EndoFit Ovalbumin Ovalbumin (OVA) is a key reference protein for immunization. Ovalbumin is the most abundant protein in chicken egg whites. Ovalbumin is a glycoprotein that is sufficiently large and complex to be mildly immunogenic. Consequently, ovalbumin is widely used as an antigen for immunization experiments. Commercially available ovalbumin is often contaminated with endotoxins which alter the results in vivo. EndoFit™ Ovalbumin is a high quality ovalbumin protein with an endotoxin level <1 EU/mg. EndoFit™ Ovalbumin is suitable for in vivo use. Applications: immunization CAS number: 9006-59-1 Molecular weight: ~ 45 kDa Endotoxin level: < 1 EU/mg Purity: minimum 98% protein (SDS-PAGE) Solubility: 20 mg/ml in water