| Cu | Copper |
| CTR | Cu transporter family proteins |
| COPT | CTR-like transporters |
| HMA | The P-type heavy-metal ATPase family proteins |
| NA | Nicotianamine |
| Zn | Zinc |
| Cd | Cadmium |
| YSL | The Yellow Stripe-Like family genes |
| Fe | iron |
| SUMO/SIZ1 | Small Ubiquitin-like Modifier E3 ligase |
| DMA | Deoxymugineic acid |
| NT | Non-transgenic |