Uroplakin Ia

**Definition:** A tetraspanin domain-containing uroplakin subtype. It heterodimerizes with UROPLAKIN II to form a component of the asymmetric unit membrane found in urothelial cells.

**Tree numbers:** - D09.400.430.890.942.100 - D12.776.395.550.942.100 - D12.776.543.550.942.100 - D12.776.543.900.750

**Synonyms:** - Uroplakin 1a