5V4G:
reference: The metalation of hen egg white lysozyme impacts protein stability as shown by ion mobility mass spectrometry, differential scanning calorimetry, and X-ray crystallography., Sullivan MP, Groessl M, Meier SM, Kingston RL, Goldstone DC, Hartinger CG, Chem Commun (Camb). 2017 Apr 11;53(30):4246-4249. doi: 10.1039/c6cc10150j. PMID: 28361137

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