Creating Conformational Entropy by Increasing Interdomain Mobility in Ligand Binding Regulation: A Revisit to N-Terminal Tandem PDZ Domains of PSD-95 生物启发的纳米管道内流动特性研究: 纳米泵、开关特性、管外因素等 锌指半胱氨酸(2)-组氨酸(2)的金属耦合折叠