FUNCTION : INTERCONVERSION OF 3- AND 2-PHOSPHOGLYCERATE WITH 2,3-BISPHOSPHOGLYCERATE AS THE PRIMER OF THE REACTION. CAN ALSO CATALYSE THE REACTION OF EC 5.4.2.4 (SYNTHASE) AND EC 3.1.3.13 (PHOSPHATASE), BUT WITH A REDUCED ACTIVITY. CATALYTIC ACTIVITY : 2-phospho-D-glycerate + 2,3-diphosphoglycerate = 3-phospho-D-glycerate + 2,3-diphosphoglycerate. CATALYTIC ACTIVITY : 3-phospho-D-glyceroyl phosphate = 2,3-bisphospho-D-glycerate. CATALYTIC ACTIVITY : 2,3-diphosphoglycerate + H 2O = 3-phosphoglycerate + phosphate. SUBUNIT : Homodimer. TISSUE SPECIFICITY : In mammalian tissues there are two types of phosphoglycerate mutase isozymes: type-M in muscles and type-B in other tissues. SIMILARITY : BELONGS TO THE PHOSPHOGLYCERATE MUTASE FAMILY. BPG-DEPENDENT PGAM SUBFAMILY. |
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19-MAR-03
Last Update 20-Mar-03