OR5U1: Difference between revisions

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'''OR5U1''' is a gene that encodes a protein in humans. This protein is a member of the olfactory receptor family, which is involved in the detection of smell. The olfactory receptor proteins are G protein-coupled receptors (GPCRs) that detect odor molecules in the nose and initiate a neuronal response that triggers the perception of a smell.  
 
{{Infobox gene
| name = OR5U1
| symbol = OR5U1
| HGNCid = 14857
| chromosome = 11
| arm = q
| band = 11.2
| locus = 11q11.2
| gene_family = Olfactory receptor
}}
 
'''OR5U1''' is a gene that encodes a member of the olfactory receptor family of proteins. These receptors are part of the [[G protein-coupled receptor]] (GPCR) superfamily, which are responsible for detecting odor molecules and initiating the sense of [[smell]].


== Function ==
== Function ==
The olfactory receptor proteins are members of a large family of G-protein coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. The nomenclature assigned to the olfactory receptor genes and proteins for this organism is independent of other organisms.
Olfactory receptors, such as OR5U1, are expressed in the [[olfactory epithelium]] and are involved in the detection of odorants. These receptors interact with odorant molecules in the [[nasal cavity]], leading to the activation of a G protein-mediated signal transduction pathway. This ultimately results in a neuronal response that is perceived as a distinct smell by the brain.


== Structure ==
== Structure ==
The [[OR5U1]] gene is located on chromosome 1, specifically at 1q44. The gene spans approximately 1 kilobase and consists of one exon. The encoded protein is 312 amino acids in length, with a predicted molecular weight of approximately 35 kilodaltons. The protein is predicted to have seven transmembrane domains, characteristic of G protein-coupled receptors.
OR5U1, like other olfactory receptors, has a 7-transmembrane domain structure typical of GPCRs. This structure allows the receptor to traverse the [[cell membrane]] and interact with intracellular G proteins.
 
== Genetic Information ==
The OR5U1 gene is located on chromosome 11 at the q11.2 locus. It is part of a large family of olfactory receptor genes that are distributed throughout the human genome. The olfactory receptor gene family is the largest in the human genome, highlighting the complexity and diversity of the sense of smell.


== Clinical Significance ==
== Clinical Significance ==
While the specific function of OR5U1 is not yet fully understood, it is believed to play a role in the detection of certain smells. Mutations in this gene, as well as other olfactory receptor genes, have been associated with a decreased sense of smell, a condition known as [[anosmia]]. Further research is needed to fully understand the role of OR5U1 in smell perception and potential links to disease.
While specific clinical implications of OR5U1 are not well-documented, variations in olfactory receptor genes can affect an individual's sense of smell. This can have implications for [[anosmia]] (loss of smell) or [[hyposmia]] (reduced sense of smell), which can impact quality of life and may be associated with certain neurological conditions.


[[File:OR5U1 gene location on human chromosome 1.png|thumb|right|300px|Location of the OR5U1 gene on human chromosome 1.]]
== Research ==
Research into olfactory receptors like OR5U1 continues to provide insights into the molecular mechanisms of olfaction and its role in human health and disease. Understanding these receptors can also contribute to the development of artificial sensing devices and novel therapeutic approaches.


== See Also ==
== See Also ==
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* [[G protein-coupled receptor]]
* [[G protein-coupled receptor]]
* [[Anosmia]]
* [[Anosmia]]
* [[Hyposmia]]


== References ==
== References ==
<references />
<references/>
 
== External Links ==
* [https://www.ncbi.nlm.nih.gov/gene/OR5U1 OR5U1 Gene - NCBI]
* [https://www.genecards.org/cgi-bin/carddisp.pl?gene=OR5U1 OR5U1 Gene - GeneCards]


[[Category:Genes on human chromosome 1]]
[[Category:Genes on human chromosome 11]]
[[Category:Olfactory receptors]]
[[Category:Olfactory receptors]]
[[Category:G protein-coupled receptors]]
[[Category:G protein-coupled receptors]]
{{medicine-stub}}

Latest revision as of 20:27, 30 December 2024


OR5U1
Symbol OR5U1
HGNC ID 14857
Alternative symbols
Entrez Gene
OMIM
RefSeq
UniProt
Chromosome 11q11.2
Locus supplementary data


OR5U1 is a gene that encodes a member of the olfactory receptor family of proteins. These receptors are part of the G protein-coupled receptor (GPCR) superfamily, which are responsible for detecting odor molecules and initiating the sense of smell.

Function[edit]

Olfactory receptors, such as OR5U1, are expressed in the olfactory epithelium and are involved in the detection of odorants. These receptors interact with odorant molecules in the nasal cavity, leading to the activation of a G protein-mediated signal transduction pathway. This ultimately results in a neuronal response that is perceived as a distinct smell by the brain.

Structure[edit]

OR5U1, like other olfactory receptors, has a 7-transmembrane domain structure typical of GPCRs. This structure allows the receptor to traverse the cell membrane and interact with intracellular G proteins.

Genetic Information[edit]

The OR5U1 gene is located on chromosome 11 at the q11.2 locus. It is part of a large family of olfactory receptor genes that are distributed throughout the human genome. The olfactory receptor gene family is the largest in the human genome, highlighting the complexity and diversity of the sense of smell.

Clinical Significance[edit]

While specific clinical implications of OR5U1 are not well-documented, variations in olfactory receptor genes can affect an individual's sense of smell. This can have implications for anosmia (loss of smell) or hyposmia (reduced sense of smell), which can impact quality of life and may be associated with certain neurological conditions.

Research[edit]

Research into olfactory receptors like OR5U1 continues to provide insights into the molecular mechanisms of olfaction and its role in human health and disease. Understanding these receptors can also contribute to the development of artificial sensing devices and novel therapeutic approaches.

See Also[edit]

References[edit]

<references/>

External Links[edit]