This page is part of IGNs Call of Duty: Black Ops Cold War Wiki guide, which contains a detailed list of all 13 playable Operators, along with a short guide on how to unlock each of the characters.

Crystal structures of the Lac repressor, with and without isopropylthiogalactoside (IPTG), and the repressor bound to operator have provided a model for how the binding of the inducer reduces the ...