…SNX3 is enriched at early endosomes, retromer tubules formed by the Vps5 and Vps17 homologues SNX1/2 and SNX5/6, respectively (Wassmer et al., 2009), are most abundant on endosomes undergoing the early-to-late transition (Rojas et al., 2008; Cullen and Korswagen, 2012; van Weering et al., 2012).