5JST:
reference: ACCORD: an assessment tool to determine the orientation of homodimeric coiled-coils., Kim BW, Jung YO, Kim MK, Kwon DH, Park SH, Kim JH, Kuk YB, Oh SJ, Kim L, Kim BH, Yang WS, Song HK, Sci Rep. 2017 Mar 7;7:43318. doi: 10.1038/srep43318. PMID: 28266564

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