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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Multiple transcriptional variants and RNA editing in C18orf1, a novel gene with LDLRA and transmembrane domains on 18p11.2.

C18orf1 is a novel brain-expressed transcript, mapping to 18p11. 2. Upon further characterization, we found multiple and differentially expressed transcriptional variants. C18orf1 alpha 1, an 8.5-kb transcript, was predicted to code for a 306-amino-acid protein and a 7.1-kb 3'-untranslated region ( UTR). This variant was encoded by at least six exons. Alternative transcripts included alpha 2, identical to alpha 1 but missing 18 residues, and N-terminal-truncated variants termed beta 1 and beta 2. A motif search suggested the presence of a transmembrane domain in both alpha and beta and a low-density lipoprotein receptor class A (LDLRA) domain in the alpha-specific N-terminal. In LDLR, LDLRA has been shown to be involved in binding Ca2+ and LDL, raising the possibility that C18orf1 might bind Ca2+ and an unknown ligand. We also present evidence of RNA editing in the 5'-UTR of beta 2, the first demonstration of this phenomenon in 5'-UTR.[1]

References

  1. Multiple transcriptional variants and RNA editing in C18orf1, a novel gene with LDLRA and transmembrane domains on 18p11.2. Yoshikawa, T., Sanders, A.R., Esterling, L.E., Detera-Wadleigh, S.D. Genomics (1998) [Pubmed]
 
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