You can find more information about H+-pump (PPi), V-type, K+-dependent using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1456800 PF14_0541 V-type H(+)-translocating pyrophosphatase, putative, VP1 PlasmoDB TDR
phenyl 5-(3,5-dimethylphenyl)isoxazole-3-carboxylate
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System