FKBP5 and myocardial ischemia: Additionally, FKBP5 displayed the highest discriminative ability (AUC = 0.879) among the individual molecules for IHD, followed by COL1A2 (AUC = 0.868), PCSK6 (AUC = 0.843), EDNRA (AUC = 0.823), and PCOLCE2 (AUC = 0.815).