Goat anti-Mouse IgG + IgM,, DyLight 633 conjugated, min w/human IgG or serum proteins is a secondary antibody conjugated to DyLight 633, which binds to mouse IgG + IgM in immunological assays. DyLight 633 has Amax = 638 nm, Emax = 658 nm. DyLight is a registered trade mark of Thermofisher Inc., and its subsidaries.