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Mechanisms of opening and closing of the bacterial replicative helicase.
Chase J, Catalano A, Noble AJ, Eng ET, Olinares PD, Molloy K, Pakotiprapha D, Samuels M, Chait B, des Georges A, Jeruzalmi D. Chase J, et al. Elife. 2018 Dec 24;7:e41140. doi: 10.7554/eLife.41140. Elife. 2018. PMID: 30582519 Free PMC article.
Assembly of bacterial ring-shaped hexameric replicative helicases on single-stranded (ss) DNA requires specialized loading factors. However, mechanisms implemented by these factors during opening and closing of the helicase, …
Assembly of bacterial ring-shaped hexameric replicative helicases on single-stranded (ss) DNA requires specializ …
Physical Basis for the Loading of a Bacterial Replicative Helicase onto DNA.
Arias-Palomo E, Puri N, O'Shea Murray VL, Yan Q, Berger JM. Arias-Palomo E, et al. Mol Cell. 2019 Apr 4;74(1):173-184.e4. doi: 10.1016/j.molcel.2019.01.023. Epub 2019 Feb 20. Mol Cell. 2019. PMID: 30797687 Free PMC article.
In cells, dedicated AAA+ ATPases deposit hexameric, ring-shaped helicases onto DNA to initiate chromosomal replication. To better understand the mechanisms by which helicase loading can occur, we used cryo-EM to determine sub-4-A-resolution stru …
In cells, dedicated AAA+ ATPases deposit hexameric, ring-shaped helicases onto DNA to initiate chromosomal replication. …
Convergent evolution in two bacterial replicative helicase loaders.
Chase J, Berger J, Jeruzalmi D. Chase J, et al. Trends Biochem Sci. 2022 Jul;47(7):620-630. doi: 10.1016/j.tibs.2022.02.005. Epub 2022 Mar 26. Trends Biochem Sci. 2022. PMID: 35351361 Free PMC article. Review.
Dedicated loader proteins play essential roles in bacterial DNA replication by opening ring-shaped DnaB-family helicases and chaperoning single-stranded (ss)DNA into a central motor chamber as a prelude to DNA unwinding. ...Physica …
Dedicated loader proteins play essential roles in bacterial DNA replication by opening ring-shaped DnaB-family …
DnaB and DciA: Mechanisms of Helicase Loading and Translocation on ssDNA.
Gao N, Mazzoletti D, Peng A, Olinares PDB, Morrone C, Garavaglia A, Gouda N, Tsoy S, Mendoza A, Chowdhury A, Cerullo A, Bhavsar H, Rossi F, Rizzi M, Chait BT, Miggiano R, Jeruzalmi D. Gao N, et al. bioRxiv [Preprint]. 2024 Nov 9:2024.11.09.622779. doi: 10.1101/2024.11.09.622779. bioRxiv. 2024. PMID: 39574654 Free PMC article. Preprint.
Replicative helicases are assembled on chromosomes by helicase loaders before initiation of DNA replication. Here, we investigate mechanisms used by the bacterial DnaB replicative helicase and the DciA helicase …
Replicative helicases are assembled on chromosomes by helicase loaders before initiation of DNA replication …