A GENERAL METHOD OF PURIFICATION OF ADENOSINE DEAMINASE BY AFFINITY CHROMATOGRAPHY
作者:
C. A. Rossi,
A. Lucacchini,
U. Montali,
G. Ronca,
期刊:
International Journal of Peptide and Protein Research
(WILEY Available online 1975)
卷期:
Volume 7,
issue 1
页码: 81-89
ISSN:0367-8377
年代: 1975
DOI:10.1111/j.1399-3011.1975.tb02416.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Affinity chromatography has been used to purify adenosine deaminase from various sources: calf spleen, calf intestinal mucosa, chicken duodena and human erythrocytes. For this purpose a specific inhibitor, 9‐(p‐aminobenzyl) adenine, was synthesized and covalently joined to agarose. Adenosine deaminase is selectively retained by such an inhibitor‐resin when highly impure solutions are chromatographed through it. After elution from the resin with guanylurea, a competitive inhibitor, the enzyme is homogeneous and can be recovered in yields of 80% or more and the same number of multiple forms of the enzyme is present in the purified preparation and in the crude ex
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