| Q74GM3 | COXX_GEOSL | Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA) | ctaB GSU0223 | Detail |
| Q04PG4 | COXX_LEPBJ | Leptospira borgpetersenii serovar Hardjo-bovis (strain JB197) | ctaB LBJ_2799 | Detail |
| A3MXH2 | COXX1_PYRCJ | Pyrobaculum calidifontis (strain JCM 11548 / VA1) | ctaB1 Pcal_1923 | Detail |
| B8DH72 | COXX_LISMH | Listeria monocytogenes serotype 4a (strain HCC23) | ctaB LMHCC_0503 | Detail |
| A0RZ28 | COXX2_CENSY | Cenarchaeum symbiosum (strain A) | ctaB2 CENSYa_1991 | Detail |
| A0AKG3 | COXX_LISW6 | Listeria welshimeri serovar 6b (strain ATCC 35897 / DSM 20650 / SLCC5334) | ctaB lwe2077 | Detail |
| Q30SA5 | CMOB_SULDN | Sulfurimonas denitrificans (strain ATCC 33889 / DSM 1251) (Thiomicrospira denitrificans (strain ATCC 33889 / DSM 1251)) | cmoB Suden_0848 | Detail |
| A7GXW7 | CMOB_CAMC5 | Campylobacter curvus (strain 525.92) | cmoB Ccur92_07550 CCV52592_0121 | Detail |
| B7M2G2 | CMOB_ECO8A | Escherichia coli O8 (strain IAI1) | cmoB ECIAI1_1958 | Detail |
| A5UBW0 | CMOB_HAEIE | Haemophilus influenzae (strain PittEE) | cmoB CGSHiEE_04280 | Detail |