1FLR:
reference: 1.85 A structure of anti-fluorescein 4-4-20 Fab., Whitlow M, Howard AJ, Wood JF, Voss EW Jr, Hardman KD, Protein Eng 1995 Aug;8(8):749-61. PMID: 8637844

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