Biophysical studies of engineered mutant proteins based on calbindin D9k modified in the pseudo EF-hand.

Abstract excerpt

The genes for four mutant proteins from calbindin D9k, all with mutations in the N-terminal Ca2+-binding domain (pseudo EF-hand) have been synthesized and expressed in Escherichia coli. The purification scheme has been modified to minimize the formation of deamidated proteins. The set of modifications in the pseudo EF-hand is an attempt to turn this site into a structure resembling an archetypal EF-hand, with its...

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