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