[5][6] This gene encodes a member of the ADP-ribosylation factor-like family.

The encoded protein is a small GTPase that contains both N-terminal and C-terminal guanine nucleotide-binding motifs.

[5] Mutations in the ARL13B gene are associated with the Joubert syndrome.

[6] This article incorporates text from the United States National Library of Medicine, which is in the public domain.

This article on a gene on human chromosome 3 is a stub.