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. 2016 Apr 8;6:165–171. doi: 10.1016/j.bbrep.2016.04.002

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© 2016 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 1. — Characterization of the protein interacting partners. (A) Primary structure alignment of mouse NPM2 and NPM3 (M.NPM2/MNPM3) in comparison to Xenopus NPM2 (X.NPM2) and cartoon representation highlighting the position of the three acidic tracts (A1, A2 and A3) and the nuclear localization signal (NLS). The arrow indicates the beta-stranded region. (B) SDS-PAGE analysis of M.NPM2 before (B-) and after boiling (B+) the sample, in comparison to a protein (PM) and a chicken histone marker (CM). M: monomer; P: pentamer. (C) Isolation (1) and purification (2) of the mouse testes sperm nuclear basic proteins (SNBPs) and histone octamers (3). (D) Amino acid sequence of mouse protamines P1 and P2, Reference Sequences: P02319 and NP_032959, respectively.