BLOC-3 Complex Member HPS1

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** BLOC-3 complex member HPS1 (700 aa, ~79 kDa) is encoded by the human HPS1 gene. This protein is involved in guanine nucleotide exchange and melanosome biogenesis.

**Synonyms:** - HPS1 - Hermansky-Pudlak Syndrome 1 Protein