3K1E:
reference: Structure of an odorant-binding protein from the mosquito Aedes aegypti suggests a binding pocket covered by a pH-sensitive "Lid"., Leite NR, Krogh R, Xu W, Ishida Y, Iulek J, Leal WS, Oliva G, PLoS One. 2009 Nov 26;4(11):e8006. PMID: 19956631

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