| A1RGF7 | CYSD_SHESW | Shewanella sp. (strain W3-18-1) | cysD Sputw3181_0902 | Detail |
| Q2NVM9 | CYSD_SODGM | Sodalis glossinidius (strain morsitans) | cysD SG0521 | Detail |
| Q0T1I3 | CYSD_SHIF8 | Shigella flexneri serotype 5b (strain 8401) | cysD SFV_2746 | Detail |
| Q87SY0 | CYSD_VIBPA | Vibrio parahaemolyticus serotype O3:K6 (strain RIMD 2210633) | cysD VP0292 | Detail |
| Q9KP19 | CYSD_VIBCH | Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) | cysD VC_2560 | Detail |
| Q9K8X1 | AATNT_BACHD | Bacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125) | BH2881 | Detail |
| Q6XGD5 | CDNE_ECOLX | Escherichia coli | cdnE | Detail |
| Q57FI5 | CYSD_BRUAB | Brucella abortus biovar 1 (strain 9-941) | cysD BruAb1_0188 | Detail |
| Q02GZ8 | CYSD_PSEAB | Pseudomonas aeruginosa (strain UCBPP-PA14) | cysD PA14_57720 | Detail |
| B5Z3B3 | CYSN_ECO5E | Escherichia coli O157:H7 (strain EC4115 / EHEC) | cysN ECH74115_4003 | Detail |