| Q7VQH2 | CYSJ_BLOFL | Blochmannia floridanus | cysJ Bfl158 | Detail |
| Q1LTP1 | CYSJ_BAUCH | Baumannia cicadellinicola subsp. Homalodisca coagulata | cysJ BCI_0218 | Detail |
| B5XV25 | CYSI1_KLEP3 | Klebsiella pneumoniae (strain 342) | cysI1 KPK_1005 | Detail |
| P57503 | CYSJ_BUCAI | Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium) | cysJ BU428 | Detail |
| C6DCZ7 | CYSI1_PECCP | Pectobacterium carotovorum subsp. carotovorum (strain PC1) | cysI1 PC1_3306 | Detail |
| A7ZQK7 | CYSJ_ECO24 | Escherichia coli O139:H28 (strain E24377A / ETEC) | cysJ EcE24377A_3066 | Detail |
| A3N3D8 | CYSI_ACTP2 | Actinobacillus pleuropneumoniae serotype 5b (strain L20) | cysI APL_1842 | Detail |
| Q5E840 | CYSI_ALIF1 | Aliivibrio fischeri (strain ATCC 700601 / ES114) (Vibrio fischeri) | cysI VF_0311 | Detail |
| B7GJU8 | CYSI_ANOFW | Anoxybacillus flavithermus (strain DSM 21510 / WK1) | cysI Aflv_1596 | Detail |
| Q9KF75 | CYSI_BACHD | Bacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125) | cysI BH0610 | Detail |