4GQP:
reference: Affinity improvement of a therapeutic antibody to methamphetamine and amphetamine through structure-based antibody engineering., Thakkar S, Nanaware-Kharade N, Celikel R, Peterson EC, Varughese KI, Sci Rep. 2014 Jan 14;4:3673. doi: 10.1038/srep03673. PMID: 24419156

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