Cross-reactivity (RIA%): Mouse Collagen Type IV 100% Mouse Collagen Types I, III <0.1% Human Collagen Type IV, V <0.1% <0.1% Mouse Fibronectin <0.1% Mouse Laminin

Lyophilized: Short-term (up to 2 years) store at 2-8 °C. Long term store at -20 °C. Reconstituted: Aliquot and store at -20 °C. Avoid multiple freeze/thaw cycles.