2J6C:
reference: Crystal structure of AFV3-109, a highly conserved protein from crenarchaeal viruses., Keller J, Leulliot N, Cambillau C, Campanacci V, Porciero S, Prangishvilli D, Forterre P, Cortez D, Quevillon-Cheruel S, van Tilbeurgh H, Virol J. 2007 Jan 22;4:12. PMID: 17241456

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