. "\"Any process that activates or increases the frequency, rate or extent of calcium ion transmembrane transporter activity.\" [GOC:BHF, GOC:TermGenie]" . . "positive regulation of calcium ion transmembrane transporter activity" . "up regulation of calcium ion transmembrane transporter activity" . "up-regulation of calcium ion transmembrane transporter activity" . "upregulation of calcium ion transmembrane transporter activity" . . . "activation of calcium ion transmembrane transporter activity" .