Collagen IV is a ubiquitous component of basement membranes, the sheet-like matrix that underlies epithelial and endothelial cells and surrounds muscle fat and nerve cells. It can be used as a thin coating on tissue culture surfaces to promote cell attachment and proliferation and to study its effects on cell behaviour.

Quality controlled by SDS-PAGE and tested and found negative for bacteria, fungi, and mycoplasma. Source material tested for hepatitis B antigen and HIV-1 antibody