Thiamine-phosphate diphosphorylase; Condenses 4-methyl-5-(beta-hydroxyethyl)thiazole monophosphate (THZ-P) and 2-methyl-4-amino-5-hydroxymethyl pyrimidine pyrophosphate (HMP-PP) to form thiamine monophosphate (TMP). Belongs to the thiamine-phosphate synthase family.

Phosphomethylpyrimidine synthase; Catalyzes the synthesis of the hydroxymethylpyrimidine phosphate (HMP-P) moiety of thiamine from aminoimidazole ribotide (AIR) in a radical S-adenosyl-L-methionine (SAM)-dependent reaction. Belongs to the ThiC family.

Alpha/beta hydrolase; Derived by automated computational analysis using gene prediction method: Protein Homology.

Thiazole synthase; Catalyzes the rearrangement of 1-deoxy-D-xylulose 5-phosphate (DXP) to produce the thiazole phosphate moiety of thiamine. Sulfur is provided by the thiocarboxylate moiety of the carrier protein ThiS. In vitro, sulfur can be provided by H(2)S.

Thiamine biosynthesis protein ThiS; With ThiF, ThiG, and ThiO catalyzes the formation of the thiazole moiety of thiamine pyrophosphate; Derived by automated computational analysis using gene prediction method: Protein Homology.

Thiamine-monophosphate kinase; Catalyzes the ATP-dependent phosphorylation of thiamine- monophosphate (TMP) to form thiamine-pyrophosphate (TPP), the active form of vitamin B1; Belongs to the thiamine-monophosphate kinase family.

Molybdopterin biosynthesis-like protein MoeZ; The proteins in this cluster have high sequence similarity to MoeB and are possibly involved in the synthesis of molybdopterin, but there has been no biochemical or physiological characterization. There is also no genetic linkage to other molybdopterin cofactor synthesis proteins. These proteins are similar to a Pseudomonas stutzeri protein which is essential to pyridine-2,6-bis(thiocarboxylic acid) synthesis that possibly activates a substrate by adenylation; Derived by automated computational analysis using gene prediction method: Protein [...]

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.

Glutamine amidotransferase; 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.