Abstract
Hsc70 is the constitutively expressed mammalian heat shock 70kDa (Hsp70) cytosolic chaperone. It plays a central role in cellular proteostasis and protein trafficking. Here, we present the backbone and methyl group assignments for the 386-residue nucleotide binding domain of the human protein. This domain controls the chaperone's allostery, binds multiple co-chaperones and is the target of several classes of known chemical Hsp70 inhibitors. The NMR assignments are based on common triple resonance experiments with triple labeled protein, and on several 15N and 13C-resolved 3D NOE experiments with methyl-reprotonated samples. A combination of computer and manual data interpretation was used.
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