| P31808 | YCIK_ECOLI | Escherichia coli (strain K12) | yciK b1271 JW1263 | Detail |
| O05408 | YRPG_BACSU | Bacillus subtilis (strain 168) | yrpG BSU26850 | Detail |
| Q10216 | YAY8_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPAC4H3.08 | Detail |
| Q92JN8 | DSB_RICCN | Rickettsia conorii (strain ATCC VR-613 / Malish 7) | RC0029 | Detail |
| Q1C3Z0 | CYSJ_YERPA | Yersinia pestis bv. Antiqua (strain Antiqua) | cysJ YPA_2870 | Detail |
| Q07Y86 | CYSI_SHEFN | Shewanella frigidimarina (strain NCIMB 400) | cysI Sfri_3192 | Detail |
| A8FZY7 | CYSI_SHESH | Shewanella sediminis (strain HAW-EB3) | cysI Ssed_3806 | Detail |
| A4WDW1 | CYSJ_ENT38 | Enterobacter sp. (strain 638) | cysJ Ent638_3227 | Detail |
| B8D9K5 | CYSI_BUCA5 | Buchnera aphidicola subsp. Acyrthosiphon pisum (strain 5A) | cysI BUAP5A_420 | Detail |
| O32213 | CYSI_BACSU | Bacillus subtilis (strain 168) | cysI yvgQ BSU33430 | Detail |