| Compound | Description |
|---|---|
| hydronium ion | |
| adenosine diphosphate | Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. |
| fixb protein, e coli | maybe involved in a redox process involved in nitrogen fixation; part of the fixABC region; amino acid sequence given in first source |
| adenosine triphosphate | An adenine nucleotide containing three phosphate groups esterified to the sugar moiety. In addition to its crucial roles in metabolism adenosine triphosphate is a neurotransmitter. |