4COT:
reference: The importance of the Abn2 calcium cluster in the endo-1,5-arabinanase activity from Bacillus subtilis., McVey CE, Ferreira MJ, Correia B, Lahiri S, de Sanctis D, Carrondo MA, Lindley PF, de Sa Nogueira I, Soares CM, Bento I, J Biol Inorg Chem. 2014 Feb 19. PMID: 24549757

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