1. Gene
  2. PER2 - period circadian regulator 2 Gene

PER2 - period circadian regulator 2 Gene

Homo sapiens

Also known as FASPS; FASPS1

Gene ID: 8864 | Gene type: protein coding

About PER2

Cytogenetic location: 2q37.3 Genomic coordinates (GRCh38): 2:238,244,044-238,300,065 (from NCBI)

This gene has 4 transcripts (splice variants), 254 orthologues, 2 paralogues and is associated with 2 phenotypes. Ubiquitous expression in testis (RPKM 8.7), gall bladder (RPKM 7.6) and 25 other tissues.

Summary

This gene is a member of the Period family of genes and is expressed in a circadian pattern in the suprachiasmatic nucleus, the primary circadian pacemaker in the mammalian brain. Genes in this family encode components of the circadian rhythms of locomotor activity, metabolism, and behavior. This gene is upregulated by CLOCK/ARNTL heterodimers but then represses this upregulation in a feedback loop using PER/CRY heterodimers to interact with CLOCK/ARNTL. Polymorphisms in this gene may increase the risk of getting certain cancers and have been linked to sleep disorders. [provided by RefSeq, Jan 2014]

PER2 Products(1)

mRNA Protein Name
NM_022817.3 NP_073728.1 period circadian protein homolog 2

PER2 Protein Structure

PAS_11

PAS_11: PAS domain (333 - 434)

Period_C

Period_C: Period protein 2/3C-terminal region (1046 - 1234)

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  • 1255 a.a.
Protein Preferred Names Protein Names

period circadian protein homolog 2

circadian clock protein PERIOD 2

Related Diseases

Diseases Alias
Advanced Sleep Phase Syndrome, Familial, 1

Advanced Sleep Phase Syndrome 1

FASPS1

Familial Advanced Sleep Phase Syndrome 1

Sleep Phase Syndrome, Advanced, Familial, Type 1

Advanced Sleep Phase Syndrome

Fasps

Familial Advanced Sleep-Phase Syndrome

Advanced Sleep Phase Syndrome, Familial

Familial Advanced Sleep Phase Syndrome

Sleep Phase Syndrome, Advanced, Familial

Advanced Sleep-Phase Syndrome, Familial

Delayed Sleep Phase Disorder

Delayed Sleep Phase Syndrome

Delayed Sleep Phase Syndrome, Susceptibility To

DSPD

Delayed Sleep Phase Disorder, Susceptibility To

DSPS

Sleep Phase, Delayed, Disorder

Sleep Phase Syndrome, Delayed, Susceptibility To

Rem Sleep Behavior Disorder

Rapid Eye Movement Sleep Behavior Disorder

Rem Sleep Behaviour Disorder

Rapid Eye Movement Sleep Behaviour Disorder

Rem - [Rapid Eye Movement] Behaviour Disorder

Q Fever

Infection Due To Coxiella Burnetii

Quadrilateral Fever

Query Fever

Nine Mile Fever

Coxiella Burnetii Fever

Q Fever Pneumonia

Coxiellosis

Pneumonia In Q Fever

Australian Q Fever

Balkan Grippe

Sleep Disorder

Sleep Disorders

Non-Organic Sleep Disorder

Major Depressive Disorder

Seasonal Affective Disorder

Unipolar Depression

Depression

MDD

Depressive Disorder

Unipolar Depression, Susceptibility To

Major Depressive Disorder 1

Major Depressive Disorder, Response To Citalopram Therapy In

Major Depressive Disorder 2

Winter Depression

Single Major Depressive Episode

Sad

Clinical Depression

Major Depression

Depressive Syndrome

Major Depressive Disorder And Accelerated Response To Antidepressant Drug Treatment

Seasonal Affective Disorder, Susceptibility To

Recurrent Major Depression

Affective Disorder, Seasonal

Depression In A Seasonal Pattern

Depression

Seasonal

Major Depressive Disorder With A Seasonal Pattern

Seasonal Depression

Seasonal Mood Disorder

Mental Depression

Recurrent Major Depressive Episodes

Bipolar Disorder

Bipolar Depression

Manic Disorder

Depression, Bipolar

Bipolar Disorder Manic Phase

Depressive-Manic Psych.

Manic Bipolar Affective Disorder

Manic Bipolar I Disorder

Manic Depression

Manic Depressive Disorder

Mixed Bipolar Disorder

Bipolar Affective Disorder

Bipolar Affective Psychosis

Bipolar Spectrum Disorder

Manic Depressive Illness

Depression Bipolar

Bipolar Disorder, Mixed

Major Affective Disorder

Major Affective Disorder 1

Major Affective Disorder 2

Periodic Limb Movement Disorder

Nocturnal Myoclonus Syndrome

Nocturnal Myoclonus

Autism Spectrum Disorder

Asd

Autism Spectrum Disorders

Autistic Continuum

Pervasive Developmental Disorder

Pervasive Development Disorder

Autistic Behavior

Autistic Disorder

Autistic

Autistic Disorder Of Childhood Onset

Infantile Autism

Childhood Autism

Kanner Syndrome

Pervasive Developmental Delay Nos

Pervasive Developmental Disorder, Not Otherwise Specified

Autism

Autistic Disorder

Autism Susceptibility 1

Childhood Autism

Autistic Disorder Of Childhood Onset

Infantile Autism

Kanner'S Syndrome

Autistic

Body Mass Index Quantitative Trait Locus 11

OBESITY

Obesity, Susceptibility To

Leanness, Inherited

Obesity, Susceptibility To, Bmiq11

Obesity, Mild, Early-Onset

Obesity, Association With

Obesity, Early-Onset, Susceptibility To

Obesity, Severe

Obesity, Severe, And Type Ii Diabetes

Obesity, Late-Onset

Obesity , Susceptibility To

BMIQ11

Obesity Bmiq11

Obesity, Early-Onset

Simple Obesity Nos

Excess Fat

Obesity, Not Elsewhere Classified, Body Mass Index Not Elsewhere Classified

Adiposis

Attention Deficit-Hyperactivity Disorder

Attention Deficit Hyperactivity Disorder

ADHD

Attention Deficit Disorder

Attention Deficit-Hyperactivity Disorder, Susceptibility To

Attention Deficit Disorder With Hyperactivity

Hyperkinetic Disorder

Hyperactivity Of Childhood

Attention-Deficit/Hyperactivity Disorder

Add

Addh

Attention Deficit

Attention Deficit Disorder Of Childhood With Hyperactivity

Attention Deficit Disorder With Hyperactivity Syndrome

Hyperkinetic Syndrome

Attention-Deficit Hyperactivity Disorder

Attention-Deficit/Hyperactivity Disorder, Predominantly Inattentive Type

Disturbance Of Activity And Attention

Disorder Of Activity And Attention

Adhd - [Attention Deficit Hyperactivity Disorder]

Hyperkinetic Disorders

Disorder Of Activity And Attention With Hyperkinesia

Attention Deficit Syndrome With Hyperactivity

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Macaca mulatta PER2 VGNC VGNC:75943
Rattus norvegicus PER2 RGD RGD:61945
Felis catus PER2 VGNC VGNC:107597
Bos taurus PER2 VGNC VGNC:106859
Mus musculus PER2 MGD MGI:1195265
Canis familiaris PER2 VGNC VGNC:44421