sentence: Furthermore , recycling of the cation-independent mannose 6-phosphate receptor , EGFR , and transferrin receptor is mediated by PI3P-binding protein , SNX1 , SNX4 , and SNX16 ( Kurten et al ., 1996 ; Carlton et al ., 2004 ; Choi et al ., 2004 ; Traer et al ., 2007 ) .