TABLE 1.
Identification of proteins induced or newly detected by PAH treatments
Protein no. | Protein identification | NCBI accession no. | Spot density in indicated culture
|
Mascot score | No. of peptides matched | % Coverage | Observed migrationa
|
Theoretical migrationb
|
||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | Pyrene added | Quinone added | Mr (kDa) | pI | Mr (kDa) | pI | ||||||
P1 | 4Fe-4S ferredoxin, iron-sulfur binding | ZP_01282568 | 0.06 | 0.25 | 0.26 | 153 | 2 | 46 | 16.3 | 4.3 | 10.5 | 4.5 |
P2 | Aromatic-ring-hydroxylating dioxygenase, β subunit | ZP_01282558 | NDc | 0.15 | 0.17 | 569 | 8 | 59 | 16.7 | 4.4 | 18.9 | 4.6 |
P3 | Aromatic-ring-hydroxylating dioxygenase, β subunit | ZP_01286731 | ND | 0.17 | 0.13 | 49 | 2 | 14 | 18.3 | 4.4 | 18.8 | 4.5 |
P4 | Sterol binding protein | ZP_01282557 | ND | 0.47 | 0.42 | 602 | 20 | 86 | 15.6 | 5.0 | 14.3 | 5.0 |
P5 | Hypothetical protein MkmsDRAFT_0077 | ZP_01286732 | ND | 0.66 | 0.50 | 637 | 20 | 87 | 16.7 | 5.3 | 14.3 | 5.1 |
P6 | Aromatic-ring-hydroxylating dioxygenase, β subunit | ZP_01286725 | ND | 0.26 | 0.22 | 471 | 12 | 59 | 19.5 | 4.8 | 19.5 | 4.9 |
P7 | Aromatic-ring-hydroxylating dioxygenase, β subunit (nidB2) | AAT51747 | ND | 1.06 | 0.68 | 525 | 10 | 60 | 18.7 | 5.1 | 19.4 | 5.1 |
P8 | Aromatic-ring-hydroxylating dioxygenase, β subunit | ZP_01282769 | ND | 0.20 | 0.19 | 420 | 7 | 39 | 24.9 | 6.1 | 22.4 | 5.7 |
P9 | Phthalate dihydrodiol dehydrogenase | AAQ91917 | ND | 0.16 | 0.11 | 525 | 10 | 42 | 28.6 | 6.4 | 28.3 | 5.5 |
P10 | Ring-hydroxylating dioxygenase, alpha subunit (Rieske [2Fe-2S] region) | ZP_01282559 | 0.04 | 0.73 | 0.50 | 231 | 10 | 17 | 40.8 | 6.6 | 45.0 | 6.0 |
P11 | Glycosyl hydrolase, BNR | ZP_01282560 | 0.05 | 0.45 | 0.57 | 812 | 111 | 50 | 40.8 | 6.4 | 39.1 | 5.9 |
P12 | Epoxide hydrolase-like alpha/beta hydrolase fold | ZP_01282545 | 0.16 | 0.60 | 0.50 | 542 | 14 | 46 | 40.2 | 6.0 | 42.4 | 5.6 |
P13 | Ring-hydroxylating dioxygenase, alpha subunit (Rieske [2Fe-2S] region) | ZP_01282563 | 0.08 | 0.59 | 0.72 | 1087 | 25 | 56 | 46.4 | 5.6 | 50.2 | 5.3 |
P14 | Aromatic-ring-hydroxylating dioxygenase, alpha subunit (nidA) | AAQ95208 | 0.03 | 0.90 | 0.99 | 906 | 16 | 37 | 47.0 | 5.4 | 50.1 | 5.3 |
P15 | Flavoprotein-like fumarate reductase/succinate dehydrogenase (FAD- dependent oxidoreductase) | ZP_01282569 | 0.06 | 1.70 | 1.41 | 1227 | 23 | 37 | 57.8 | 5.6 | 73.8 | 5.8 |
P16 | PhdG (hydratase-aldolase) | AAT51745 | ND | 0.38 | 0.50 | 1160 | 19 | 65 | 36.3 | 5.2 | 36.8 | 5.2 |
P17 | Aldehyde dehydrogenase (NAD+) | ZP_01286724 | ND | 1.11 | 1.44 | 555 | 8 | 27 | 47.0 | 5.1 | 52.0 | 5.0 |
Q1 | Zinc-containing alcohol dehydrogenase superfamily (alcohol dehydrogenase) | ZP_01283066 | 0.09 | 0.03 | 0.36 | 1468 | 27 | 64 | 41.2 | 5.1 | 50.2 | 5.3 |
Q2 | Cytochrome P450 | ZP_01283067 | 0.21 | 0.25 | 3.04 | 1323 | 34 | 65 | 41.6 | 5.3 | 47.6 | 5.2 |
The observed migrations Mr and pI were based on 2-D calibration during gel image analysis.
The theoretical migrations Mr and pI were based on Mascot searches.
ND, nondetectable.