| Q4UY06 | CYSD_XANC8 | Xanthomonas campestris pv. campestris (strain 8004) | cysD XC_0993 | Detail |
| Q8PHD0 | CYSD_XANAC | Xanthomonas axonopodis pv. citri (strain 306) | cysD XAC3329 | Detail |
| P59740 | CYSD_SHIFL | Shigella flexneri | cysD SF2775 S2968 | Detail |
| A4SDU0 | CYSD_CHLPM | Chlorobium phaeovibrioides (strain DSM 265 / 1930) (Prosthecochloris vibrioformis (strain DSM 265)) | cysD Cvib_0630 | Detail |
| Q8EB09 | CYSD_SHEON | Shewanella oneidensis (strain MR-1) | cysD SO_3727 | Detail |
| B4F231 | CYSD_PROMH | Proteus mirabilis (strain HI4320) | cysD PMI2246 | Detail |
| Q8YEX2 | CYSD_BRUME | Brucella melitensis biotype 1 (strain 16M / ATCC 23456 / NCTC 10094) | cysD BMEI1755 | Detail |
| Q9KP20 | CYSN_VIBCH | Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) | cysN VC_2559 | Detail |
| C0PXB1 | CYSN_SALPC | Salmonella paratyphi C (strain RKS4594) | cysN SPC_2977 | Detail |
| Q50025 | CPSY_MYCLE | Mycobacterium leprae (strain TN) | cpsY ML2209 MLCB5.32c | Detail |