| 4BA1: reference: Crystal structure of a 9-subunit archaeal exosome in pre-catalytic States of the phosphorolytic reaction., Lorentzen E, Conti E, Archaea. 2012;2012:721869. doi: 10.1155/2012/721869. Epub 2012 Dec 20. PMID: 23319881 |
This OCA 
Structure page
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(documentation).