Table II.
Characterization of the identified vacuolar proteins
Accession numbers are from NCBI (http://www.ncbi.nlm.nih.gov/). Fractions are indicated by “x” in which each identified protein was present. The number of transmembrane domains (TMDs) is according to the prediction by SOSUI (http://sosui.proteome.bio.tuat.ac.jp/sosuiframe0.html). MW, Predicted Mr; % Cov., sequence coverage in percent; % Seq., sequence similarity of the closest Arabidopsis homologs; Ref., Arabidopsis homolog(s) found by Carter et al. (2004; a), Shimaoka et al. (2004; b), Szponarski et al. (2004; c), and Sazuka et al. (2004; d).
Accession No. | Description | Nontreated | KIa | NaOHb | TMDs | MW | pI | % Cov. | ppc | Arabidopsis Homologs | % Seq. | Ref. |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Known vacuolar proteins | ||||||||||||
gi|1051258 | V-ATPase A-subunit | x | x | x | 0 | 64 | 5.3 | 77.8 | 1 | At1g78900 | 90 | a, b, c, d |
gi|167108 | V-ATPase B-subunit (isoform 1) | x | x | x | 0 | 54 | 5.1 | 84.5 | 1 | At1g76030 | 96 | a, b, c |
At4g38510 | 95 | a, b | ||||||||||
At1g20260 | 94 | a, b | ||||||||||
gi|167110 | V-ATPase B-subunit (isoform 2) | x | x | x | 0 | 53 | 5.1 | 81.6 | 1 | At4g38510 | 97 | a, b |
At1g76030 | 96 | a, b | ||||||||||
At1g20260 | 95 | a, b | ||||||||||
gi|12585487 | V-ATPase C-subunit | x | x | x | 0 | 40 | 6.0 | 78.0 | 1 | At1g12840 | 67 | a, b, c |
gi|50929105 | V-ATPase D-subunit | x | x | x | 0 | 29 | 9.8 | 33.1 | 1 | At3g58730 | 76 | a, b, c |
gi|4099148 | V-ATPase E-subunit | x | x | x | 0 | 26 | 6.5 | 92.5 | 1 | At4g11150 | 75 | a, b, c |
At1g64200 | 74 | a, b | ||||||||||
gi|50916028 | V-ATPase F-subunit | x | x | x | 0 | 14 | 5.6 | 16.9 | 1 | At4g02620 | 84 | a, b |
gi|50928483 | V-ATPase G-subunit | x | 0 | 12 | 8.0 | 12.7 | 1 | At3g01390 | 72 | a, b | ||
At4g23710 | 67 | a | ||||||||||
gi|34898596 | V-ATPase H-subunit | x | x | x | 1 | 51 | 7.1 | 11 | 1 | At3g42050 | 71 | a, b, c |
gi|18657017 | V-ATPase subunit-a | x | x | x | 7 | 89 | 5.6 | 7.2 | 1 | At2g21410 | 76 | a, b, d |
At4g39080 | 76 | a, b, c, d | ||||||||||
gi|52353608 | V-ATPAse subunit-c | x | x | x | 4 | 16 | 8.6 | 10.8 | 1 | At1g19910 | 96 | d |
At2g16510 | 96 | d | ||||||||||
At4g34720 | 96 | b, d | ||||||||||
At4g38920 | 96 | a | ||||||||||
At1g75630 | 95 | d | ||||||||||
gi|20160977 | V-ATPAse subunit-d | x | x | 0 | 40 | 4.8 | 27.6 | 1 | At3g28715 | 90 | a, b | |
At3g28710 | 89 | a, b | ||||||||||
gi|11527561 | Pyrophosphatase VP1 | x | x | x | 12 | 80 | 5.0 | 27.5 | 1 | At1g15690 | 86 | a, b, c, d |
gi|18274925 | Pyrophosphatase AVP3 | x | x | x | 12 | 79 | 5.2 | 30.6 | 1 | At1g15690 | 86 | a, b, c, d |
gi|520936 | γ-TIP-like protein | x | x | x | 6 | 25 | 6.0 | 10.4 | 1 | At2g36830 | 74 | |
At3g26520 | 74 | a | ||||||||||
At4g01470 | 68 | |||||||||||
gi|12278525 | Putative ABC transporter TAP2 | x | x | x | 5 | 69 | 8.5 | 9.3 | 1 | At5g39040 | 77 | a, b |
gi|22022396 | ABC transporter TaMRP1 | x | 6 | 85 | 5.5 | 10.5 | 1 | At3g62700 | 74 | a, b | ||
At2g47800 | 72 | a, b, c | ||||||||||
gi|27263148 | Putative ABC transporter MRP2 | x | x | x | 14 | 183 | 6.3 | 11.8 | 1 | At2g34660 | 72 | b |
At1g30400 | 70 | a, b, c, d | ||||||||||
At1g30410 | 69 | |||||||||||
gi|39545849 | Two-pore calcium channel | x | x | 12 | 85 | 5.4 | 10.4 | 1 | At4g03560 | 59 | a, c | |
gi|28201131 | Na+/H+ antiporter HvNHX1 | x | 9 | 59 | 7.6 | 8.2 | 0.98 | At3g05030 | 75 | |||
At5g27150 | 73 | |||||||||||
gi|50911128 | Putative cytochrome b-561 | x | 6 | 27.6 | 6.6 | 9.1 | 0.97 | At4g25570 | 60 | a, b | ||
Putative vacuolar transport proteins | ||||||||||||
gi|7024413 | Suc transporter HvSUT2 | x | x | x | 11 | 54 | 8.9 | 7.4 | 1 | At1g09960 | 62 | |
gi|26986186 | Hexose transporter HvSTP1 | x | 12 | 79 | 4.8 | 2.0 | 1 | At4g35300 | 71 | a | ||
At1g20840 | 62 | a | ||||||||||
gi|55773917 | Putative ABC transporter | x | 10 | 149 | 6.0 | 1.9 | 0.93 | At2g07680 | 59 | |||
gi|34912536 | Putative ABC transporter (PDR-like) | x | 14 | 162 | 8.0 | 1.5 | 1 | At1g15520 | 68 | |||
At2g36380 | 60 | |||||||||||
At1g15210 | 58 | |||||||||||
gi|34915038 | Putative ABC transporter | x | x | 9 | 162 | 10.7 | 1.7 | 1 | At2g47800 | 50 | a, b, c | |
At3g62700 | 49 | a, b | ||||||||||
gi|34898286 | Canalicular multispecific organic anion transporter 2-like protein | x | 15 | 164 | 7.8 | 1.7 | 0.91 | At3g59140 | 65 | |||
gi|15076661 | Putative peptide transporter | x | x | x | 11 | 65 | 5.1 | 11.3 | 1 | At2g02040 | 69 | a, b |
At2g02020 | 68 | |||||||||||
At3g54140 | 62 | |||||||||||
gi|34015349 | Putative chloride channel (CLC family) | x | 8 | 86 | 8.8 | 3.0 | 0.97 | At5g33280 | 65 | |||
At5g49890 | 59 | |||||||||||
gi|47497044 | Amino acid-like transporter | x | 8 | 31 | 9.1 | 4.5 | 0.98 | At2g41190 | 66 | |||
gi|49388943 | Putative hexose transporter | x | 11 | 80 | 5.2 | 2.1 | 1 | At4g35300 | 72 | a | ||
gi|51854311 | Putative sugar transporter | x | x | x | 10 | 53 | 9.1 | 4.4 | 1 | At1g75220 | 73 | |
At1g19450 | 71 | a | ||||||||||
gi|31433313 | Putative sugar transporter | x | 12 | 79 | 4.9 | 2.2 | 0.96 | At4g35300 | 72 | a | ||
gi|14275750 | Putative calcium translocating P-type ATPase | x | x | x | 10 | 63 | 4,9 | 8,3 | 1 | At3g57330 | 68 | a, b, c |
At2g41560 | 66 | a | ||||||||||
At4g37640 | 64 | |||||||||||
Putative vacuolar membrane proteins | ||||||||||||
gi|50726573 | Putative protein kinase Xa21 | x | 2 | 124 | 5.9 | 3.3 | 0.93 | At3g47110 | 41 | |||
At3g47570 | 41 | |||||||||||
At3g47090 | 39 | |||||||||||
gi|8886326 | Vacuolar targeting receptor bp-80 | x | 2 | 69 | 5.4 | 4.8 | 0.97 | At3g52850 | 70 | |||
At2g14740 | 68 | a | ||||||||||
At2g14720 | 68 | |||||||||||
gi|50943395 | Putative syntaxin of plants 52 | x | 1 | 26 | 8.6 | 10.3 | 1 | At1g79590 | 63 | a | ||
At1g16240 | 62 | a | ||||||||||
gi|37651973 | Blue copper-binding protein | x | x | 2 | 17 | 5.5 | 13 | 0.99 | At3g27200 | 40 | ||
At2g32300 | 37 | |||||||||||
At2g44790 | 36 | |||||||||||
gi|34913062 | Putative calcium sensor protein | x | 1 | 31 | 4.9 | 2.9 | 1 | At4g33000 | 77 | |||
gi|41529149 | Putative acid phosphatases | x | x | x | 1 | 29 | 8.6 | 18.4 | 1 | At4g29270 | 45 | |
At4g29260 | 44 | a | ||||||||||
At4g25150 | 41 | |||||||||||
gi|41019551 | Putative Cys protease | x | 1 | 41 | 5.8 | 5.0 | 0.99 | At4g39090 | 67 | |||
At2g21430 | 64 | a | ||||||||||
At4g16190 | 62 | |||||||||||
gi|34904294 | Putative bark storage protein | x | x | 1 | 36 | 5.6 | 5.7 | 1 | At4g24340 | 38 | ||
gi|53792725 | EREBP-4-like protein | x | x | 1 | 23 | 5.3 | 12.5 | 1 | At1g47740 | 62 | ||
At4g17486 | 53 | |||||||||||
At5g47310 | 54 | |||||||||||
gi|544242 | Endoplasmin homolog precursor | x | 1 | 92 | 4.8 | 6.7 | 1 | At4g24190 | 77 | a | ||
gi|7288255 | RNase S-like protein precursor | x | x | x | 1 | 27 | 8.8 | 52 | 1 | At1g14220 | 36 | a |
At2g02990 | 34 | |||||||||||
At1g26820 | 34 | |||||||||||
gi|23345048 | Hypersensitive-induced reaction protein 4 | x | 1 | 32 | 5.2 | 27.8 | 1 | At5g51570 | 76 | a, b | ||
gi|50252990 | SPX domain-containing-like protein | x | x | 10 | 78 | 6.0 | 2.4 | 0.99 | At1g63010 | 68 | ||
At4g22990 | 68 | |||||||||||
At4g11810 | 67 | |||||||||||
gi|50726593 | Putative nodulin-like protein | x | x | 10 | 58 | 8.3 | 9.2 | 1 | At4g34950 | 75 | ||
At2g16660 | 65 | |||||||||||
gi|51854288 | Putative integral membrane protein | x | x | x | 10 | 54 | 8.6 | 2.0 | 0.99 | At1g75220 | 71 | |
At1g19450 | 70 | a | ||||||||||
gi|51536186 | Translocation related protein | x | 4 | 42 | 9.1 | 3.8 | 0.98 | At3g20920 | 59 | |||
gi|50948653 | Type 1 membrane-like protein | x | x | 3 | 12 | 4.8 | 8.2 | 1 | At3g24160 | 41 | ||
gi|50929895 | Unknown protein | x | 2 | 113 | 9.3 | 1.8 | 0.91 | At1g22610 | 58 | |||
At4g11610 | 52 | |||||||||||
gi|55771327 | Unknown protein | x | 5 | 152 | 6.0 | 1.7 | 1 | At5g11700 | 66 | a, b | ||
gi|50926173 | Unknown protein | x | 2 | 47 | 5.2 | 5.4 | 1 | At1g16010 | 78 | a | ||
At1g80900 | 74 | |||||||||||
gi|50399936 | Expressed protein | x | 1 | 36 | 6.0 | 4.5 | 1 | At5g06300 | 31 | |||
At3g53450 | 31 | |||||||||||
Putative vacuolar membrane-associated proteins | ||||||||||||
Stress response | ||||||||||||
gi|53791853 | Putative propyzamide-hypersensitive 1 | x | 0 | 97 | 5.77 | 4.1 | 0.91 | At5g23720 | 59 | |||
gi|5822249 | Zymogen of a barley vacuolar aspartic proteinase | x | 0 | 51 | 5.2 | 5.4 | 1 | At1g11910 | 72 | a, b | ||
At1g62290 | 68 | a, b | ||||||||||
At4g04460 | 64 | |||||||||||
gi|23345042 | Hypersensitive-induced reaction protein 1 | x | x | 0 | 31 | 5.3 | 45.8 | 1 | At5g62740 | 87 | a, b | |
At1g69840 | 85 | b | ||||||||||
gi|18650668 | Temperature stress-induced lipocalin | x | 0 | 22 | 5.5 | 5.3 | 0.99 | At5g58070 | 74 | d | ||
gi|50912867 | Putative elicitor-inducible protein EIG-J7 | x | 0 | 20 | 6.1 | 4.7 | 0.98 | At4g39730 | 55 | a | ||
At2g22170 | 52 | a | ||||||||||
gi|28555904 | NBS-LRR disease-resistance protein homolog | x | 0 | 98 | 7.0 | 2.9 | 0.94 | At5g43470 | 31 | |||
At1g50180 | 30 | |||||||||||
At5g48620 | 30 | |||||||||||
gi|124037 | Bowman-Birk-type trypsin inhibitor | x | 0 | 14 | 8.77 | 10.5 | 0.99 | At5g43060 | 31 | b | ||
At1g32190 | 30 | |||||||||||
At1g74670 | 30 | |||||||||||
gi|50911973 | Ethylene-responsive-like protein | x | 0 | 20 | 5.9 | 6.2 | 0.98 | At5g14680 | 73 | |||
At3g01520 | 72 | |||||||||||
Membrane fusion and remodeling | ||||||||||||
gi|32308080 | α-SNAP | x | x | 0 | 12 | 4.3 | 87.5 | 1 | At3g56190 | 63 | a, b | |
At3g56450 | 54 | |||||||||||
gi|47834379 | Cycloartenol synthase | x | x | x | 0 | 86 | 6.1 | 1.8 | 1 | At2g07050 | 74 | a, b |
gi|50912455 | Putative ADP-ribosylation factor | x | x | 0 | 20 | 8.6 | 12.5 | 1 | At5g37680 | 90 | ||
At5g67560 | 80 | a | ||||||||||
gi|50943481 | Putative α-soluble NSF attachment protein | x | 0 | 32 | 5.0 | 20.4 | 1 | At3g56190 | 63 | a, b | ||
gi|52077324 | Putative GTP-binding protein | x | 0 | 26 | 5.2 | 3.8 | 0.93 | At1g01200 | 65 | |||
Other | ||||||||||||
gi|51035342 | Putative carotenoid cleavage dioxygenase 1 | x | x | 0 | 7 | 4.3 | 28.4 | 0.99 | At3g63520 | 77 | a | |
gi|1167957 | O-Methyltransferase | x | 0 | 30 | 6.4 | 6.6 | 0.99 | At5g54160 | 44 | |||
At1g33030 | 39 | |||||||||||
At1g51990 | 38 | |||||||||||
gi|50900950 | Putative gag-pol precursor | x | 0 | 206 | 8.9 | 3.0 | 1 | |||||
gi|34901992 | Putative sulfolipid synthase | x | 0 | 46 | 9.0 | 4.6 | 1 | At5g01220 | 71 | |||
gi|37718792 | Calcineurin B protein | x | 0 | 26 | 4.7 | 12.9 | 1 | At4g26570 | 88 | a | ||
At5g55990 | 88 | a | ||||||||||
gi|34904770 | Putative esterase | x | 0 | 38 | 6.0 | 2.5 | 0.99 | At5g23530 | 47 | |||
At5g27320 | 42 | |||||||||||
At3g05120 | 39 | |||||||||||
gi|11360993 | Gly dehydrogenase | x | 0 | 111 | 6.3 | 1.66 | 0.99 | At4g33010 | 81 | |||
At2g26080 | 80 | |||||||||||
gi|21954110 | RNase S-like protein | x | 0 | 28 | 6.5 | 21.2 | 1 | At1g26820 | 39 | |||
At2g02990 | 38 | a | ||||||||||
At1g14220 | 38 | |||||||||||
gi|7576892 | Fatty acid α-oxidase | x | 0 | 71 | 7.7 | 5.2 | 0.96 | At3g01420 | 62 | |||
At1g73680 | 58 | |||||||||||
gi|51592190 | Nucleotide pyrophosphatase/phosphodiesterase | x | 0 | 39.9 | 5.5 | 3.4 | 0.92 | At4g24890 | 73 | |||
At5g50400 | 73 | |||||||||||
At1g13750 | 66 | |||||||||||
gi|21742152 | Unknown protein | x | 0 | 35 | 9.3 | 11.0 | 1 | At4g13010 | 64 | a | ||
gi|38345613 | Unknown protein | x | 0 | 33 | 5.0 | 4.4 | 1 | At4g20410 | 67 | |||
gi|55771325 | Unknown protein | x | 0 | 47 | 5.77 | 1.8 | 0.99 | At5g12010 | 59 | |||
At4g29780 | 55 | |||||||||||
gi|42408418 | Hypothetical protein | x | 0 | 16 | 11.5 | 10.8 | 0.99 | |||||
gi|49389235 | Hypothetical protein | x | 0 | 22 | 11.6 | 13.7 | 0.98 | |||||
gi|47847977 | Hypothetical protein | x | 0 | 14 | 5.0 | 16.5 | 0.97 | |||||
gi|50928857 | Unknown protein | x | 0 | 78 | 6.8 | 6.3 | 0.95 | At3g11590 | 44 | |||
At3g20350 | 42 | |||||||||||
At1g50660 | 39 | |||||||||||
gi|27497206 | Unknown protein | x | 0 | 66 | 5.6 | 1.0 | 0.94 | At2g20370 | 67 | |||
gi|52353607 | Unknown protein | x | 0 | 45 | 8.4 | 4.2 | 1 | |||||
gi|37533500 | Hypothetical protein | x | 0 | 71 | 6.0 | 3.7 | 0.92 |
Tonoplast fraction washed with 0.3 m KI.
Tonoplast fraction washed with 0.5 m NaOH.
Protein-Prophet scores (pp) above 0.9 were accepted; at this cutoff, the rate of false positive protein identifications is less than 10%.