Polarographic studies of ion binding in solutions of pepsin. II. Binding of thallous ions
作者:
Savo Lapanje,
期刊:
Biopolymers
(WILEY Available online 1966)
卷期:
Volume 4,
issue 1
页码: 85-89
ISSN:0006-3525
年代: 1966
DOI:10.1002/bip.1966.360040109
出版商: Wiley Subscription Services, Inc., A Wiley Company
数据来源: WILEY
摘要:
AbstractThe results of the application of a modified polarographic method to the study of binding of thallous ions in solutions of pepsin are reported. Isoionic solutions of pepsin were converted by using a cation exchange resin to solutions of thallous pepsin. The extent of ion binding was obtained as in the case of cadmium pepsin by assuming that only free, i.e., unbound, ions contribute to the diffusion and migration currents, respectively. However, the relations used previously for computing the degree of ion binding have been refined on the basis of experience acquired in a parallel study of solutions of thallous acrylate and polyacrylate, respectively.
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