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Characterization of the ATP4 ion pump in Toxoplasma gondii

Lehane, Adele; Dennis, Adelaide; Bray, Katherine; Li, Dongdi; Rajendran, Esther; McCoy, James M.; Mcarthur, Hillary; Winterberg, Markus; Rahimi, Ahmed (Farid); Tonkin, Christopher J.; Kirk, Kiaran; van Dooren, Giel

Description

The Plasmodium falciparum ATPase PfATP4 is the target of a diverse range of antimalarial compounds, including the clinical drug candidate cipargamin. PfATP4 was originally annotated as a Ca2+ transporter, but recent evidence suggests that it is a Na+ efflux pump, extruding Na+ in exchange for H+. Here we demonstrate that ATP4 proteins belong to a clade of P-type ATPases that are restricted to apicomplexans and their closest relatives. We employed a variety of genetic and physiological...[Show more]

CollectionsANU Research Publications
Date published: 2019-02-05
Type: Journal article
URI: http://hdl.handle.net/1885/196744
Source: Journal of Biological Chemistry
DOI: 10.1074/jbc.RA118.006706
Access Rights: Open Access

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