Wild-Type and Mutant Proteins Used in This Study a
| Aux/IAA Proteins | Mutations | Domain I | Domain II | Domain III |
|---|---|---|---|---|
| IAA3 | Wild type (wt) | ETELRLGLPG | GWPPVRSY | PYLRKIDL |
| mII | —b | GWSPVRSY | — | |
| IAA7 | Wild type (wt) | ATELCLGLPG | GWPPVRNY | PYLRKVDL |
| mIa | ATELCFGLPG | — | — | |
| mIb | ATVRCLGLPG | — | — | |
| mII | — | GWSPVRNY | — | |
| mIa/mII | ATELCFGLPG | GWSPVRNY | — | |
| mIb/mII | ATVRCLGLPG | GWSPVRNY | — | |
| mIII | — | — | PYLKKVDL | |
| mII/mIII | — | GWSPVRNY | PYLKKVDL | |
| IAA17 | Wild type (wt) | ETELCLGLPG | GWPPVRSY | PYLRKIDL |
| mI | ETVRCLGLPG | — | — | |
| mII | — | GWPLVRSY | — | |
| mI/mII | ETVRCLGLPG | GWPLVRSY | — | |
| mIII | — | — | PYLRKIES | |
| IAA19 | Wild type (wt) | ITELRLGLPG | GWPPVCSY | DKLFGFRGI |
| dI | Deletion of box I (1 to 34 amino acids) | — | — | |
| mII | — | GWSPVCSY | — | |
| dI/mII | Deletion of box I (1 to 34 amino acids) | GWSPVCSY | — | |
| mII/mIII | — | GWSPVCSY | DKESGFRGI |