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. 2012 Jan 10;40(9):3898–3912. doi: 10.1093/nar/gkr1296

Figure 5.

Figure 5.

T98 is not a phosphorylation site and the T98A mutation disturbs the folding and pT-binding of the FHA domain. (A) Phosphorylation of MDC1 FHA proteins by HeLa cell nuclear extracts (NE) in the presence of 32P-γ-ATP. (B) SMT3-MDC12–133 and its T98A mutant were eluted in a Superdex 200 10/300 GL column and in buffer 20 mM sodium phosphate (pH 7.6) and 250 mM NaCl. SDS-PAGE gels of the fractions are shown at the bottom. (C) ITC analysis of SMT3-MDC12–133 and its T98A mutant with phosphopeptide pT4-8P in 20 mM sodium phosphate (pH 7.6) and 250 mM NaCl.