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. 2021 Feb 28;49(6):3490–3506. doi: 10.1093/nar/gkab066

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© The Author(s) 2021. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 8. — OZ2 binds two zinc atoms per polypeptide. (A) Amino acid sequence of the recombinant protein subjected to mass spectrometry analysis. Bolded sequences represent part of the recombinant OZ2 protein (aa 343–454), underlined are the two RanBP2Zn finger domains. Thrombin cleavages confirmed by MS are indicated by arrows. (B) Left, MS spectra indicate the projected mass for OZ2 under native conditions. At right, spectra are for denaturing conditions. The mass difference between the native and denatured conditions (126–127 Da) corresponds to the mass of two zinc atoms.