Structure from PDB: 3AGX. (H) Detail of the helix α4 binding of NudC100–141 to DNAJB1CTDs. Relevant residues are shown in sticks. Residues of NudC involved in the interaction with DNAJB1 are labeled. (I) Alignment of the C-terminal tail of Hsp70 (blue) with the Hsp40-binding ...