| Q02188 | CPXS_SYNPY | Synechococcus sp. (strain WH8020) | cpcS | Detail |
| O74794 | CCHL_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPBC26H8.12 | Detail |
| P14187 | CCHL_NEUCR | Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) | cyt-2 NCU05601 | Detail |
| P53701 | CCHL_HUMAN | Homo sapiens (Human) | HCCS CCHL | Detail |
| O14034 | YEMD_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPAC29B12.13 | Detail |
| P07126 | CPCE_MICDP | Microchaete diplosiphon (Fremyella diplosiphon) | cpcE | Detail |
| Q7D515 | EGTE_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | egtE MT3803 | Detail |