ID 4.1.2.55 DE 2-dehydro-3-deoxy-phosphogluconate/2-dehydro-3-deoxy-6-phosphogalactonate DE aldolase. AN 2-keto-3-deoxygluconate aldolase. CA (1) 2-dehydro-3-deoxy-6-phospho-D-gluconate = D-glyceraldehyde CA 3-phosphate + pyruvate. CA (2) 2-dehydro-3-deoxy-6-phospho-D-galactonate = D-glyceraldehyde CA 3-phosphate + pyruvate. CC -!- In the archaeon Sulfolobus solfataricus the enzyme is involved in CC glucose and galactose catabolism via the branched variant of the CC Entner-Doudoroff pathway. CC -!- It utilizes 2-dehydro-3-deoxy-6-phosphate-D-gluconate and 2-dehydro- CC 3-deoxy-6-phosphate-D-galactonate with similar catalytic efficiency. CC -!- In vitro the enzyme can also catalyze the cleavage of the non- CC phosphorylated forms 2-dehydro-3-deoxy-D-gluconate and 2-dehydro-3- CC deoxy-D-galactonate with much lower catalytic efficiency. cf. CC EC 4.1.2.14 and EC 4.1.2.21. DR Q97U28, KDGA_SACS2 ; O54288, KDGA_SACSO ; Q4JC35, KDGA_SULAC ; DR F9VPG1, KDGA_SULTO ; //