FT IR Study on the Secondary Structure of Earthworm Calmodulin(CaM) and the Effects of Ca2+ and Tb3+ Ions
WANG Libo,WU Jinguang,XU Guangxian,WANG Caiqing,ZHANG Tingfang
Acta Scientiarum Naturalium Universitatis Pekinensis . 1997, (6): 699 -707 .