1SGF:
reference: Structure of mouse 7S NGF: a complex of nerve growth factor with four binding proteins., Bax B, Blundell TL, Murray-Rust J, McDonald NQ, Structure 1997 Oct 15;5(10):1275-85. PMID: 9351801

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).