1acx is a 1 chain structure with sequence from Streptomyces globisporus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
ATXA_STRGL Binds non-covalently to a chromophore which is the cytotoxic and mutagenic component of the antibiotic. The chromophore binds to DNA as a weak intercalator and causes single- and double-strand breaks.