MS70
HY5-homolog

1

20

High-throughput

0.675

High

201237

BBX25
B-box zinc finger protein 25

3

19

Small-scale

0.674

High

201230

FHY3
Protein FAR-RED ELONGATED HYPOCOTYL 3

3

1

Small-scale

0.658

High

201211

BBX20
B-box zinc finger protein 20

2

19

Small-scale

0.654

High

201200

PIF3
Transcription factor PIF3

2

8

Small-scale

0.642

High

201216

PIF1
Transcription factor PIF1

2

8

Small-scale

0.633

High

201233

LAF1
Transcription factor LAF1

2

2

Small-scale

0.629

High

201203

BBX23
B-box zinc finger protein 23

1

19

High-throughput

0.573

High

201225

HFR1
Transcription factor HFR1

1

7

Small-scale

0.561

High

201217

NFYC9
Nuclear transcription factor Y subunit C-9

1

5

High-throughput

0.560

High

201221

BBX24
B-box zinc finger protein 24

1

19

High-throughput

0.560

High

201235

PKL
CHD3-type chromatin-remodeling factor PICKLE

1

6

Small-scale

0.543

High

201208

CALM7
Calmodulin-7

1

6

Small-scale

0.536

High

201222

ERF16
Ethylene-responsive transcription factor ERF016

1

4

Small-scale

0.527

High

201229

BH107
Putative transcription factor bHLH107

1

8

Small-scale

0.527

High

201240

FAR1
Protein FAR-RED IMPAIRED RESPONSE 1

1

1

Small-scale

0.527

High

201218

BZR1
Protein BRASSINAZOLE-RESISTANT 1

1

0

Small-scale

0.526

High

201213

OFP8
Transcription repressor OFP8

1

0

High-throughput

0.518

High

100233

SHW1
Protein SHORT HYPOCOTYL IN WHITE LIGHT 1

1

0

Small-scale

0.504

High

201210

CCA1
Protein CCA1

1

0

Small-scale

0.504

High

201219

FHY1
Protein FAR-RED ELONGATED HYPOCOTYL 1

1

0

Small-scale

0.504

High

62272

BH075
Transcription factor bHLH75

1

5

Small-scale

0.501

High

201201

BH106
Transcription factor bHLH106

1

7

Small-scale

0.501

High

201202

CRF1
Ethylene-responsive transcription factor CRF1

1

8

Small-scale

0.501

High

201209

DRE2G
Dehydration-responsive element-binding protein 2G

1

6

Small-scale

0.501

High

201212

BH035
Transcription factor bHLH35

1

1

Small-scale

0.501

High

201215

RA211
Ethylene-responsive transcription factor RAP2-11

1

5

Small-scale

0.501

High

201223

COL7
Zinc finger protein CONSTANS-LIKE 7

1

10

Small-scale

0.501

High

201226

MYC3
Transcription factor MYC3

1

1

Small-scale

0.501

High

201227

BH078
Transcription factor bHLH78

1

7

Small-scale

0.501

High

201228

BH101
Transcription factor bHLH101

1

3

Small-scale

0.501

High

201232

ERF98
Ethylene-responsive transcription factor ERF098

1

6

Small-scale

0.501

High

201234

ORG3
Transcription factor ORG3

1

3

Small-scale

0.501

High

201238

BH047
Transcription factor bHLH47

1

2

Small-scale

0.501

High

201243

Q9T0G9
Myb domain protein 79

1

4

Small-scale

0.501

High

4229

A0A178VQX8

1

2

High-throughput

0.494

High

49260

A0MFC4
MADS-box domain-containing protein

1

1

High-throughput

0.494

High

200053

O23222
MADS-box protein

1

1

High-throughput

0.481

High

201236

Q9SI97
At2g28710

1

2

High-throughput

0.481

High

201214

ERFL1
Ethylene-responsive transcription factor-like protein At4g13040

1

0

Small-scale

0.480

High

201204

PHYB
Phytochrome B

1

0

Small-scale

0.458

High

201241

BBX22
B-box zinc finger protein 22

1

19

Small-scale

0.457

High

201242

SPA1
Protein SUPPRESSOR OF PHYA-105 1

1

19

Small-scale

0.457

High

201239

CIP8
E3 ubiquitin-protein ligase CIP8

1

0

Small-scale

0.275

Low

201224

PEX2
Peroxisome biogenesis protein 2

1

0

Small-scale

0.269

Low


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Last updated: 11Aug2025