Western blot analysis of Human 293 Trap cell lysates showing detection of ~28.7 kDa PCNA protein using Rabbit Anti-PCNA Polyclonal Antibody (ASM10550). Lane 1: Molecular Weight Ladder (MW). Lane 2: Human 293Trap cell lysates. Load: 15 µg . Block: 5% Skim Milk in 1X TBST. Primary Antibody: Rabbit Anti-PCNA Polyclonal Antibody (ASM10550) at 1:1000 for 1 hour. Secondary Antibody: Goat Anti-Rabbit HRP at 1:2000 for 1 hour RT with shaking. Color Development: ECL solution for 6 min in RT. Predicted/Observed Size: ~28.7 kDa.