| Protein | Synonyms | Taxonomy |
|---|---|---|
| Urocanate hydratase | Urocanase; EC 4.2.1.49; Imidazolonepropionate hydrolase | Caulobacter vibrioides NA1000 |
| Imidazolonepropionase | EC 3.5.2.7; Imidazolone-5-propionate hydrolase | Caulobacter vibrioides NA1000 |
| Histidine ammonia-lyase | Histidase; EC 4.3.1.3 | Caulobacter vibrioides NA1000 |
| Compound | Description |
|---|---|
| hydronium ion | |
| Water | A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |