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Published 27 February 2006. doi:10.1083/jcb.200512057
The Rockefeller University Press, 0021-9525 $8.00
JCB, Volume 172, Number 5, 645-650
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Nomenclature for the human Arf family of GTP-binding proteins: ARF, ARL, and SAR proteins



Richard A. Kahn1, Jacqueline Cherfils2, Marek Elias3, Ruth C. Lovering4, Sean Munro5, and Annette Schurmann6

1 Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322
2 Laboratoire d'Enzymologie et Biochimie Structurales, Centre National de la Recherche Scientifique, 91198 Gif-sur-Yvette, France
3 Department of Plant Physiology, Faculty of Science, Charles University, 128 44 Prague 2, Czech Republic
4 Human Genome Organisation Gene Nomenclature Committee, Galton Laboratory, Department of Biology, University College London, London NW1 2HE, United Kingdom
5 Medical Research Council Laboratory of Molecular Biology, Cambridge CB2 2QH, United Kingdom
6 Department of Pharmacology, German Institute of Human Nutrition Potsdam-Rehbrücke, D-14558 Nuthetal, Germany

Correspondence to Richard A. Kahn: rkahn{at}emory.edu


Abstract

The Ras superfamily is comprised of at least four large families of regulatory guanosine triphosphate–binding proteins, including the Arfs. The Arf family includes three different groups of proteins: the Arfs, Arf-like (Arls), and SARs. Several Arf family members have been very highly conserved throughout eukaryotic evolution and have orthologues in evolutionally diverse species. The different means by which Arf family members have been identified have resulted in an inconsistent and confusing array of names. This confusion is further compounded by differences in nomenclature between different species. We propose a more consistent nomenclature for the human members of the Arf family that may also serve as a guide for nomenclature in other species.

Abbreviations used in this paper: GDP, guanosine diphosphate; TRIM, tripartite motif.


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