Table 1. Proteins identified in the culture’s supernatant of ∆DR_146T by MS.

Gene Number	Protein Description	Relative Abundance Indexa
DR_1115	S-layer-like array-like protein	++
DR_0383	S-layer-like array-like protein	+
DR_1185	S-layer-like array-like protein	+
DR_2508	hexagonally packed intermediate-layer surface protein	++
DR_1124	SLH family protein	+
DR_A0210	peptide ABC transporter, periplasmic peptide-binding protein	+
DR_0363	peptide ABC transporter periplasmic peptide-binding protein	++
DR_1027	amino acid ABC transporter, periplasmic amino acid-binding protein	+++
DR_1571	peptide ABC transporter periplasmic peptide-binding protein	++++
DR_0986	extracellular solute-binding protein	++
DR_1551	carboxyl-terminal protease	+
DR_1649	immunogenic protein	+
DR_1893	cyclophilin-type peptidyl-prolyl cis-trans isomerase	++
DR_1998	catalase	+
DR_2070	membrane lipoprotein	+
DR_2095	c-type cytochrome	+
DR_2221	tellurium resistance protein TerD	+
DR_2487	cytochrome C4	++
DR_2542	cyclophilin-type peptidyl-prolyl cis-trans isomerase	+++
DR_A0255	aculeacin A acylase	+
DR_A0283	serine protease	+
DR_0115	hypothetical protein	+
DR_0459	hypothetical protein	+++
DR_0574	hypothetical protein	+
DR_0685	hypothetical protein	+
DR_0691	hypothetical protein	+
DR_0969	hypothetical protein	++
DR_0972	hypothetical protein	+++
DR_1306	hypothetical protein	+++
DR_1406	hypothetical protein	+
DR_1805	hypothetical protein	+
DR_1940	hypothetical protein	++
DR_2319	hypothetical protein	+
DR_2320	hypothetical protein	+
DR_B0037	hypothetical protein	++

^aRelative protein abundance was indicated by the index value (i = unweighted spectrum count of each protein/mass). +, i ≤ 0.20; ++, 0.20 < i ≤ 0.40; +++, 0.40 < i ≤ 0.60; ++++, 0.60 < i ≤ 0.80; +++++, i > 0.80.