Period (gene)
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| Identifiers | |
| Symbol | PER1 |
| Alt. Symbols | PER |
| Entrez | 5187 |
| HUGO | 8845 |
| OMIM | 602260 |
| RefSeq | NM_002616 |
| UniProt | O15534 |
| Other data | |
| Locus | Chr. 17 p12 |
| Identifiers | |
| Symbol | PER2 |
| Entrez | 8864 |
| HUGO | 8846 |
| OMIM | 603426 |
| RefSeq | NM_003894 |
| UniProt | O15055 |
| Other data | |
| Locus | Chr. 2 q37.3 |
| Identifiers | |
| Symbol | PER3 |
| Entrez | 8863 |
| HUGO | 8847 |
| OMIM | 603427 |
| RefSeq | NM_016831 |
| UniProt | P56645 |
| Other data | |
| Locus | Chr. 1 p36.23 |
Period (per) is a gene in Drosophilia which encodes a protein, PER, regulating circadian rhythm. There are some known alleles of the per gene that can make the circadian cycle longer or shorter than the usual cycle (which is around 24 hours). It is still uncertain how exactly this gene operates.
In human, there are three known PER family genes: PER1, PER2, and PER3.
See also
External links
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
