| O31631 | METI_BACSU | Bacillus subtilis (strain 168) | metI yjcI BSU11870 | Detail |
| B8ZUM2 | METK_MYCLB | Mycobacterium leprae (strain Br4923) | metK MLBr00544 | Detail |
| Q1J1P4 | METK_DEIGD | Deinococcus geothermalis (strain DSM 11300) | metK Dgeo_0287 | Detail |
| P38954 | IPT1_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | IPT1 SYR4 YDR072C D4405 YD8554.05C | Detail |
| P26498 | METK_METTM | Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg) (Methanobacterium thermoautotrophicum) | mat metK MTBMA_c17630 | Detail |
| Q2U0S9 | MCD4_ASPOR | Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold) | mcd4 AO090011000320 | Detail |
| C5A0L1 | METK_ECOBW | Escherichia coli (strain K12 / MC4100 / BW2952) | metK BWG_2664 | Detail |
| Q84FD3 | METK_MYXXA | Myxococcus xanthus | metK | Detail |
| O84456 | ISPT_CHLTR | Chlamydia trachomatis (strain D/UW-3/Cx) | uppS CT_450 | Detail |
| Q12QA6 | METK_SHEDO | Shewanella denitrificans (strain OS217 / ATCC BAA-1090 / DSM 15013) | metK Sden_1082 | Detail |