Figure 1From: Cellular locations of proteinases and association with vesicles in porphyromonas gingivalis Gel filtration on Sephacryl S-300 of RGP purified from culture supernatant. The column (2.6 by 94 cm) was eluted with 50 mM Tris-HCl, pH 8.0 containing 200 mM NaCl.Back to article page