Table 1.

The most abundant proteins in the exoproteome of different strains of P. gingivalis identified using 2D-gel electrophoresis and MS/MS-LC mass spectroscopy

Symbol	Protein description	Porphyromonas gingivalis strains
		W50	33F	SUB1
gp	Gingipain	+  +  +	+  +  +	+  +  +
fim	Fimbrillin	−	+  +	−
M16	Peptidase M16 family	−	+	−
TapA	CTD-containing outer membrane protein	−	+  +	+  +  +
pad	Peptidylarginine deiminase	−	+	+
cp	Zinc carboxypeptidase	−	+	−

Mass lists were used as the input for Mascot MS/MS Ions searches of the NCBInr database using the Matrix Science web server