| B3EMN5 | SYL_CHLPB | Chlorobium phaeobacteroides (strain BS1) | leuS Cphamn1_0551 | Detail |
| B8GW27 | SYL_CAUVN | Caulobacter vibrioides (strain NA1000 / CB15N) (Caulobacter crescentus) | leuS CCNA_03865 | Detail |
| Q3AF30 | SYL_CARHZ | Carboxydothermus hydrogenoformans (strain ATCC BAA-161 / DSM 6008 / Z-2901) | leuS CHY_0393 | Detail |
| Q8VDC0 | SYLM_MOUSE | Mus musculus (Mouse) | Lars2 | Detail |
| Q1MFI6 | SYL1_RHIL3 | Rhizobium leguminosarum bv. viciae (strain 3841) | leuS1 RL2798 | Detail |
| Q23MT7 | TTL6A_TETTS | Tetrahymena thermophila (strain SB210) | Ttll6a TTHERM_00284020 | Detail |
| Q608N7 | SYL_METCA | Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath) | leuS MCA1453 | Detail |
| Q2SRI9 | SYL_MYCCT | Mycoplasma capricolum subsp. capricolum (strain California kid / ATCC 27343 / NCTC 10154) | leuS MCAP_0659 | Detail |
| P47508 | SYL_MYCGE | Mycoplasma genitalium (strain ATCC 33530 / G-37 / NCTC 10195) | leuS MG266 | Detail |
| A6USJ5 | SYL_METVS | Methanococcus vannielii (strain ATCC 35089 / DSM 1224 / JCM 13029 / OCM 148 / SB) | leuS Mevan_1575 | Detail |