| Q9L0Y3 | METK_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | metK SCO1476 SCL6.33c | Detail |
| B1W470 | METK_STRGG | Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350) | metK SGR_6058 | Detail |
| Q1JGA1 | METK_STRPD | Streptococcus pyogenes serotype M2 (strain MGAS10270) | metK MGAS10270_Spy1178 | Detail |
| Q8DQH0 | METK_STRR6 | Streptococcus pneumoniae (strain ATCC BAA-255 / R6) | metK spr0671 | Detail |
| P40367 | GPI7_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | LAS21 GPI7 YJL062W HRC830 J1132 | Detail |
| P55218 | METZ_PSEAE | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) | metZ PA3107 | Detail |
| Q2RMS5 | METK2_RHORT | Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1) | metK2 Rru_A3776 | Detail |
| B1YC36 | METK_PYRNV | Pyrobaculum neutrophilum (strain DSM 2338 / JCM 9278 / V24Sta) (Thermoproteus neutrophilus) | mat Tneu_1975 | Detail |
| Q9YBK2 | METK_AERPE | Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1) | mat APE_1596 | Detail |
| B5F9T2 | METK_ALIFM | Aliivibrio fischeri (strain MJ11) (Vibrio fischeri) | metK VFMJ11_0439 | Detail |