He was tickled to receive such a wonderful gift.

The protein ligand is unfolded in denaturant in which all labile hydrogen atoms are preexchanged for deuterium and added to a D2O solution containing GroEL (method described in detail in ref. 28).

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[…] hair ornamented with a bandeau of gold on one side of the forehead, with a large pearl in the centre of the bandeau; on the opposite side is a plat of hair.