all but three anti-peptide antisera also displayed immunoreactivity toward human placental and rat fat cell beta 1-adrenergic receptors , reflecting the level of sequence identity that exists between the two subtypes , chinese hamster ovary cells stably transfected with an expression vector harboring the cdna encoding the hamster beta 2-adrenergic receptor provided a cell type with 2 million receptors/cell , suitable for in situ localization of the sequences used as antigens .
C0086418
human
C0001643
beta 2-adrenergic