Western blot analysis of HRP-GAPDH in 293, A431, A549, Daudi, HeLa, HepG2, Jurkat, K562, MOLT4, 3T3, Raji, Ramos, THP-1, U937, human brain, mouse brain, rat brain, rabbit brain, mouse lung, rat lung, mouse liver, rat liver, and chicken small intestine lysate with HRP-GAPDH antibody at 1ug/ml.