APBSmem is a Java-based graphical user interface for Poisson-Boltzmann electrostatics calculations at the membrane. APBS version 1.2.0 or later is required. 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 62 Reviews Unlimited Calling, Faxing, Video Conferencing 24/7 U.S Based Customer Support Super Reliable, Simple to Use