482918101ENSG00000135577ENSMUSG00000019865P28336O54799NM_002511NM_001324307NM_001324308NM_008703NP_001311236NP_001311237NP_002502NP_032729The neuromedin B receptor (NMBR), now known as BB1 is a G protein-coupled receptor whose endogenous ligand is neuromedin B. The neuromedin B receptor (NMBR), now known as BB1 is a G protein-coupled receptor whose endogenous ligand is neuromedin B. Neuromedin B receptor binds neuromedin B, a potent mitogen and growth factor for normal and neoplastic lung and for gastrointestinal epithelial tissue. This article incorporates text from the United States National Library of Medicine, which is in the public domain.