[HTML][HTML] Selective binding of FKBP12. 6 by the cardiac ryanodine receptor

AP Timerman, H Onoue, HB Xin, S Barg… - Journal of Biological …, 1996 - ASBMB
The calcium release channels (CRC)/ryanodine receptors of skeletal (Sk) and cardiac (C)
muscle sarcoplasmic reticulum (SR) are hetero-oligomeric complexes with the structural
formulas (ryanodine recepter (RyR) 1 protomer) 4 (FKBP12) 4 and (RyR2 protomer) 4
(FKBP12. 6) 4, respectively, where FKBP12 and FKBP12. 6 are isoforms of the 12-kDa
receptor for the immunosuppressant drug FK506. The sequence similarity between the RyR
protomers and FKBP12 isoforms is 63 and 85%, respectively. Using 35 S-labeled FKBP12 …