The identification of a conserved domain in both spartin and spastin, mutated in hereditary spastic paraplegia

Francesca D. Ciccarelli, Christos Proukakis, Heema Patel, Harold Cross, Shakil Azam, Michael A. Patton, Peer Bork, Andrew H. Crosby

Research output: Contribution to journalArticle

114 Scopus citations

Abstract

Multiple sequence alignment has revealed the presence of a sequence domain of ∼80 amino acids in two molecules, spartin and spastin, mutated in hereditary spastic paraplegia. The domain, which corresponds to a slightly extended version of the recently described ESP domain of unknown function, was also identified in VPS4, SKD1, RPK118, and SNX15, all of which have a well established and consistent role in endosomal trafficking. Recent functional information indicates that spastin is likely to be involved in microtubule interaction. With this new information relating to its likely function, we propose the more descriptive name 'MIT' (contained within microtubule-interacting and trafficking molecules) for the domain and predict endosomal trafficking as the principal functionality of all molecules in which it is present.

Original languageEnglish (US)
Pages (from-to)437-441
Number of pages5
JournalGenomics
Volume81
Issue number4
DOIs
StatePublished - Apr 1 2003

ASJC Scopus subject areas

  • Genetics

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    Ciccarelli, F. D., Proukakis, C., Patel, H., Cross, H., Azam, S., Patton, M. A., Bork, P., & Crosby, A. H. (2003). The identification of a conserved domain in both spartin and spastin, mutated in hereditary spastic paraplegia. Genomics, 81(4), 437-441. https://doi.org/10.1016/S0888-7543(03)00011-9