Table S1.
Mass spectrometry analysis of the main iron-binding proteins presented as a Mascot report
| Accession | Description | Score | Coverage | No. of proteins | No. unique peptides | No. of peptides | No. of PSM | Area | No. of AAs | Mass, kDa | Calc. pI |
| 350 kDa | |||||||||||
| 308798739 | P-type ATPase (ISS) [O. tauri] | 1,088.96 | 28.92 | 1 | 49 | 31 | 39 | 1,172 | 128.2 | 6.25 | |
| 308801239 | Sor-like protein (ISS) [O. tauri] | 1,002.01 | 42.94 | 1 | 19 | 14 | 41 | 9.294E7 | 347 | 37.5 | 7.39 |
| 308799545 | Glutamine synthetase, catalytic domain (ISS) [O. tauri] | 913.21 | 43.33 | 1 | 38 | 24 | 50 | 8.668E7 | 690 | 75.4 | 5.83 |
| 308811799 | Peptide exporter, ABC superfamily (ISS) [O. tauri] | 873.10 | 25.95 | 1 | 34 | 25 | 31 | 2.965E6 | 1,079 | 119.3 | 6.49 |
| 308799207 | Acetyl-CoA carboxylase (ISS) [O. tauri] | 872.52 | 21.38 | 1 | 71 | 40 | 42 | 1.346E6 | 2,123 | 233.6 | 6.24 |
| 308809732 | Unnamed protein product [O. tauri] | 846.71 | 28.82 | 1 | 31 | 20 | 31 | 1.250E7 | 864 | 95.1 | 6.62 |
| 308801004 | Pyruvate, phosphate dikinase, chloroplast [Precursor] (IC) [O. tauri] | 818.15 | 31.15 | 2 | 40 | 25 | 40 | 1.071E7 | 931 | 100.4 | 5.25 |
| 308807779 | ACA11_ARATH Potential calcium-transporting ATPase 11, plasma membrane-type (ISS) [O. tauri] | 796.92 | 31.73 | 1 | 55 | 29 | 34 | 3.013E6 | 1,062 | 114.1 | 6.01 |
| 113170470 | Ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit [O. tauri] | 752.73 | 46.95 | 1 | 36 | 19 | 40 | 3.484E7 | 475 | 52.5 | 6.48 |
| 308811204 | Chaperone HSP104 and related ATP-dependent Clp proteases (ISS) [O. tauri] | 686.41 | 37.77 | 2 | 41 | 26 | 26 | 3.347E6 | 781 | 86.0 | 5.30 |
| 308813361 | Putative hsp70 (ISS) [O. tauri] | 598.65 | 31.03 | 1 | 26 | 18 | 26 | 5.411E6 | 651 | 72.2 | 8.82 |
| 308806445 | Chloroplast inner envelope protein-related (ISS) [O. tauri] | 597.57 | 21.55 | 1 | 33 | 23 | 25 | 1.153E6 | 1,174 | 127.6 | 6.18 |
| 308802856 | Magnesium chelatase H subunit (ISS) [O. tauri] | 597.57 | 22.91 | 1 | 46 | 25 | 26 | 1.561E6 | 1,397 | 153.6 | 5.59 |
| 308808950 | NADP-glyceraldehyde-3-phosphate dehydrogenase (IC) [O. tauri] | 578.93 | 50.79 | 2 | 20 | 15 | 23 | 6.713E6 | 378 | 40.2 | 8.25 |
| 113170490 | Atp1 [O. tauri] | 565.70 | 37.99 | 1 | 25 | 17 | 19 | 5.579E6 | 508 | 55.1 | 5.76 |
| 113170421 | AtpB [O. tauri] | 563.54 | 40.17 | 1 | 25 | 15 | 21 | 1.343E7 | 483 | 51.8 | 4.93 |
| 308800160 | Bip Luminal binding protein precursor, probable (IC) [O. tauri] | 545.76 | 25.94 | 1 | 26 | 15 | 19 | 1.816E6 | 663 | 73.2 | 5.03 |
| 113170436 | TufA [O. tauri] | 527.42 | 50.12 | 1 | 22 | 16 | 26 | 5.358E6 | 409 | 44.4 | 5.15 |
| 308810280 | RuBisCO subunit binding-protein alpha subunit, chloroplast [Prec (IC) [O. tauri] | 500.14 | 28.35 | 1 | 27 | 12 | 13 | 3.977E6 | 575 | 61.2 | 5.10 |
| 308806437 | Transketolase (ISS) [O. tauri] | 481.87 | 17.45 | 1 | 23 | 10 | 11 | 2.134E6 | 745 | 80.8 | 6.47 |
| 308809675 | Tricorn protease homolog (ISS) [O. tauri] | 473.04 | 15.95 | 1 | 31 | 20 | 23 | 1.971E6 | 1,467 | 161.1 | 6.80 |
| 308806706 | Acetyl-CoA carboxylase (ISS) [O. tauri] | 451.56 | 19.81 | 1 | 31 | 24 | 25 | 1.353E6 | 1,272 | 137.4 | 6.38 |
| 308808432 | Nia, nitrate reductase apoenzyme (IC) [O. tauri] | 450.30 | 20.59 | 1 | 26 | 17 | 18 | 1.724E6 | 952 | 106.1 | 6.25 |
| 308800570 | Ggh geranylgeranyl reductase (IC) [O. tauri] | 440.59 | 31.82 | 1 | 21 | 12 | 14 | 8.770E5 | 462 | 51.4 | 8.03 |
| 308811769 | Unnamed protein product [O. tauri] | 436.99 | 11.91 | 2 | 34 | 14 | 14 | 6.838E5 | 1,536 | 171.8 | 4.83 |
| 150 kDa | |||||||||||
| 308811414 | Ferredoxin-dependent glutamate synthase (ISS) [O. tauri] | 1,994.81 | 50.72 | 1 | 63 | 57 | 104 | 7.169E7 | 1,382 | 148.1 | 5.83 |
| 308806437 | Transketolase (ISS) [O. tauri] | 1,834.99 | 46.04 | 1 | 23 | 22 | 73 | 1.943E8 | 745 | 80.8 | 6.47 |
| 308811328 | Mitochondrial elongation factor (ISS) [O. tauri] | 1,133.92 | 44.27 | 1 | 44 | 35 | 55 | 4.494E7 | 820 | 91.3 | 5.90 |
| 308813361 | Putative hsp70 (ISS) [O. tauri] | 1,084.78 | 36.71 | 1 | 26 | 24 | 45 | 3.701E7 | 651 | 72.2 | 8.82 |
| 308800160 | Bip Luminal binding protein precursor, probable (IC) [O. tauri] | 1,034.57 | 44.19 | 1 | 26 | 29 | 42 | 2.053E7 | 663 | 73.2 | 5.03 |
| 308799607 | Unnamed protein product [O. tauri] | 907.30 | 32.43 | 1 | 12 | 11 | 34 | 4.117E7 | 441 | 46.9 | 4.49 |
| 308810280 | RuBisCO subunit binding-protein alpha subunit, chloroplast [Prec (IC) [O. tauri] | 897.85 | 40.87 | 1 | 27 | 20 | 26 | 1.355E7 | 575 | 61.2 | 5.10 |
| 308803252 | Heat shock protein 70/HSP70 (ISS) [O. tauri] | 874.42 | 39.52 | 1 | 25 | 21 | 27 | 1.068E7 | 673 | 72.0 | 5.67 |
| 308808950 | NADP-glyceraldehyde-3-phosphate dehydrogenase (IC) [O. tauri] | 871.07 | 57.67 | 2 | 20 | 21 | 41 | 4.118E7 | 378 | 40.2 | 8.25 |
| 308799163 | Oxidoreductase (ISS) [O. tauri] | 837.17 | 45.06 | 1 | 32 | 29 | 34 | 6.722E6 | 790 | 86.1 | 8.22 |
| 308799545 | Glutamine synthetase, catalytic domain (ISS) [O. tauri] | 813.04 | 35.65 | 1 | 38 | 18 | 33 | 4.371E7 | 690 | 75.4 | 5.83 |
| 308798869 | Enolase (ISS) [O. tauri] | 769.55 | 21.58 | 1 | 27 | 23 | 37 | 1.760E7 | 1,228 | 134.4 | 8.66 |
| 308806027 | Rubisco subunit binding-protein beta-2 subunit (60 kD Chaperonin (IC) [O. tauri] | 758.16 | 37.36 | 1 | 30 | 22 | 25 | 1.113E7 | 621 | 65.9 | 5.49 |
| 308806473 | Elongation factor G, chloroplast precursor (ISS) [O. tauri] | 729.53 | 30.63 | 1 | 23 | 20 | 26 | 7.540E6 | 790 | 86.5 | 5.44 |
| 308810507 | EF-1 alpha-like protein (ISS) [O. tauri] | 726.56 | 45.92 | 3 | 29 | 21 | 33 | 2.520E7 | 490 | 54.1 | 8.16 |
| 100 kDa | |||||||||||
| 308798869 | Enolase (ISS) [O. tauri] | 1,186.95 | 21.58 | 1 | 27 | 23 | 51 | 1.848E7 | 1,228 | 134.4 | 8.66 |
| 308808950 | NADP-glyceraldehyde-3-phosphate dehydrogenase (IC) [O. tauri] | 1,029.64 | 52.38 | 2 | 20 | 17 | 40 | 2.606E7 | 378 | 40.2 | 8.25 |
| 308813361 | Putative hsp70 (ISS) [O. tauri] | 1,023.10 | 35.64 | 1 | 26 | 22 | 41 | 1.883E7 | 651 | 72.2 | 8.82 |
| 308808434 | Nii. plastid-targeted nitrite reductase apoenzyme (IC) [O. tauri] | 981.43 | 44.22 | 1 | 43 | 38 | 53 | 1.062E7 | 986 | 108.4 | 7.08 |
| 308806437 | Transketolase (ISS) [O. tauri] | 902.05 | 27.65 | 1 | 23 | 15 | 28 | 8.908E6 | 745 | 80.8 | 6.47 |
| 308812292 | MGC53673 protein (ISS) [O. tauri] | 862.74 | 53.92 | 1 | 33 | 29 | 49 | 1.205E7 | 651 | 71.2 | 8.02 |
| 113170421 | AtpB [O. tauri] | 848.06 | 44.10 | 1 | 25 | 16 | 34 | 1.057E7 | 483 | 51.8 | 4.93 |
| 308813696 | Predicted serine-pyruvate aminotransferase (ISS) [O. tauri] | 814.87 | 24.19 | 1 | 19 | 14 | 36 | 2.226E7 | 868 | 93.7 | 7.18 |
| 308806027 | Rubisco subunit binding-protein beta-2 subunit (60 kD Chaperonin (IC) [O. tauri] | 766.87 | 44.12 | 1 | 30 | 23 | 29 | 9.201E6 | 621 | 65.9 | 5.49 |
| 308801693 | Putative ketol-acid reductoisomerase (ISS) [O. tauri] | 712.47 | 33.58 | 1 | 22 | 16 | 25 | 8.480E6 | 545 | 59.3 | 6.74 |
| 308802948 | RuBisCO Activase (IC) [O. tauri] | 692.59 | 49.39 | 1 | 21 | 15 | 29 | 1.089E7 | 407 | 44.5 | 6.44 |
| 113170436 | TufA [O. tauri] | 689.08 | 42.79 | 1 | 22 | 14 | 25 | 7.940E6 | 409 | 44.4 | 5.15 |
| 308800160 | Bip Luminal binding protein precursor, probable (IC) [O. tauri] | 671.20 | 32.13 | 1 | 26 | 20 | 25 | 6.636E6 | 663 | 73.2 | 5.03 |
| 308809581 | Cytosolic phosphoglucose isomerase (ISS) [O. tauri] | 664.07 | 29.32 | 2 | 18 | 17 | 29 | 7.081E6 | 590 | 65.0 | 5.86 |
| 308806473 | Elongation factor G, chloroplast precursor (ISS) [O. tauri] | 653.82 | 30.89 | 1 | 23 | 20 | 30 | 4.777E6 | 790 | 86.5 | 5.44 |
| 308810280 | RuBisCO subunit binding-protein alpha subunit, chloroplast [Prec (IC) [O. tauri] | 636.98 | 37.91 | 1 | 27 | 17 | 18 | 2.468E6 | 575 | 61.2 | 5.10 |
| 308808936 | Putative UV-damaged DNA binding factor (ISS) [O. tauri] | 634.55 | 20.90 | 2 | 27 | 23 | 25 | 1.786E6 | 1,282 | 140.8 | 5.34 |