Protein: PER1
Period circadian protein homolog 1 (mPER1) (Circadian clock protein PERIOD 1) (Circadian pacemaker protein Rigui)

Gene: PER1
Organism: Mus musculus
Interactions: 25
UniProt ID: O35973

Gene Ontology (top 5):
GO:0000122 - negative regulation of transcription by RNA polymerase II
GO:0000976 - transcription cis-regulatory region binding
GO:0002028 - regulation of sodium ion transport
GO:0005634 - nucleus
GO:0005654 - nucleoplasm

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

205745

CRY1
Cryptochrome-1

6

20

Small-scale

0.927

High

205759

BMAL1
Basic helix-loop-helix ARNT-like protein 1

4

20

Small-scale

0.873

High

205739

PER2
Period circadian protein homolog 2

4

18

Small-scale

0.860

High

205738

PER1
Period circadian protein homolog 1

3

18

Small-scale

0.845

High

148266

CLOCK
Circadian locomoter output cycles protein kaput

3

19

Small-scale

0.827

High

205757

CRY2
Cryptochrome-2

3

20

Small-scale

0.814

High

205741

PER3
Period circadian protein homolog 3

2

18

Small-scale

0.743

High

205756

KC1E
Casein kinase I isoform epsilon

4

20

Small-scale

0.674

High

205758

TIM
Protein timeless homolog

2

4

Small-scale

0.629

High

205742

UBP2
Ubiquitin carboxyl-terminal hydrolase 2

2

10

Small-scale

0.624

High

63087

A5D6Q2
Nuclear receptor coactivator 3

1

19

High-throughput

0.621

High

205746

Q05BA5
Nuclear receptor coactivator

1

20

High-throughput

0.590

High

205755

KC1D
Casein kinase I isoform delta

2

20

Small-scale

0.584

High

205740

TLX3
T-cell leukemia homeobox protein 3

1

10

High-throughput

0.541

High

205743

FOXP1
Forkhead box protein P1

1

10

High-throughput

0.541

High

205747

NFE2
Transcription factor NF-E2 45 kDa subunit

1

4

High-throughput

0.541

High

205751

EWS
RNA-binding protein EWS

1

3

High-throughput

0.541

High

205748

FBW1A
F-box/WD repeat-containing protein 1A

1

13

Small-scale

0.536

High

205744

MK01
Mitogen-activated protein kinase 1

1

4

Small-scale

0.479

High

205749

SIN3A
Paired amphipathic helix protein Sin3a

1

3

Small-scale

0.479

High

205750

PPP5
Serine/threonine-protein phosphatase 5

1

12

High-throughput

0.479

High

205752

KC1A
Casein kinase I isoform alpha

1

20

Small-scale

0.479

High

205753

SFPQ
Splicing factor, proline- and glutamine-rich

1

7

Small-scale

0.479

High

205754

NONO
Non-POU domain-containing octamer-binding protein

1

8

Small-scale

0.479

High


Service provided by Combinatics, Japan

Last updated: 11Aug2025