2,3-Bisphosphoglycerate-independent phosphoglycerate mutase (EC 220.127.116.11) was purified and characterized from maize. SDS electrophoresis showed only one band with a molecular mass of 64 kDa, similar to that determined for the native enzyme by gel-filtration chromatography. The kinetic constants were similar to those reported for wheat germ phosphoglycerate mutase. Rabbit antiserum against maize phosphoglycerate mutase possesses a high degree of specificity. It also reacts with the wheat germ enzyme but fails to react with other cofactor-independent or cofactor-dependent phosphoglycerate mutases. Cell-free synthesis experiments indicate that phosphoglycerate mutase from maize is not post-translationally modified.
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- GriP mutase
Phosphoglycerate mutase (EC 18.104.22.168)