1MXK:
reference: Structures of HO(2)-Co(III)bleomycin A(2) bound to d(GAGCTC)(2) and d(GGAAGCTTCC)(2): structure-reactivity relationships of Co and Fe bleomycins., Zhao C, Xia C, Mao Q, Forsterling H, DeRose E, Antholine WE, Subczynski WK, Petering DH, J Inorg Biochem 2002 Jul 25;91(1):259-68. PMID: 12121784

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