Source:http://linkedlifedata.com/resource/umls/id/C1523894
GO: A large, extracellular glycoprotein complex composed of three different polypeptide chains, alpha, beta and gamma. Provides an integral part of the structural scaffolding of basement membranes. [GOC:jl, http://www.sdbonline.org/fly/newgene/laminna1.htm, PMID:10842354]