Immunogen: Fusion protein amino acids 1503-1545 (VHTILTADLVIVMKRGNILEYDTPESLLAQEDGVFASFVRADM, cytoplasmic C-terminus) of rat SUR2B (also known as Sulfonylurea receptor 2B, ATP-binding cassette transporter subfamily C member 9B and Abcc9B, accession number Q63563-2)