Encyclopedia of Signaling Molecules

2018 Edition
| Editors: Sangdun Choi

RAB18

  • Mark T. Handley
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-67199-4_298

Synonyms

Historical Background

RAB proteins are members of the RAS superfamily of small GTPases, with which they share sequence and structural homology. RAS isoforms were first identified in cancer-causing viruses and subsequently as oncogenes, prompting substantial interest. Subfamilies of the RAS GTPases include the RAB, RHO, ARF, RAP, and RAN proteins of which RABs are the largest group (Takai et al. 2001). Early work in yeast identified essential roles for the RABs Ypt1p and Sec4p in pre- and post-Golgi membrane trafficking (Salminen and Novick 1987; Segev et al. 1988). Efforts to clone other members of the RAB gene family quickly established that this family had undergone significant expansion in higher eukaryotes. As each new RAB was discovered, it also became clear that different RAB proteins could adopt specific subcellular localizations, associating with particular membrane...

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References

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Section of Genetics, Leeds Institute of Biomedical and Clinical SciencesUniversity of LeedsLeedsUK