| Protein | Synonyms | Taxonomy |
|---|
| Hydroxymethylpyrimidine/phosphomethylpyrimidine kinase THI20 | EC 2.7.1.49; EC 2.7.4.7; Hydroxymethylpyrimidine kinase; HMP kinase; Hydroxymethylpyrimidine phosphate kinase; HMP-P kinase; HMP-phosphate kinase; HMPP kinase | Saccharomyces cerevisiae S288C |
| Aminopyrimidine aminohydrolase | EC 3.5.99.2; 4-amino-5-aminomethyl-2-methylpyrimidine hydrolase; Thiaminase II | Bacillus subtilis subsp. subtilis str. 168 |
| N-formyl-4-amino-5-aminomethyl-2-methylpyrimidine deformylase | Formylaminopyrimidine deformylase; EC 3.5.1.-; Amidohydrolase YlmB | Halalkalibacterium halodurans C-125 |