Donkey anti-Rat IgG (H&L) - DyLight550 Conjugated, min. cross-reactivity to bovine, chicken, goat, guinea pig, hamster, horse, human,mouse, rat or sheep IgG is a secondary antibody conjugated to DyLight 550, which binds to all rat IgG (H&L) in immunological assays. DyLight 550 has Amax = 562 nm, Emax = 576 nm. Antibodies are are affinity purified using solid phase rat IgG (H&L).DyLight is a registered trade mark of Thermofisher Inc., and its subsidaries.