期刊
FEBS LETTERS
卷 582, 期 7, 页码 1019-1024出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2008.02.049
关键词
CLN3; Batten disease; transmembrane; topology; bioinformatics
资金
- BBSRC [BB/E022278/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/E022278/1] Funding Source: researchfish
- Biotechnology and Biological Sciences Research Council [BB/E022278/1] Funding Source: Medline
- Medical Research Council Funding Source: Medline
- Wellcome Trust Funding Source: Medline
The CLN3 gene encodes an integral membrane protein of unknown function. Mutations in CLN3 can cause juvenile neuronal ceroid lipofuscinosis, or Batten disease, an inherited neurodegenerative lysosomal storage disease affecting children. Here, we report a topological study of the CLN3 protein using bioinformatic approaches constrained by experimental data. Our results suggest that CLN3 has a six transmembrane helix topology with cytoplasmic N and C-termini, three large lumenal loops, one of which may contain an amphipathic helix, and one large cytoplasmic loop. Surprisingly, varied topological predictions were made using different subsets of orthologous sequences, highlighting the challenges still remaining for bioinformatics. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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