1S94:
reference: Crystal structure of the Habc domain of neuronal syntaxin from the squid Loligo pealei reveals conformational plasticity at its C-terminus., Bracher A, Weissenhorn W, BMC Struct Biol 2004 Mar 15;4(1):6. PMID: 15113421

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