aequorin

ae·quo·rin

(ē'kwō-rin),

A luminescent protein isolated from the jellyfish Aequorea that emits blue light in the presence of even minute amounts of calcium ion; injected intracellularly, it is used to measure free calcium ion transients within cells.
See also: fura-2, quin-2.

aequorin

(ē-kwôr′ĭn, ē-kwŏr′-)

n.

A protein secreted by certain bioluminescent jellyfish, used as a reagent in molecular biology to detect calcium concentrations inside cells.

ae·quo·rin

(ē-kwōr'in)

A luminescent protein isolated from the jellyfish Aequorea, which emits blue light in the presence of even minute amounts of calcium ion; injected intracellularly, it is used to measure free calcium ion transients within cells.
See also: fura-2