Synthetic Cu (II) and Ni (II) peptidases

GM Polzin, JN Burstyn - Metal Ions in Biological Systems, 2001 - books.google.com
Hydrolysis of amide bonds by metal complexes has been of great interest since it was
revealed that the active site of carboxypeptidase A contains a zinc ion [1]. The task of …

Artificial peptidase with an active site comprising a Cu (II) center and a proximal guanidinium ion. A carboxypeptidase A analogue

J Suh, SJ Moon - Inorganic Chemistry, 2001 - ACS Publications
An immobile artificial metallopeptidase having a well-defined active site was constructed on
the backbone of cross-linked polystyrene by adjoining a guanidinium moiety to the Cu (II) …

Dual catalytic role of the metal ion in nickel-assisted peptide bond hydrolysis

EI Podobas, A Bonna… - Journal of inorganic …, 2014 - Elsevier
In our previous research we demonstrated the sequence specific peptide bond hydrolysis of
the R 1-(Ser/Thr)-Xaa-His-Zaa-R 2 in the presence of Ni (II) ions. The molecular mechanism …

Major advances in the hydrolysis of peptides and proteins by metal ions and complexes

KB Grant, M Kassai - Current Organic Chemistry, 2006 - ingentaconnect.com
Metal ions and complexes that hydrolyze peptides and proteins have become increasingly
important in recent years. These reagents have shown great promise for use in a variety of …

Hydrolysis of an amide in a carboxypeptidase model using cobalt (III) and bifunctional catalysts

A Schepartz, R Breslow - Journal of the American Chemical …, 1987 - ACS Publications
The ability of a metal ion to cooperate with various inter-and intramolecular acids and bases
andpromote amide hydrolysis has been investigated. Phenolic and carboxylic functional …

Models of zinc-containing proteases. Catalysis of cobalt (III)-mediated amide hydrolysis by a pendant carboxylate

JT Groves, LA Baron - Journal of the American Chemical Society, 1989 - ACS Publications
The rate of intramolecular amide hydrolysis in substitutionally inert Co (III) complexes has
been investigated. In these models for zinc-containing peptidases, such as …

Structurally Distinct Active Sites in the Copper(II)-Substituted Aminopeptidases from Aeromonas proteolytica and Escherichia coli

B Bennett, WE Antholine, VM D'souza… - Journal of the …, 2002 - ACS Publications
The aminopeptidase from Aeromonas proteolytica (AAP) was titrated with copper, which
bound sequentially at two distinct sites. Both the mono-and disubstituted forms of AAP …

Mechanism of peptide hydrolysis by co-catalytic metal centers containing leucine aminopeptidase enzyme: a DFT approach

X Zhu, A Barman, M Ozbil, T Zhang, S Li… - JBIC Journal of …, 2012 - Springer
In this density functional theory study, reaction mechanisms of a co-catalytic binuclear metal
center (Zn1–Zn2) containing enzyme leucine aminopeptidase for two different metal …

Thioamide substrate probes of metal-substrate interactions in carboxypeptidase A catalysis

MD Bond, B Holmquist, BL Vallee - Journal of inorganic biochemistry, 1986 - Elsevier
Three thioamide peptides in which the oxygen atom of the scissile peptide bond is replaced
by sulfur (denoted by (= S)) were synthesized and found to be good, convenient substrates …

Theoretical insights into the functioning of metallopeptidases and their synthetic analogues

T Zhang, M Ozbil, A Barman, TJ Paul… - Accounts of chemical …, 2015 - ACS Publications
Conspectus The selective hydrolysis of a peptide or amide bond (−(O) C–NH−) by a
synthetic metallopeptidase is required in a wide range of biological, biotechnological, and …