ARL5B (ARL8) belongs to a family of proteins that are structurally similar to ADP-ribosylation factors (ARFs\; see MIM 103180). ARLs and ARFs are part of the RAS superfamily of regulatory GTPases.[supplied by OMIM, Nov 2010].
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Sebald, Krueger, King, Cohn, Krakow: "Isolation of a new member of the ADP-ribosylation like factor gene family, ARL8, from a cartilage cDNA library." in: Gene, Vol. 311, pp. 147-51, (2003) (PubMed).