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General Information
OBO ID: GO:0120001
Term Name: apical plasma membrane urothelial plaque Search Ontology:
  • asymmetric unit membrane
  • AUM
Definition: A scallop-shaped plaque, also referred to as an asymmetric unit membrane (AUM), found in the apical plasma membrane of urothelial superficial (umbrella) cells which form a a barrier to the passage of water and soluble toxic compounds found in urine. The plaques are thickened regions of membrane composed of uroplakin transmembrane proteins which form a crystalline array. (2)
Ontology: GO: Cellular Component   QuickGO   AmiGO
EXPRESSION No data available
PHENOTYPE No data available