| B1VF43 | METXA_CORU7 | Corynebacterium urealyticum (strain ATCC 43042 / DSM 7109) | metXA cu0422 | Detail |
| D3E3E4 | METXA_METRM | Methanobrevibacter ruminantium (strain ATCC 35063 / DSM 1093 / JCM 13430 / OCM 146 / M1) (Methanobacterium ruminantium) | metXA metX2 mru_1205 | Detail |
| Q9CEC5 | METAA_LACLA | Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis) | metAA metA LL1918 L0101 | Detail |
| A6UNL1 | METXA_METVS | Methanococcus vannielii (strain ATCC 35089 / DSM 1224 / JCM 13029 / OCM 148 / SB) | metXA Mevan_0172 | Detail |
| B3PRW0 | METAA_RHIE6 | Rhizobium etli (strain CIAT 652) | metAA RHECIAT_CH0004322 | Detail |
| A1KP32 | METXA_MYCBP | Mycobacterium bovis (strain BCG / Pasteur 1173P2) | metXA BCG_3411 | Detail |
| Q1MAE9 | METAA_RHIL3 | Rhizobium leguminosarum bv. viciae (strain 3841) | metAA RL4606 | Detail |
| A0QSZ0 | METXA_MYCS2 | Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (Mycobacterium smegmatis) | metXA MSMEG_1651 MSMEI_1613 | Detail |
| Q2RP84 | METXA_RHORT | Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1) | metXA Rru_A3266 | Detail |
| Q3T1J2 | MBOA2_RAT | Rattus norvegicus (Rat) | Mboat2 Oact2 | Detail |