TABLE 1.
Occurrence of coenzyme F430 and its variants in methanogens and ANMEa
| Sample | Occurrence of the following variants: |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| F430 | F430-2 | F430-3 | F430-4 | F430-5 | F430-6 | F430-7 | F430-8 | F430-9 | F430-10 | |
| M. jannaschii | +++ | − | +++ | − | − | − | − | − | − | + |
| M. maripaludis | +++ | − | +++ | +++ | ++ | − | − | ++ | − | − |
| M. vannielii | +++ | − | − | ++ | + | − | − | − | − | − |
| Black Sea ANME-1 and ANME-2 | +++ | +++ | − | +++ | ++ | − | − | + | − | − |
| Guaymas Basin ANME-1 | +++ | +++ | − | − | − | + | ++ | − | + | − |
| Caldera ANME-2 | +++ | +++ | − | +++ | ++ | − | − | − | − | − |
| Hydrate Ridge ANME-2 | +++ | +++ | − | +++ | ++ | − | − | − | − | − |
a
The corresponding structures are shown in Fig. 5. +, ++, and +++, the relative amount of each coenzyme detected; −, coenzyme not detected.