| P0CW63 | METK_METMP | Methanococcus maripaludis (strain S2 / LL) | mat MMP1640 | Detail |
| Q9ZEJ7 | ISPT_TRIV2 | Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis) | uppS Ava_0914 | Detail |
| Q1I3X6 | METK_PSEE4 | Pseudomonas entomophila (strain L48) | metK PSEEN5026 | Detail |
| P50306 | METK4_CAEEL | Caenorhabditis elegans | sams-4 C06E7.3 | Detail |
| A6QJH4 | FOSB_STAAE | Staphylococcus aureus (strain Newman) | fosB NWMN_2234 | Detail |
| Q9LIA0 | GGPPB_ARATH | Arabidopsis thaliana (Mouse-ear cress) | At3g29430 MUO10.10 | Detail |
| Q5L6U0 | ISPT_CHLAB | Chlamydia abortus (strain DSM 27085 / S26/3) (Chlamydophila abortus) | uppS CAB173 | Detail |
| B8IST7 | METK_METNO | Methylobacterium nodulans (strain LMG 21967 / CNCM I-2342 / ORS 2060) | metK Mnod_5908 | Detail |
| Q741G5 | METK_MYCPA | Mycolicibacterium paratuberculosis (strain ATCC BAA-968 / K-10) (Mycobacterium paratuberculosis) | metK MAP_1126 | Detail |
| Q6AQ43 | METK_DESPS | Desulfotalea psychrophila (strain LSv54 / DSM 12343) | metK DP0801 | Detail |