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. 2011 Apr 29;6(4):e18783. doi: 10.1371/journal.pone.0018783

Figure 3. Thiamine biosynthesis pathway in L. reuteri ATCC 55730 and ATCC PTA 6475.

Figure 3

The thiamine synthesis pathway is predicted to be complete in strain 55730 only. Metabolic reactions present in both strains 55730 and 6475 are highlighted in dark grey. Metabolic reactions present only in L. reuteri ATCC 55730 are highlighted in black. 2mahmp: 2-methyl-4-amino-5-hydroxymethylpyrimidine diphosphate; 4ahmmp: 4-amino-5-hydroxymethyl-2-methylpyrimidine; 4ampm: 4-amino-2-methyl-5-phosphomethylpyrimidine; 4mhetz: 4-methyl-5-(2-hydroxyethyl)-thiazole; 4mpetz: 4-methyl-5-(2-phosphoethyl)-thiazole; AHMMPS: 4-amino-5-hydroxymethyl-2-methylpyrimidine synthetase; air: 5-amino-1-(5-phospho-D-ribosyl)imidazole; DXPS: 1-deoxy-D-xylulose 5-phosphate synthase; dxyl5p: 1-deoxy-D-xylulose 5-phosphate; g3p: glyceraldehyde 3-phosphate; gcald: glycolaldehyde; gly: glycine; HETZK: hydroxyethylthiazole kinase; HMPK1: hydroxymethylpyrimidine kinase (ATP); MCOOH: MPT synthase small subunit MoaD; MCOSH: MPT synthase sulfurylated small subunit (MoaD-SH); MOADCST: MoaD:cysteine sulfur transferase; PMPK: phosphomethylpyrimidine kinase; pyr; pyruvate; thm: thiamine; thm[e]: thiamine (extracellular); THMabc: thiamine transport via ABC system; thmmp: thiamine monophosphate; thmpp: thiamine diphosphate; THZPSN2: thiazole phosphate synthesis; TMDPK: thiamine diphosphokinase; TMPKr: thiamine-phosphate kinase; TMPPP: thiamine-phosphate diphosphorylase. The red boxes depict compound that can be incorporated in biomass.