A protein complex required for the non-covalent folding or unfolding, maturation, stabilization or assembly or disassembly of macromolecular structures. Usually active during or immediately after completion of translation. Many chaperone complexes contain heat shock proteins. [ http://www.ncbi.nlm.nih.gov/pubmed/21855797 GOC:bhm ]
Term information
An example of this is HSP90AB1 in human (P08238) in PMID:21855797 (inferred from direct assay).