1LDT:
reference: The three-dimensional structure of recombinant leech-derived tryptase inhibitor in complex with trypsin. Implications for the structure of human mast cell tryptase and its inhibition., Stubbs MT, Morenweiser R, Sturzebecher J, Bauer M, Bode W, Huber R, Piechottka GP, Matschiner G, Sommerhoff CP, Fritz H, Auerswald EA, J Biol Chem 1997 Aug 8;272(32):19931-7. PMID: 9242660

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