| Q2FN14 | METK_METHJ | Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1) | mat Mhun_0923 | Detail |
| B2I898 | METK_XYLF2 | Xylella fastidiosa (strain M23) | metK XfasM23_1771 | Detail |
| B4ULF7 | METK_ANASK | Anaeromyxobacter sp. (strain K) | metK AnaeK_0161 | Detail |
| Q83HN8 | ISPT2_TROW8 | Tropheryma whipplei (strain TW08/27) (Whipple's bacillus) | uppS2 TW486 | Detail |
| B4SK03 | METK_STRM5 | Stenotrophomonas maltophilia (strain R551-3) | metK Smal_0630 | Detail |
| B2INE5 | METK_STRPS | Streptococcus pneumoniae (strain CGSP14) | metK SPCG_0712 | Detail |
| Q72I53 | METK_THET2 | Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039) | metK TT_C1279 | Detail |
| B2S433 | METK_TREPS | Treponema pallidum subsp. pallidum (strain SS14) | metK TPASS_0794 | Detail |
| P31153 | METK2_HUMAN | Homo sapiens (Human) | MAT2A AMS2 MATA2 | Detail |
| A9PDZ7 | METK2_POPTR | Populus trichocarpa (Western balsam poplar) (Populus balsamifera subsp. trichocarpa) | METK2 POPTR_0013s00550g | Detail |