| B8CJV9 | CYSI_SHEPW | Shewanella piezotolerans (strain WP3 / JCM 13877) | cysI swp_0853 | Detail |
| A4DA85 | ENCC_ASPFU | Neosartorya fumigata (strain ATCC MYA-4609 / Af293 / CBS 101355 / FGSC A1100) (Aspergillus fumigatus) | encC AFUA_4G00225 | Detail |
| P57502 | CYSI_BUCAI | Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium) | cysI BU427 | Detail |
| Q7VQH1 | CYSI_BLOFL | Blochmannia floridanus | cysI Bfl159 | Detail |
| Q7N8L6 | CYSJ_PHOLL | Photorhabdus laumondii subsp. laumondii (strain DSM 15139 / CIP 105565 / TT01) | cysJ plu0703 | Detail |
| A7MJ64 | CYSI_CROS8 | Cronobacter sakazakii (strain ATCC BAA-894) (Enterobacter sakazakii) | cysI ESA_00535 | Detail |
| P38909 | CYC2_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | CYC2 YOR037W OR26.30 | Detail |
| P52898 | DDBX_BOVIN | Bos taurus (Bovine) | | Detail |
| Q6WP49 | BOT1_BOTFU | Botryotinia fuckeliana (Noble rot fungus) (Botrytis cinerea) | BOT1 CND5 P450-12 | Detail |
| F2JXJ2 | LODB_MARM1 | Marinomonas mediterranea (strain ATCC 700492 / JCM 21426 / NBRC 103028 / MMB-1) | lodB Marme_2661 | Detail |