. "Any process that stops, prevents, or reduces the frequency, rate or extent of the binding or confining calcium ions such that they are separated from other components of a biological system." . . . "negative regulation of sequestering of calcium ion" . "down regulation of sequestering of calcium ion" . "down-regulation of sequestering of calcium ion" . "downregulation of sequestering of calcium ion" . "inhibition of sequestering of calcium ion" . "negative regulation of calcium ion (Ca2+) retention" . "negative regulation of calcium ion (Ca2+) sequestering" . "negative regulation of calcium ion (Ca2+) sequestration" . "negative regulation of calcium ion (Ca2+) storage" . "negative regulation of retention of calcium ion (Ca2+)" . "negative regulation of sequestering of calcium ion (Ca2+)" . "negative regulation of sequestration of calcium ion (Ca2+)" . "negative regulation of storage of calcium ion (Ca2+)" . . . .