2BJM:
reference: Structure and kinetics of a transient antibody binding intermediate reveal a kinetic discrimination mechanism in antigen recognition., James LC, Tawfik DS, Proc Natl Acad Sci U S A. 2005 Sep 6;102(36):12730-5. Epub 2005 Aug 29. PMID: 16129832

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