1R1A:
reference: Crystal structure of human rhinovirus serotype 1A (HRV1A)., Kim SS, Smith TJ, Chapman MS, Rossmann MC, Pevear DC, Dutko FJ, Felock PJ, Diana GD, McKinlay MA, J Mol Biol 1989 Nov 5;210(1):91-111. PMID: 2555523

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