NCIt definition : A family of proteins whose members are involved in glycolysis. This family is comprised
of three isozymes that are either homodimers or heterodimers of phosphoglycerate mutase
1 and 2. These enzymes have multiple reversible isomerase and phosphatase activities.
During glycolysis these enzymes can interconvert 3-phosphoglycerate to 2-phosphoglycerate
through a 2,3-bisphosphoglycerate intermediate.;