| 1CYY: Crystal Structure Of The 30 Kda Fragment Of E. Coli Dna Topo I. Hexagonal Form reference: Conformational changes in E. coli DNA topoisomerase I., Feinberg H, Lima CD, Mondragon A, Nat Struct Biol 1999 Oct;6(10):918-22. PMID: 10504724 |
This OCA 
Structure page
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(documentation).