Sorting nexin-17 (SNX17)

Sorting nexin-17 (SNX17) is a member of the sorting nexin family, characterized by the presence of a PX (phox homology) domain enabling binding to phosphoinositide-containing membranes, especially phosphatidylinositol 3-phosphate in early endosomes[1][2][3][4][5]. SNX17 plays a key role in intracellular protein trafficking, particularly in the sorting and recycling of certain transmembrane proteins such as members of the low-density lipoprotein receptor (LDLR) family, P-selectin, and integrins[1][2][3][4]. It achieves these functions via a truncated FERM domain and unique C-terminus, recognizing NPxY/NxxY/NxxF motifs in the cytoplasmic tails of its cargo, and through interaction with the Retriever complex[2][4][5]. SNX17 is not considered a classical drug target or therapeutic receptor but is fundamental in maintaining plasma membrane proteome composition and endosomal sorting pathways[2][3][4][5]. Altered SNX17 function may influence receptor turnover and cell surface protein displays, with potential indirect consequences for cellular homeostasis and disease, although direct therapeutic application or established disease associations remain limited[2][4][5]. Key details summarized from current molecular biology and structural studies indicate SNX17 functions in the recognition and recycling of specific protein cargoes, impacting receptor availability and plasma membrane dynamics, but it is not yet an established direct pharmacological target[2][4][5].

Other names

SNX17KIAA0064sorting nexin 17sorting nexin-17