Protein/Gene Name Gene Index Predicted Function/Domain Mol. Wt. kDa Pep. Id. Aa. Seq. Cov. (%) KS1 ΔAbpA Amylase-binding protein abpA* SGO_2105 Amylase-binding protein 20 12 53.8 + - Sortase B srtB* SGO_2104 Cell surface protein anchoring 32 2 8.4 + - Glutamate dehydrogenase gdh SGO_0276 Glutamate dehydrogenase 49 3 8.7 - + Metal binding permeaseAdcA* SGO_1936 Metal transport 56 2 7.2 - + 60 kDachaperoningroEL SGO_1885 Chaperone protein 57 2 9.3 ­ + Mol. Wt. kDa–Molecular weight in kDa (http://web.expasy.org/compute_pi/) Pep. Id.–No. of peptides identified in MS/MS analysis Aa. Seq. Cov.-% of the total aminoacid sequence covered by identified peptides *Proteins with N-terminal signal for secretion (http://www.predisi.de/home.html)

Table 2: Differentially secreted proteins in KS1 and ΔAbpA strains.