RAB38

RAB38 is a member of the Ras-related protein family and functions as a key regulator of intracellular membrane trafficking, especially within the endosomal-lysosomal system. Mainly found in the cytoplasm, RAB38 coordinates the movement and fusion of membrane-bound vesicles, ensuring correct sorting and delivery of cargo molecules. This protein has a specialized role in melanosome biogenesis, supporting the maturation and transport of melanosomes—organelles responsible for melanin synthesis and distribution in melanocytes. Through its interactions with effector proteins and membrane fusion machinery, RAB38 facilitates these essential cellular processes.

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