Uroplakin Ib

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

**Tree numbers:** - D09.400.430.890.942.150 - D12.776.395.550.942.150 - D12.776.543.550.942.150 - D12.776.543.900.875

**Synonyms:** - Uroplakin 1b