Donkey anti-Sheep IgG (H&L) - DyLight 633 Conjugated is a secondary antibody conjugated to DyLight 633, which binds to sheep IgG (H&L) in immunological assays. DyLight 633 has Amax = 638 nm, Emax = 658 nm. Antibodies are are affinity purified using solid phase sheep IgG (H&L).DyLight is a registered trade mark of Thermofisher Inc., and its subsidaries.