Peptide bond formation mediated by substrate mimetics: Structure‐guided optimization of trypsin for synthesis

R Grünberg, I Domgall, R Günther… - European Journal of …, 2000 - Wiley Online Library
Substrate mimetics are excellent tools for protease‐mediated peptide synthesis that enable
the coupling of peptides independently of the primary specificity of the enzyme without …

Engineering the oxyanion hole of trypsin for promoting the reverse of proteolysis

L Franke, S Liebscher, F Bordusa - Journal of Peptide Science, 2014 - Wiley Online Library
Although proteases are capable of synthesizing peptide bonds via the reverse of proteolysis,
they are not proficient at peptide fragment ligation. Further manipulations are needed to shift …

Enzymatic coupling of specific peptides at nonspecific ligation sites: effect of Asp189Glu mutation in trypsin on substrate mimetic-mediated reactions

S Xu, K Rall, F Bordusa - The Journal of Organic Chemistry, 2001 - ACS Publications
Two main drawbacks seriously restrict the synthetic value of proteases as reagents in
peptide fragment coupling:(i) native proteolytic activity and, thus, risk of undesired peptide …

The first semi-synthetic serine protease made by native chemical ligation

G Pál, F Santamaria, AA Kossiakoff, W Lu - Protein expression and …, 2003 - Elsevier
Selective incorporation of non-natural amino acid residues into proteins is a powerful
approach to delineate structure–function relationships. Although many methodologies are …

Substrate mimetics in protease catalysis: characteristics, kinetics, and synthetic utility

F Bordusa - Current Protein and Peptide Science, 2002 - ingentaconnect.com
This article reviews the latest developments in protease-catalyzed peptide synthesis
focusing on the use of substrate mimetics. The substrate mimetics approach takes …

[HTML][HTML] Nonconventional amide bond formation catalysis: programming enzyme specificity with substrate mimetics

F Bordusa - Brazilian Journal of Medical and Biological Research, 2000 - SciELO Brasil
This article reports on the design and characteristics of substrate mimetics in protease-
catalyzed reactions. Firstly, the basis of protease-catalyzed peptide synthesis and the …

Papain‐Catalyzed Peptide Bond Formation: Enzyme‐Specific Activation with Guanidinophenyl Esters

RJAC de Beer, B Zarzycka… - …, 2011 - Wiley Online Library
The substrate mimetics approach is a versatile method for small‐scale enzymatic peptide‐
bond synthesis in aqueous systems. The protease‐recognized amino acid side chain is …

[HTML][HTML] Revisiting catalysis by chymotrypsin family serine proteases using peptide substrates and inhibitors with unnatural main chains

GS Coombs, MS Rao, AJ Olson, PE Dawson… - Journal of biological …, 1999 - ASBMB
Chymotrypsin family serine proteases play essential roles in key biological and pathological
processes and are frequently targets of drug discovery efforts. This large enzyme family is …

Identification of substrate-analog trypsin inhibitors through the screening of synthetic peptide combinatorial libraries

J Eichler, RA Houghten - Biochemistry, 1993 - ACS Publications
Identification of substrate-analog trypsin inhibitors through the screening of synthetic
peptide combinatorial libraries Page 1 Biochemistry 1993, 32, 11035-11041 11035 …

Contribution of an imidazole-indole stack to high catalytic potency of a lysine-specific serine protease, Achromobacter protease I

K Shiraki, S Norioka, S Li… - The journal of …, 2002 - academic.oup.com
Achromobacter protease I (API), a lysine-specific serine-protease of the trypsin family, has
an aromatic-ring stacking Trp 169-His 210 in close proximity to the reactive site. In order to …