The C-terminal region of the Sorting nexin group of proteins appears to carry a BAR-like (Bin/amphiphysin/Rvs) domain. This domain is very diverse and the similarities with other BAR domains are few. In the Sorting nexins it is associated with family PX, Pfam:PF00787.13, and in combination with PX appears to be necessary to bind WASP along with p85 to form a multimeric signalling complex [1].

1: The BAR-domain family of proteins: a case of bending and binding?. Habermann B; EMBO Rep 2004;5:250-255. PMID:14993925

2: SNX9 couples actin assembly to phosphoinositide signals and is required for membrane remodeling during endocytosis. Yarar D, Waterman-Storer CM, Schmid SL; Dev Cell. 2007;13:43-56. PMID:17609109