And this is such a fundamental core domain of technology, exactly as this anonymous listener suggests, that I think he's right.
All ABC transport proteins share a structural organization consisting of four core domains.
Information retrieved from experiments with chimeric integrases show that recognition of the target site is controlled by the core domain.
The core domain is approximately 150 amino acid residues grouped in six repeats.
Regardless of the culture a baby is born into, they are born with a few core domains of knowledge.
The 'histone fold' is a three-helix core domain that is connected by two loops.
The core domain binds to the membrane and to cargo destined for internalisation.
Placing the project's primary focus on the core domain and domain logic.
There are instances of the core globular domains of histones being methylated as well.
In the past, of course, building regulations were, to some extent, a core domain of national autonomy.