1SMA:
reference: Crystal structure of a maltogenic amylase provides insights into a catalytic versatility., Kim JS, Cha SS, Kim HJ, Kim TJ, Ha NC, Oh ST, Cho HS, Cho MJ, Kim MJ, Lee HS, Kim JW, Choi KY, Park KH, Oh BH, J Biol Chem 1999 Sep 10;274(37):26279-86. PMID: 10473583

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