GSTP1 and coronary artery disorder: Additionally, there were six (1.2%) proteins which were lower with relatively high fold difference (log2 fold difference > 0.25) in the left ventricle of AVS compared to left ventricle of CAD patients: glutathione S-transferase P, myomesin-1 and 2, proactivator polypeptide, apoptotic chromatin condensation inducer in the nucleus and heterogeneous nuclear ribonucleoproteins C1/C2 (Additional file 1: Table S1).