| Q3J7R5 | METK_NITOC | Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107) | metK Noc_2678 | Detail |
| Q1QJR5 | METK_NITHX | Nitrobacter hamburgensis (strain DSM 10229 / NCIMB 13809 / X14) | metK Nham_2753 | Detail |
| Q5YTN0 | METK_NOCFA | Nocardia farcinica (strain IFM 10152) | metK NFA_36130 | Detail |
| P50301 | METK1_ACTCC | Actinidia chinensis var. chinensis (Chinese soft-hair kiwi) | SAM1 CEY00_Acc20465 | Detail |
| B2IUI4 | METK_NOSP7 | Nostoc punctiforme (strain ATCC 29133 / PCC 73102) | metK Npun_F2753 | Detail |
| Q2GBP1 | METK_NOVAD | Novosphingobium aromaticivorans (strain ATCC 700278 / DSM 12444 / CIP 105152 / NBRC 16084 / F199) | metK Saro_0284 | Detail |
| Q00VB2 | METK_OSTTA | Ostreococcus tauri | METK Ot15g00960 | Detail |
| P49611 | METK1_BRAJU | Brassica juncea (Indian mustard) (Sinapis juncea) | SAMS1 | Detail |
| Q9ZK05 | ISPT_HELPJ | Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99) | uppS jhp_1142 | Detail |
| Q1RII8 | ISPT_RICBR | Rickettsia bellii (strain RML369-C) | uppS RBE_0745 | Detail |