ID 4.1.2.n5 DE 2-amino-3,7-dideoxy-D-threo-hept-6-ulosonate synthase. AN ADH synthase. CA L-aspartate 4-semialdehyde + 1-deoxy-D-threo-hexo-2,5-diulose 6-phosphate CA = 2-amino-2,3,7-trideoxy-D-lyxo-hept-6-ulosonate + hydroxypyruvaldehyde CA phosphate. CC -!- The enzyme plays a key role in an alternative pathway of the CC biosynthesis of 3-dehydroquinate (DHQ), which is involved in the CC canonical pathway for the biosynthesis of aromatic amino acids. CC -!- The enzyme can also catalyze the cleavage of fructose-1,6- CC bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone CC phosphate. DR A6UTT2, ADHS_META3 ; Q57843, ADHS_METJA ; A4FYB3, ADHS_METM5 ; DR A9A799, ADHS_METM6 ; A6VJZ0, ADHS_METM7 ; Q6LZE3, ADHS_METMP ; DR A6USC8, ADHS_METVS ; //