Table 1. Identification of proteins from 2-Dimensional electrophoresis gels.
A. Identified proteins from spots on the 2-D gel of E. coli lysate digested with 0.40 mg/mL trypsin for 4 days. | |||||
---|---|---|---|---|---|
Spot number | Protein ID | Gene name | Length | M.W. (kDa) | pI |
1 | P21179 | katE | 753 | 84.2 | 5.54 |
2 | P06715 | Gor | 450 | 48.8 | 5.64 |
3 | P76108 | ydcS | 359 | 40.0 | 6.27 |
4 | P06977 | gapA | 330 | 35.4 | 6.58 |
5 | P25887 | yghA | 294 | 31.4 | 6.32 |
6 | P60651 | speB | 306 | 33.6 | 5.14 |
7 | P24223 | pdxJ | 242 | 26.3 | 5.61 |
8* | P00882 | deoC | 259 | 27.7 | 5.50 |
9 | P04790 | tpiA | 255 | 27.0 | 5.64 |
10 | P02925 | rbsB | 271 | 28.5 | 5.99 |
11 | P09551 | argT | 238 | 25.8 | 5.22 |
12 | P12758 | udp | 252 | 27.0 | 5.81 |
13 | P12758 | udp | 252 | 27.0 | 5.81 |
14 | P75743 | ybgI | 247 | 26.9 | 5.07 |
15 | P21367 | ycaC | 208 | 23.1 | 5.20 |
P32661 | rpe | 225 | 24.6 | 5.13 | |
16 | P12758 | udp | 252 | 27.0 | 5.81 |
17* | P12758 | udp | 252 | 27.0 | 5.81 |
18 | P09743 | deoD | 238 | 25.8 | 5.42 |
19 | P10344 | glnH | 226 | 25.0 | 6.87 |
20 | P00448 | sodA | 205 | 23.0 | 6.44 |
21 | P00448 | sodA | 205 | 23.0 | 6.44 |
22 | P10344 | glnH | 226 | 25.0 | 6.87 |
23 | P09157 | sodB | 192 | 21.1 | 5.58 |
24 | P09157 | sodB | 192 | 21.1 | 5.58 |
25* | P17288 | ppa | 175 | 19.6 | 5.03 |
26† | P04790 | tpiA | 255 | 27.0 | 5.64 |
27† | P12758 | udp | 252 | 27.0 | 5.81 |
28* | P11056 | bfr | 158 | 18.5 | 4.69 |
29† | P27430 | dps | 166 | 18.6 | 5.72 |
30 | P23827 | eco | 142 | 16.1 | 5.94 |
B. Identified proteins from spots on the 2-D gel of E. coli lysate digested with 0.40 mg/mL thermolysin for 4 days. | |||||
---|---|---|---|---|---|
Spot number | Protein ID | Gene name | Length | M.W. (kDa) | pI |
1 | P21179 | katE | 753 | 84.2 | 5.54 |
2* | P07024 | ushA | 525 | 58.2 | 5.40 |
3* | P13482 | treA | 535 | 60.5 | 5.36 |
4 | P14178 | pykF | 470 | 50.7 | 5.77 |
5* | P23843 | oppA | 517 | 58.4 | 5.85 |
6 | P00391 | ipdA | 473 | 50.6 | 5.79 |
7 | P06715 | gor | 450 | 48.8 | 5.64 |
8* | P22259 | pckA | 540 | 59.6 | 5.46 |
9* | P19926 | agp | 391 | 43.6 | 5.38 |
10 | P37095 | pepB | 427 | 46.2 | 5.60 |
11* | P75691 | yahK | 349 | 38.0 | 5.80 |
12 | P00509 | aspC | 396 | 43.6 | 5.54 |
13 | P11665 | Pgk | 386 | 41.0 | 5.08 |
14 | P02928 | malE | 370 | 40.7 | 5.22 |
15 | P31133 | potF | 344 | 38.3 | 5.53 |
16 | P76108 | ydcS | 359 | 40.0 | 6.27 |
17* | P06977 | gapA | 330 | 35.4 | 6.58 |
18 | P13652 | cdd | 294 | 31.5 | 5.42 |
19† | P14178 | pykF | 470 | 50.7 | 5.77 |
20† | P14178 | pykF | 470 | 50.7 | 5.77 |
21 | P02925 | rbsB | 271 | 28.5 | 5.99 |
22 | P00882 | deoC | 259 | 27.7 | 5.50 |
23 | P09551 | argT | 238 | 25.8 | 5.22 |
24 | P30859 | artI | 224 | 25.0 | 5.32 |
25 | P04790 | tpiA | 255 | 27.0 | 5.64 |
26 | P32697 | aphA | 212 | 23.5 | 5.94 |
27 | P10344 | glnH | 226 | 25.0 | 6.87 |
P30860 | artJ | 224 | 24.9 | 5.97 | |
28 | P10344 | glnH | 226 | 25.0 | 6.87 |
29 | P00448 | sodA | 205 | 23.0 | 6.44 |
30 | P12758 | udp | 252 | 27.0 | 5.81 |
31 | P21367 | ycaC | 208 | 23.1 | 5.20 |
32 | P32661 | rpe | 225 | 24.6 | 5.13 |
33 | P17288 | ppa | 175 | 19.6 | 5.03 |
34 | P09157 | sodB | 192 | 21.1 | 5.58 |
35† | P07651 | deoB | 407 | 44.4 | 5.11 |
36*† | P12758 | Udp | 252 | 27.0 | 5.81 |
37† | P12758 | Udp | 252 | 27.0 | 5.81 |
38 | P11056 | Bfr | 158 | 18.5 | 4.69 |
39 | P27430 | Dps | 166 | 18.6 | 5.72 |
40† | P05313 | aceA | 434 | 47.5 | 5.16 |
The spot intensity has been decreased noticeably compared with the same spot on the 2-D gel of the lysate digested for 1 day under the same condition.
The size of the peptide estimated from the gel suggests the spot corresponds to a fragment from proteolysis of the protein.