The region of IKK- containing the leucine zipper-like motif was required both for homodimerization of IKK- and for formation of heterodimers with IKK-, whereas the putative helix-loop-helix region was dispensible.

The United States is a republic; the United Kingdom of Great Britain and Northern Ireland is a constitutional monarchy.

The aircraft is spotted on the catapult, and the console operator turns the crank to FIRST READY, causing the exhaust valve to close.

They have detector zones, 'way out in space[.]