| B2IEE1 | SYC_BEII9 | Beijerinckia indica subsp. indica (strain ATCC 9039 / DSM 1715 / NCIB 8712) | cysS Bind_1915 | Detail |
| Q8F525 | SYC_LEPIN | Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai (strain 56601) | cysS LA_1863 | Detail |
| B2GFS8 | SYC_KOCRD | Kocuria rhizophila (strain ATCC 9341 / DSM 348 / NBRC 103217 / DC2201) | cysS KRH_18690 | Detail |
| A5FYD2 | SYC_ACICJ | Acidiphilium cryptum (strain JF-5) | cysS Acry_1404 | Detail |
| P57990 | SYC_MYCLE | Mycobacterium leprae (strain TN) | cysS cysS1 ML0323 | Detail |
| Q057D6 | SYC_BUCCC | Buchnera aphidicola subsp. Cinara cedri (strain Cc) | cysS BCc_306 | Detail |
| Q045X8 | SYC_LACGA | Lactobacillus gasseri (strain ATCC 33323 / DSM 20243 / JCM 1131 / NCIMB 11718 / AM63) | cysS LGAS_0338 | Detail |
| Q5FM34 | SYC_LACAC | Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM) | cysS LBA0348 | Detail |
| A5U8Q5 | SYC_MYCTA | Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra) | cysS MRA_3619 | Detail |
| B6JHT8 | SYC_OLICO | Oligotropha carboxidovorans (strain ATCC 49405 / DSM 1227 / KCTC 32145 / OM5) | cysS OCAR_6519 OCA5_c15400 | Detail |