Complex sentence: Several sequences and the three-dimensional structure of the key active sites--the ATP binding domain, for example,--are shared with hexokinases, bacterial glucokinases, and other proteins, and the common structure is termed an "actin fold".
Split into simpler sentences: Several sequences and the three-dimensional structure of the key active sites. The ATP binding domain, for example, are shared with hexokinases, bacterial glucokinases, and other proteins, and the common structure is termed an "actin fold".