| A1AEV0 | CYSJ_ECOK1 | Escherichia coli O1:K1 / APEC | cysJ Ecok1_26960 APECO1_3768 | Detail |
| B8NR71 | DTPC_ASPFN | Aspergillus flavus (strain ATCC 200026 / FGSC A1120 / NRRL 3357 / JCM 12722 / SRRC 167) | dtpC AFLA_005460 | Detail |
| B5FGI9 | CYSI_ALIFM | Aliivibrio fischeri (strain MJ11) (Vibrio fischeri) | cysI VFMJ11_0298 | Detail |
| Q493N3 | CYSI_BLOPB | Blochmannia pennsylvanicus (strain BPEN) | cysI BPEN_164 | Detail |
| A8FDY3 | CYSI_BACP2 | Bacillus pumilus (strain SAFR-032) | cysI BPUM_1778 | Detail |
| A3KPR5 | CYAC3_DANRE | Danio rerio (Zebrafish) (Brachydanio rerio) | cyb561a3 cybasc3 si:dkeyp-38h2.4 | Detail |
| A9MF16 | CYSJ_SALAR | Salmonella arizonae (strain ATCC BAA-731 / CDC346-86 / RSK2980) | cysJ SARI_00014 | Detail |
| B7MYR1 | CYSI_ECO81 | Escherichia coli O81 (strain ED1a) | cysI ECED1_3212 | Detail |
| P43561 | FET5_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | FET5 YFL041W | Detail |