Hexokinase (EC:2.7.1.1) contains two structurally similar domains represented by this family and Pfam:PF00349. Some members of the family have two copies of each of these domains.

1: Structure of a complex between yeast hexokinase A and glucose. II. Detailed comparisons of conformation and active site configuration with the native hexokinase B monomer and dimer. Bennett WS Jr, Steitz TA; J Mol Biol 1980;140:211-230. PMID:7001032

2: Structure of yeast hexokinase-B. I. Preliminary x-ray studies and subunit structure. Steitz TA; J Mol Biol 1971;61:695-700. PMID:5133118