M1 aminopeptidases as drug targets: broad applications or therapeutic niche?

N Drinkwater, J Lee, W Yang, TR Malcolm… - The FEBS …, 2017 - Wiley Online Library
M1 aminopeptidase enzymes are a diverse family of metalloenzymes characterized by
conserved structure and reaction specificity. Excluding viruses, M1 aminopeptidases are …

The structural basis of bacterial manganese import

…, AP McGrath, AJ Hayes, TR Malcolm… - Science …, 2021 - science.org
Metal ions are essential for all forms of life. In prokaryotes, ATP-binding cassette (ABC)
permeases serve as the primary import pathway for many micronutrients including the first-row …

Human Tim8a, Tim8b and Tim13 are auxiliary assembly factors of mature Complex IV

AJ Anderson, JJ Crameri, CS Ang, TR Malcolm… - EMBO …, 2023 - embopress.org
Human Tim8a and Tim8b are paralogous intermembrane space proteins of the small TIM
chaperone family. Yeast small TIMs function in the trafficking of proteins to the outer and inner …

Hydroxamic Acid Inhibitors Provide Cross-Species Inhibition of Plasmodium M1 and M17 Aminopeptidases

NB Vinh, N Drinkwater, TR Malcolm… - Journal of medicinal …, 2018 - ACS Publications
There is an urgent clinical need for antimalarial compounds that target malaria caused by
both Plasmodium falciparum and Plasmodium vivax. The M1 and M17 metalloexopeptidases …

Biochemical Characterization of Caenorhabditis elegans Ferritins

SSM Mubarak, TR Malcolm, HG Brown, E Hanssen… - Biochemistry, 2023 - ACS Publications
The nematode Caenorhabditis elegans contains genes for two types of ferritin (ftn-1 and ftn-2)
that express FTN-1 and FTN-2. We have expressed and purified both proteins and …

Genetic and chemical validation of Plasmodium falciparum aminopeptidase PfA-M17 as a drug target in the hemoglobin digestion pathway

RCS Edgar, G Siddiqui, K Hjerrild, TR Malcolm… - Elife, 2022 - elifesciences.org
Plasmodium falciparum, the causative agent of malaria, remains a global health threat as
parasites continue to develop resistance to antimalarial drugs used throughout the world. …

M17 aminopeptidases diversify function by moderating their macromolecular assemblies and active site environment

N Drinkwater, TR Malcolm, S McGowan - Biochimie, 2019 - Elsevier
The family of M17 aminopeptidases (alias ‘leucine aminopeptidases’, M17-LAPs) utilize a
highly conserved hexameric structure and a binuclear metal center to selectively remove N-…

Mapping the substrate specificity of the Plasmodium M1 and M17 aminopeptidases

TR Malcolm, KW Swiderska, BK Hayes… - Biochemical …, 2021 - portlandpress.com
During malarial infection, Plasmodium parasites digest human hemoglobin to obtain free
amino acids for protein production and maintenance of osmotic pressure. The Plasmodium M1 …

Structure-based development of potent Plasmodium falciparum M1 and M17 aminopeptidase selective and dual inhibitors via S1′-region optimisation

PPS Calic, NB Vinh, CT Webb, TR Malcolm… - European Journal of …, 2023 - Elsevier
Malaria remains a global health threat and growing resistance to artemisinin-based therapies
calls for therapeutic agents with novel mechanisms of action. The Plasmodium spp M1 and …

[HTML][HTML] A metal ion–dependent conformational switch modulates activity of the Plasmodium M17 aminopeptidase

…, BK Hayes, KK Sivaraman, TR Malcolm… - Journal of Biological …, 2022 - ASBMB
The metal-dependent M17 aminopeptidases are conserved throughout all kingdoms of life.
This large enzyme family is characterized by a conserved binuclear metal center and a …