Type XIX collagen purified from human umbilical cord is characterized by multiple sharp kinks delineating collagenous subdomains and by intermolecular aggregates via globular, disulfide-linked, and heparin-binding amino termini.
Myers JC, Li D, Amenta PS, Clark CC, Nagaswami C, Weisel JW. J Biol Chem. 2003 Aug 22; 278(34):32047-57. Epub 2003 Jun 3.