| B2VH20 | KHSE_ERWT9 | Erwinia tasmaniensis (strain DSM 17950 / CIP 109463 / Et1/99) | thrB ETA_06990 | Detail |
| Q6CW36 | MCD4_KLULA | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica) | MCD4 KLLA0B07249g | Detail |
| Q7SAP1 | MCD4_NEUCR | Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) | mcd-4 B2N18.290 NCU07999 | Detail |
| B1HYT4 | KHSE_LYSSC | Lysinibacillus sphaericus (strain C3-41) | thrB Bsph_4350 | Detail |
| Q0SWM0 | KPTA_CLOPS | Clostridium perfringens (strain SM101 / Type A) | kptA CPR_0143 | Detail |
| B3EL38 | KHSE_CHLPB | Chlorobium phaeobacteroides (strain BS1) | thrB Cphamn1_0296 | Detail |
| B1LDT4 | KPTA_ECOSM | Escherichia coli (strain SMS-3-5 / SECEC) | kptA EcSMS35_4875 | Detail |
| B1ILR0 | KHSE_CLOBK | Clostridium botulinum (strain Okra / Type B1) | thrB CLD_2916 | Detail |
| P57718 | KPTA_THEAC | Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165) | kptA Ta0118 | Detail |
| Q9YA72 | KHSE_AERPE | Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1) | thrB APE_2067.1 | Detail |