PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12606629-5 2003 Saturation binding of [(125)I]iodocyanopindolol to beta-AR subtypes revealed the presence of a high-affinity site (K(d1) = 96.4 +/- 8.7 pM; B(max1) = 12.5 +/- 0.6 fmol/mg protein) and a low-affinity site (K(d2) = 1.96 +/- 1.7 nM; B(max2) = 58.7 +/- 4.3 fmol/mg protein). Iodocyanopindolol 30-47 adrenoceptor beta 2 Homo sapiens 51-58