| 3FHD: reference: Crystal structure of the shutoff and exonuclease protein from the oncogenic Kaposi's sarcoma-associated herpesvirus., Dahlroth SL, Gurmu D, Haas J, Erlandsen H, Nordlund P, FEBS J. 2009 Oct 16. PMID: 19843164 |
This OCA 
Structure page
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(documentation).