1YSC:
reference: 2.8-A structure of yeast serine carboxypeptidase., Endrizzi JA, Breddam K, Remington SJ, Biochemistry 1994 Sep 20;33(37):11106-20. PMID: 7727362

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