Protein: PCH1
Protein PHOTOPERIODIC CONTROL OF HYPOCOTYL 1 (F-box protein PCH1)

Gene: PCH1
Organism: Arabidopsis thaliana
Interactions: 18
UniProt ID: Q84V03

Gene Ontology (top 5):
GO:0005634 - nucleus
GO:0007623 - circadian rhythm
GO:0009637 - response to blue light
GO:0009658 - chloroplast organization
GO:0010017 - red or far-red light signaling pathway

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

574996

PHYB
Phytochrome B

1

4

Small-scale

0.573

High

146367

ELF4
Protein EARLY FLOWERING 4

2

0

Small-scale

0.559

High

308538

ELF3
Protein EARLY FLOWERING 3

2

0

Small-scale

0.559

High

839690

PHYD
Phytochrome D

1

4

Small-scale

0.552

High

839693

PHYE
Phytochrome E

1

4

Small-scale

0.504

High

574959

PHYA
Phytochrome A

1

4

Small-scale

0.479

High

575026

PHYC
Phytochrome C

1

4

Small-scale

0.479

High

846844

COP1
E3 ubiquitin-protein ligase COP1

1

1

Small-scale

0.479

High

1284859

SPA1
Protein SUPPRESSOR OF PHYA-105 1

1

1

Small-scale

0.479

High

306124

PIF3
Transcription factor PIF3

1

0

Small-scale

0.458

High

847340

RD21A
Cysteine proteinase RD21A

1

0

Small-scale

0.458

High

1284852

FHY1
Protein FAR-RED ELONGATED HYPOCOTYL 1

1

0

Small-scale

0.458

High

1284853

TPL
Protein TOPLESS

1

0

Small-scale

0.458

High

1284854

Q9FIX7
Zinc knuckle

1

0

Small-scale

0.458

High

1284855

DSLE
Zinc finger BED domain-containing protein DAYSLEEPER

1

0

Small-scale

0.458

High

1284856

CP41B
Chloroplast stem-loop binding protein of 41 kDa b, chloroplastic

1

0

Small-scale

0.458

High

1284857

PCL1
Transcription factor LUX

1

0

Small-scale

0.458

High

1284858

Q9SQR8
non-specific serine/threonine protein kinase

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025