Atelocollagen, Bovine dermis, 3mg/Ml, Cat. No. FNK-IPC-30, Store at 4°C, Size 50ml, Acidic collagen solution for tissue culturing, I-AC, pH 3.0 concentration: 0.3 % Sterile Collagen is an extracellular matrix found in the dermis, ligaments, bones, etc., and accounts for approximately 30% of the total protein in the human body. atelocollagen, Bovine dermis, 3mg/mL, Dermis in liquid fraction format, Collagen Gel research, Cell Culture grade, Bovine dermal type 1 atelocollagen material, 3D cell culture and collagen research.