2KE3:
reference: Functional and structural characterization of a dense core secretory granule sorting domain from the PC1/3 protease., Dikeakos JD, Di Lello P, Lacombe MJ, Ghirlando R, Legault P, Reudelhuber TL, Omichinski JG, Proc Natl Acad Sci U S A. 2009 May 5;106(18):7408-13. Epub 2009 Apr 17. PMID: 19376969

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