3TMN:
reference: The binding of L-valyl-L-tryptophan to crystalline thermolysin illustrates the mode of interaction of a product of peptide hydrolysis., Holden HM, Matthews BW, J Biol Chem 1988 Mar 5;263(7):3256-60. PMID: 3343246

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