Western blot analysis of Rat Kidney showing detection of ~21.6 kDa KRAS protein using Rabbit Anti-KRAS Polyclonal Antibody (SPC-777). Lane 1: Molecular Weight Ladder (MW). Lane 2: Rat Kidney. Load: 15 µg. Block: 5% Skim Milk in 1X TBST. Primary Antibody: Rabbit Anti-KRAS Polyclonal Antibody (SPC-777) at 1:1000 for 2 hours at RT. Secondary Antibody: Goat Anti-Rabbit IgG: HRP at 1:5000 for 1 hour at RT. Color Development: ECL solution for 5 min at RT. Predicted/Observed Size: ~21.6 kDa. Other Band(s): ~29 kDa (PTM).