TABLE 1.

Preliminary characterization of components of C3 OMV^a

OMV component	Content identification	Entrapped material
Protein	Major bands: 28, 31, 37, 53, and 70 kDa; chitinase activity observed	∼80–89% chitinase activity protected from proteinase K digestion
Nucleic acids	0.13 g DNA/g protein	∼100% inside (not accessible to DNase)
Lipids	0.11 g LPS/g protein; phospholipids present

^aExperimental details are given in Materials and Methods.