| 2OAP: reference: Hexameric structures of the archaeal secretion ATPase GspE and implications for a universal secretion mechanism., Yamagata A, Tainer JA, EMBO J. 2007 Feb 7;26(3):878-90. Epub 2007 Jan 25. PMID: 17255937 |
This OCA 
Structure page
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(documentation).