Predicted to be involved in organelle organization. Predicted to act upstream of or within pigmentation. Predicted to be part of BLOC-2 complex. Predicted to be active in cytoplasm. Human ortholog(s) of this gene implicated in Hermansky-Pudlak syndrome and Hermansky-Pudlak syndrome 3. Orthologous to human HPS3 (HPS3 biogenesis of lysosomal organelles complex 2 subunit 1). [provided by Alliance of Genome Resources, Apr 2022]