1QDT:
reference: Binding of calcium in the EF-hand of Escherichia coli lytic transglycosylase Slt35 is important for stability., van Asselt EJ, Dijkstra BW, FEBS Lett 1999 Sep 24;458(3):429-35. PMID: 10570954

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