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pdxT | Glutamine amidotransferase subunit pdxT; Catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the biosynthesis of pyridoxal 5'-phosphate. The resulting ammonia molecule is channeled to the active site of PdxS. (191 aa) | ||||
pdxK | Pyridoxine kinase; Belongs to the pyridoxine kinase family. (273 aa) | ||||
mgsA | Methylglyoxal synthase; Catalyzes the formation of methylglyoxal from dihydroxyacetone phosphate. (131 aa) | ||||
pdxS | Pyridoxal biosynthesis lyase pdxS; Catalyzes the formation of pyridoxal 5'-phosphate from ribose 5-phosphate (RBP), glyceraldehyde 3-phosphate (G3P) and ammonia. The ammonia is provided by the PdxT subunit. Can also use ribulose 5- phosphate and dihydroxyacetone phosphate as substrates, resulting from enzyme-catalyzed isomerization of RBP and G3P, respectively. Belongs to the PdxS/SNZ family. (294 aa) |