Table 1. Amino acid substitutions observed in Pneumocystis jiroveciia.
DHPS genotype | Amino acid position 55 | Amino acid position 57 |
---|---|---|
Wild-type | ||
1 | Threonine | Proline |
Mutant | ||
2 | Alanine | Proline |
3 | Threonine | Serine |
4 (double mutant) | Alanine | Serine |
Mixed | ||
5 | Threonine | Proline/serine |
6 | Threonine/alanine | Proline/serine |
7 | Threonine/alanine | Proline |
8 | Alanine | Proline/serine |
aDHPS, dihydropteroate synthase.