Table 2.
Top 15 most abundant proteins of A. niger CICC2462 identified by shotgun LC–MS/MS
| No. | Protein description | GN | Pep counta | Unique pepcountb | Cover percent (%)c |
|---|---|---|---|---|---|
| 1 | Glucoamylase | glaA | 1022 | 19 | 59.22 |
| 2 | Acid-stable alpha-amylase (fragment) | amyA | 358 | 15 | 53.51 |
| 3 | Extracellular alpha-amylase amyA/amyB | amyA | 286 | 16 | 41.77 |
| 4 | Acid alpha-amylase | amyA | 236 | 10 | 38.22 |
| 5 | Putative uncharacterized protein An01g10930 | An01g10930 | 85 | 15 | 27.98 |
| 6 | Hydrolysis of the 1 | An02g07020 | 39 | 8 | 40.00 |
| 7 | Probable alpha-galactosidase B | aglB | 34 | 7 | 25.28 |
| 8 | Catalases convert 2 H(2)O(2) to O(2) + 2 H(2)O | An01g01550 | 30 | 12 | 26.13 |
| 9 | Endoglucanase A | eglA | 29 | 5 | 27.62 |
| 10 | Aspartic proteinase | An01g00370 | 28 | 11 | 42.49 |
| 11 | Probable beta-mannosidase A | mndA | 26 | 13 | 23.85 |
| 12 | Similarity to isoamyl alcohol oxidase mreA | An03g06270 | 26 | 9 | 24.78 |
| 13 | Hypothetical protein | An01g14730 | 23 | 9 | 47.06 |
| 14 | Probable endo-1,4-beta-xylanase C | xlnC | 20 | 7 | 36.39 |
| 15 | Probable glucan endo-1,3-beta-glucosidase | eglC | 14 | 4 | 17.17 |
aThe pepcount refers to the number of total peptides assigned to proteins
bThe unique pepcount refers to the number of different peptides assigned to the proteins
cThe percentage coverage is defined as the ratio (%) of the protein sequence covered by the matched peptides