| P0A8L1 | SYS_ECOLI | Escherichia coli (strain K12) | serS b0893 JW0876 | Detail |
| B3DQG7 | SYS_BIFLD | Bifidobacterium longum (strain DJO10A) | serS BLD_1760 | Detail |
| Q8PYJ6 | SYS_METMA | Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) (Methanosarcina frisia) | serS MM_0865 | Detail |
| Q0HV57 | SYS_SHESR | Shewanella sp. (strain MR-7) | serS Shewmr7_2009 | Detail |
| Q2FKP7 | SYS_STAA3 | Staphylococcus aureus (strain USA300) | serS SAUSA300_0009 | Detail |
| A8YYT2 | SYS_STAAT | Staphylococcus aureus (strain USA300 / TCH1516) | serS USA300HOU_0009 | Detail |
| A8AYV0 | SYS_STRGC | Streptococcus gordonii (strain Challis / ATCC 35105 / BCRC 15272 / CH1 / DL1 / V288) | serS SGO_1683 | Detail |
| Q970Y4 | SYS_SULTO | Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7) (Sulfolobus tokodaii) | serS STK_14690 | Detail |
| Q8YQ59 | SYS_NOSS1 | Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) | serS all3976 | Detail |
| Q3JCA2 | SYS_NITOC | Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107) | serS Noc_1036 | Detail |