2JTO:
reference: The NMR structure and dynamics of the two-domain tick carboxypeptidase inhibitor reveal flexibility in its free form and stiffness upon binding to human carboxypeptidase B., Pantoja-Uceda D, Arolas JL, Garcia P, Lopez-Hernandez E, Padro D, Aviles FX, Blanco FJ, Biochemistry. 2008 Jul 8;47(27):7066-78. Epub 2008 Jun 18. PMID: 18558717

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