The DNA sequences encoding C1B-C2 (residues 100–293), isolated C1B (residues 100–152) or C2 (residues 155–293) of PKCα (M. musculus for C1B-C2 and C1B; R. Norvegicus for C2) were amplified by PCR using the cDNA clone of PKCα (Open Biosystems) as a template and cloned into the pET-SUMO vector (Invitrogen). Isolated C1B, C2, and C1B-C2 were expressed and purified as described previously (Morales et al., 2011 (link); Stewart et al., 2011 (link); Cole et al., 2019 (link)). [U-15N, 75%-2H]-enriched C1B-C2 and [U-15N]- or [U-13C, 15N]-enriched C1B were used for the NMR experiments.
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