BINDING ABILITY OF N-PARA-AMINO-PHENYLSULFONYL DERIVATIVES OF AMINO-ACIDS - POTENTIOMETRIC AND SPECTROSCOPIC STUDIES OF CU(II) COMPLEXES

被引：2

作者：

KOWALIKJANKOWSKA, T

KOZLOWSKI, H

PETTIT, LD

PAWELCZAK, K

MAKOWSKI, M

机构：

[1] UNIV WROCLAW,INST CHEM,PL-50383 WROCLAW,POLAND

[2] UNIV LEEDS,SCH CHEM,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND

[3] PEDAGOG UNIV OPOLE,INST CHEM,PL-45052 OPOLE,POLAND

来源：

JOURNAL OF INORGANIC BIOCHEMISTRY | 1995年 / 57卷 / 03期

关键词：

D O I：

10.1016/0162-0134(94)00022-3

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

N-Para-amino-phenylsulfonyl derivatives of amino acids are very effective ligands for Cu(II) ions. Potentiometric and spectroscopic results have shown that Cu(II) ions are able to deprotonate and bind to sulfonamide nitrogen below pH 5 to form stable mono- and bis-{N-, COO-} chelates. The basicity of sulfonamide nitrogen is lower than peptide amide nitrogen and no distinct anchoring site is necessary to promote the amide nitrogen deprotonation.

引用

页码：183 / 190

页数：8

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