DNAJC9 integrates heat shock molecular chaperones into the histone chaperone network
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DNAJC9 integrates heat shock molecular chaperones into the histone chaperone network. / Hammond, Colin M; Bao, Hongyu; Hendriks, Ivo A; Carraro, Massimo; García-Nieto, Alberto; Liu, Yanhong; Reverón-Gómez, Nazaret; Spanos, Christos; Chen, Liu; Rappsilber, Juri; Nielsen, Michael L; Patel, Dinshaw J; Huang, Hongda; Groth, Anja.
In: Molecular Cell, Vol. 81, No. 12, 2021, p. 2533-2548.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - DNAJC9 integrates heat shock molecular chaperones into the histone chaperone network
AU - Hammond, Colin M
AU - Bao, Hongyu
AU - Hendriks, Ivo A
AU - Carraro, Massimo
AU - García-Nieto, Alberto
AU - Liu, Yanhong
AU - Reverón-Gómez, Nazaret
AU - Spanos, Christos
AU - Chen, Liu
AU - Rappsilber, Juri
AU - Nielsen, Michael L
AU - Patel, Dinshaw J
AU - Huang, Hongda
AU - Groth, Anja
PY - 2021
Y1 - 2021
N2 - From biosynthesis to assembly into nucleosomes, histones are handed through a cascade of histone chaperones, which shield histones from non-specific interactions. Whether mechanisms exist to safeguard the histone fold during histone chaperone handover events or to release trapped intermediates is unclear. Using structure-guided and functional proteomics, we identify and characterize a histone chaperone function of DNAJC9, a heat shock co-chaperone that promotes HSP70-mediated catalysis. We elucidate the structure of DNAJC9, in a histone H3-H4 co-chaperone complex with MCM2, revealing how this dual histone and heat shock co-chaperone binds histone substrates. We show that DNAJC9 recruits HSP70-type enzymes via its J domain to fold histone H3-H4 substrates: upstream in the histone supply chain, during replication- and transcription-coupled nucleosome assembly, and to clean up spurious interactions. With its dual functionality, DNAJC9 integrates ATP-resourced protein folding into the histone supply pathway to resolve aberrant intermediates throughout the dynamic lives of histones.
AB - From biosynthesis to assembly into nucleosomes, histones are handed through a cascade of histone chaperones, which shield histones from non-specific interactions. Whether mechanisms exist to safeguard the histone fold during histone chaperone handover events or to release trapped intermediates is unclear. Using structure-guided and functional proteomics, we identify and characterize a histone chaperone function of DNAJC9, a heat shock co-chaperone that promotes HSP70-mediated catalysis. We elucidate the structure of DNAJC9, in a histone H3-H4 co-chaperone complex with MCM2, revealing how this dual histone and heat shock co-chaperone binds histone substrates. We show that DNAJC9 recruits HSP70-type enzymes via its J domain to fold histone H3-H4 substrates: upstream in the histone supply chain, during replication- and transcription-coupled nucleosome assembly, and to clean up spurious interactions. With its dual functionality, DNAJC9 integrates ATP-resourced protein folding into the histone supply pathway to resolve aberrant intermediates throughout the dynamic lives of histones.
U2 - 10.1016/j.molcel.2021.03.041
DO - 10.1016/j.molcel.2021.03.041
M3 - Journal article
C2 - 33857403
VL - 81
SP - 2533
EP - 2548
JO - Molecular Cell
JF - Molecular Cell
SN - 1097-2765
IS - 12
ER -
ID: 261516406