The hearts with the protein that were then treated with sildanafil showed stronger muscle contraction and relaxation and as much as 10 times lower stress-related enzyme activity, researchers found.
对有这种蛋白的心脏给予昔多芬处理后表现出较强的肌肉收缩和舒张能力，且张力相关的酶活性降低了10倍。
3
Recent advances in the measurement and analysis of protein NMR relaxation data have made it possible to characterize the dynamical properties of many backbone and side chain groups.