| A4T0F0 | METK_POLAQ | Polynucleobacter asymbioticus (strain DSM 18221 / CIP 109841 / QLW-P1DMWA-1) (Polynucleobacter necessarius subsp. asymbioticus) | metK Pnuc_2003 | Detail |
| Q4H1G3 | METK2_BETVU | Beta vulgaris (Sugar beet) | SAMS2 | Detail |
| Q7V5A2 | METK_PROMM | Prochlorococcus marinus (strain MIT 9313) | metK PMT_1670 | Detail |
| A4XPF8 | METK_PSEMY | Pseudomonas mendocina (strain ymp) | metK Pmen_0454 | Detail |
| Q3THS6 | METK2_MOUSE | Mus musculus (Mouse) | Mat2a | Detail |
| O59488 | METK_PYRHO | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | mat PH1824 | Detail |
| Q732P6 | ISPT_BACC1 | Bacillus cereus (strain ATCC 10987 / NRS 248) | uppS BCE_3864 | Detail |
| Q8G7Y3 | ISPT_BIFLO | Bifidobacterium longum (strain NCC 2705) | uppS BL0101 | Detail |
| Q57CY1 | ISPT_BRUAB | Brucella abortus biovar 1 (strain 9-941) | uppS BruAb1_1164 | Detail |
| A5ITV6 | METK_STAA9 | Staphylococcus aureus (strain JH9) | metK SaurJH9_1841 | Detail |