1IRH:
reference: Structural mechanism for heparin-binding of the third Kunitz domain of human tissue factor pathway inhibitor., Mine S, Yamazaki T, Miyata T, Hara S, Kato H, Biochemistry 2002 Jan 8;41(1):78-85. PMID: 11772005

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