SDS gel of lysin preps
1- Old lysin prep
2- Lysin from sucrose pellet of proteinase treated PBCV, activity=+
3- Lysin from sucrose pellet of PBCV, activity=+++
4- Lysin from low speed pellet of PBCV purification, activity=++
2,3,4 are supernatants from 27K centifugation for 1 hr (Ti50.2)
