| P16703 | CYSM_ECOLI | Escherichia coli (strain K12) | cysM b2421 JW2414 | Detail |
| Q8LED0 | DDPS7_ARATH | Arabidopsis thaliana (Mouse-ear cress) | At5g60500 MUF9.13 | Detail |
| H7CE84 | FC11_PHOAM | Phomopsis amygdali (Fusicoccum amygdali) | PaPT orf11 | Detail |
| Q9KBZ6 | FOSB_BACHD | Bacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125) | fosB BH1778 | Detail |
| O81155 | CYSKP_SOLTU | Solanum tuberosum (Potato) | | Detail |
| P0ABK5 | CYSK_ECOLI | Escherichia coli (strain K12) | cysK cysZ b2414 JW2407 | Detail |
| O32978 | CYSK_MYCLE | Mycobacterium leprae (strain TN) | cysK ML0839 MLCB22.47 | Detail |
| P9WP54 | CYSK_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | cysK1 cysK MT2397 | Detail |
| Q7RYW6 | CYSK_NEUCR | Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) | cys-17 NCU06452 | Detail |
| P9WP55 | CYSK_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | cysK1 cysK Rv2334 MTCY98.03 | Detail |