| Status | Description | Organism | Genes | References |
|---|---|---|---|---|
| N-methylhydantoinase A | Aquifex aeolicus | hyuA | ||
| N-methylhydantoinase B | Aquifex aeolicus | hyuB | ||
| N-methylhydantoinase B | Alcanivorax borkumensis | hyuB | ||
| N-methylhydantoinase A | Alcanivorax borkumensis | hyuA | ||
| N-methylhydantoinase A | Azospirillum brasilense | hyuA | ||
| N-methylhydantoinase B | Azospirillum brasilense | hyuB | ||
| N-methylhydantoinase | Azorhizobium caulinodans | GJF3-168 | ||
| N-methylhydantoinase B | Azorhizobium caulinodans | GJF3-1820 | ||
| N-methylhydantoinase A | Alcanivorax dieselolei | hyuA | ||
| N-methylhydantoinase B | Alcanivorax dieselolei | hyuB |