CLRN1

CLRN1
Identifiers
Aliases	CLRN1, RP61, USH3, USH3A, clarin 1
External IDs	OMIM: 606397; MGI: 2388124; HomoloGene: 17738; GeneCards: CLRN1; OMA:CLRN1 - orthologs
Gene location (Human) Chr. Chromosome 3 (human) Band 3q25.1 Start 150,926,163 bp End 150,972,727 bp
Gene location (Mouse) Chr. Chromosome 3 (mouse) Band 3|3 D Start 58,751,449 bp End 58,792,761 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in right adrenal cortex buccal mucosa cell testicle left adrenal cortex gonad jejunal mucosa duodenum skin of hip blood pituitary gland Top expressed in otolith organ utricle otic vesicle spinal ganglia lens auditory system organ of Corti dentate gyrus of hippocampal formation granule cell spiral ganglion epithelium of lens More reference expression data BioGPS n/a
Orthologs Species Human Mouse Entrez 7401 229320 Ensembl ENSG00000163646 ENSMUSG00000043850 UniProt P58418 Q8K445 RefSeq (mRNA) NM_001195794 NM_001256819 NM_052995 NM_174878 NM_174880 NM_153384 NM_153385 NM_153386 RefSeq (protein) NP_001182723 NP_001243748 NP_443721 NP_777367 NP_700433 NP_700434 NP_700435 Location (UCSC) Chr 3: 150.93 – 150.97 Mb Chr 3: 58.75 – 58.79 Mb PubMed search
Wikidata
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Clarin-1 is a protein that in humans is encoded by the CLRN1 gene.

Function

This gene encodes a protein that contains a cytosolic N-terminus, multiple helical transmembrane domains, and an endoplasmic reticulum membrane retention signal, TKGH, in the C-terminus. The encoded protein may be important in development and homeostasis of the inner ear and retina. Mutations within this gene have been associated with Usher syndrome type IIIa. Multiple transcript variants encoding distinct isoforms have been identified for this gene.

Further reading

• Adato A, Kalinski H, Weil D, et al. (1999). "Possible interaction between USH1B and USH3 gene products as implied by apparent digenic deafness inheritance". Am. J. Hum. Genet. 65 (1): 261–5. doi:10.1086/302438. PMC 1378101. PMID 10364543.
• Joensuu T, Hämäläinen R, Lehesjoki AE, et al. (2000). "A sequence-ready map of the Usher syndrome type III critical region on chromosome 3q". Genomics. 63 (3): 409–16. doi:10.1006/geno.1999.6096. PMID 10704288.
• Joensuu T, Hämäläinen R, Yuan B, et al. (2001). "Mutations in a Novel Gene with Transmembrane Domains Underlie Usher Syndrome Type 3". Am. J. Hum. Genet. 69 (4): 673–84. doi:10.1086/323610. PMC 1226054. PMID 11524702.
• Adato A, Vreugde S, Joensuu T, et al. (2003). "USH3A transcripts encode clarin-1, a four-transmembrane-domain protein with a possible role in sensory synapses". Eur. J. Hum. Genet. 10 (6): 339–50. doi:10.1038/sj.ejhg.5200831. PMID 12080385.
• Fields RR, Zhou G, Huang D, et al. (2002). "Usher Syndrome Type III: Revised Genomic Structure of the USH3 Gene and Identification of Novel Mutations". Am. J. Hum. Genet. 71 (3): 607–17. doi:10.1086/342098. PMC 449697. PMID 12145752.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Ness SL, Ben-Yosef T, Bar-Lev A, et al. (2003). "Genetic homogeneity and phenotypic variability among Ashkenazi Jews with Usher syndrome type III". J. Med. Genet. 40 (10): 767–72. doi:10.1136/jmg.40.10.767. PMC 1735287. PMID 14569126.
• Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
• Aller E, Jaijo T, Oltra S, et al. (2005). "Mutation screening of USH3 gene (clarin-1) in Spanish patients with Usher syndrome: low prevalence and phenotypic variability". Clin. Genet. 66 (6): 525–9. doi:10.1111/j.1399-0004.2004.00352.x. PMID 15521980. S2CID 44517424.
• Plantinga RF, Kleemola L, Huygen PL, et al. (2005). "Serial audiometry and speech recognition findings in Finnish Usher syndrome type III patients". Audiol. Neurootol. 10 (2): 79–89. doi:10.1159/000083363. PMID 15650299. S2CID 32183013.

External links

• GeneReviews/NCBI/NIH/UW entry on Retinitis Pigmentosa Overview
• Human CLRN1 genome location and CLRN1 gene details page in the UCSC Genome Browser.