BLOC‐1 cargoes such as the Menkes copper transporter ATP7A, which transports copper for tyrosinase enzymatic activities, and the melanosomal SNARE protein VAMP7 (shown to be a BLOC‐1 cargo in neuronal cells) depend on normal WASH complex function, perhaps for their stability, in cultured melanoma cells (Ryder et al., 2013). This evidence concerns the gene VAMP7 and melanoma.