Table 3.
Summary of the Arabidopsis Oct1 substrates identified
| No. | Accession | Gene description | Δoct1 | Identified sequence |
|---|---|---|---|---|
| 1 | AT1G14610 | Valyl-tRNA synthetase | 1↓↓, 2↓↓ | ESEKKILTEEELER |
| 2 | AT1G80550 | Pentatricopeptide repeat (PPR) protein | 1↓↓, 2↓↓ | SVKPISNVDDAKFR |
| 3 | AT2G32230 | Proteinaceous RNase P1 (PRORP1) | 1↓↓, 2↓↓ | AAKQSAASPSENLSR |
| 4 | AT3G22310 | Mitochondrial RNA helicase 1 (PMH1) | 2↑↑ | FHVKSVPSEFR |
| 5 | AT3G22330 | Mitochondrial RNA helicase 2 (PMH2) | 2↑↑ | IHFQSGPLDFR |
| 1↑↑, 2↑↑ | MVSQAGFAISESSER | |||
| 1↑↑, 2↑↑ | VSQAGFAISESSERR | |||
| 1↑↑, 2↑↑ | SQAGFAISESSERR | |||
| 1↓↓, 2↓↓ | AGFAISESSERR | |||
| 1↓↓, 2↓↓ | GFAISESSER | |||
| 6 | AT5G52840 | B13 NADH complex | 1↓↓, 2↓↓ | AKVKQTTGIVGLDVVPNAR |
| 7 | AT3G48110 | glycine-tRNA synthetase | 2↓↓ | AVHHQSYRNPDDDVTR |
Up (↑↑) and down (↓↓) regulation of peptides in the Δoct1 mitochondria (only peptides with at least a 3-fold change were considered). The number 1 or 2 indicates which of the two Δoct1 mutants the different regulation comes from.