May be involved in protein transport from Golgi to cell surface. The ZDHHC9-GOLGA7 complex is a palmitoyltransferase specific for HRAS and NRAS. {ECO:0000269|PubMed:14522980, ECO:0000269|PubMed:16000296}. This is the function of GOLGA7 (golgin A7, ENSG00000147533).