Therefore , Cavalier - Smith proposes that these shared domains could have originated in obcells to bind to pyrophosphate .
In modern cells , glucokinases typically have two different phosphate - binding domains , mainly containing the amino acids glycine , threonine , and aspartate .
Cavalier - Smith proposes that these shared domains could have originated in obcells to bind to pyrophosphate .
In modern cells , glucokinases typically have two different phosphate - binding domains , mainly containing the amino acids glycine , threonine , and aspartate .