1NLN:
reference: Crystallographic structure at 1.6-A resolution of the human adenovirus proteinase in a covalent complex with its 11-amino-acid peptide cofactor: insights on a new fold., McGrath WJ, Ding J, Didwania A, Sweet RM, Mangel WF, Biochim Biophys Acta 2003 May 30;1648(1-2):1-11. PMID: 12758141

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