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

PFID PFID Old Formal Annotation GeneDB PlasmoDB Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1235200 PFL1700c V-type K+-independent H+-translocating inorganic pyrophosphatase GeneDB PlasmoDB
PF3D7_1456800 PF14_0541 V-type H(+)-translocating pyrophosphatase, putative GeneDB PlasmoDB
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System