| OKT | ornithine ketoacid amino-transferase |
|---|---|
| PNMT | phenyl-ethanolamine-N-methyl-transferase |
| PRT | Penicillium roqueforti toxin; pharmaceutical research and testing; phosphoribosyl transferase; posto... |
| SHMT | serine-hydroxymethyl transferase |
| S-OCT | serum ornithine carbamyl transferase |