Non-hexameric DNA helicases and translocases: mechanisms and regulation

TM Lohman, EJ Tomko, CG Wu - Nature Reviews Molecular Cell …, 2008 - nature.com
Helicases and nucleic acid translocases are motor proteins that have essential roles in
nearly all aspects of nucleic acid metabolism, ranging from DNA replication to chromatin …

Triple gene block: modular design of a multifunctional machine for plant virus movement

SY Morozov, AG Solovyev - Journal of General Virology, 2003 - microbiologyresearch.org
Many plant virus genera encode a 'triple gene block'(TGB), a specialized evolutionarily
conserved gene module involved in the cell-to-cell and long-distance movement of viruses …

Systemic administration of epothilone B promotes axon regeneration after spinal cord injury

J Ruschel, F Hellal, KC Flynn, S Dupraz, DA Elliott… - Science, 2015 - science.org
After central nervous system (CNS) injury, inhibitory factors in the lesion scar and poor axon
growth potential prevent axon regeneration. Microtubule stabilization reduces scarring and …

[HTML][HTML] UvrD helicase unwinds DNA one base pair at a time by a two-part power stroke

JY Lee, W Yang - Cell, 2006 - cell.com
Helicases use the energy derived from nucleoside triphosphate hydrolysis to unwind double
helices in essentially every metabolic pathway involving nucleic acids. Earlier crystal …

Mechanisms of helicases

SS Patel, I Donmez - Journal of Biological Chemistry, 2006 - ASBMB
Helicase protein was first discovered in Escherichia coli in 1976 (1, 2). Since then RNA and
DNA helicases with diverse functions have been found in all organisms. Helicases couple …

Repetitive shuttling of a motor protein on DNA

S Myong, I Rasnik, C Joo, TM Lohman, T Ha - Nature, 2005 - nature.com
Many helicases modulate recombination, an essential process that needs to be tightly
controlled. Mutations in some human disease helicases cause increased recombination …

[HTML][HTML] Single-molecule studies reveal dynamics of DNA unwinding by the ring-shaped T7 helicase

DS Johnson, L Bai, BY Smith, SS Patel, MD Wang - Cell, 2007 - cell.com
Helicases are molecular motors that separate DNA strands for efficient replication of
genomes. We probed the kinetics of individual ring-shaped T7 helicase molecules as they …

Single-molecule analysis and engineering of DNA motors

S Mohapatra, CT Lin, XA Feng, A Basu, T Ha - Chemical reviews, 2019 - ACS Publications
Molecular motors are diverse enzymes that transduce chemical energy into mechanical
work and, in doing so, perform critical cellular functions such as DNA replication and …

[HTML][HTML] PcrA helicase dismantles RecA filaments by reeling in DNA in uniform steps

J Park, S Myong, A Niedziela-Majka, KS Lee, J Yu… - Cell, 2010 - cell.com
Translocation of helicase-like proteins on nucleic acids underlies key cellular functions.
However, it is still unclear how translocation can drive removal of DNA-bound proteins, and …

DNA-binding orientation and domain conformation of the E. coli rep helicase monomer bound to a partial duplex junction: single-molecule studies of fluorescently …

I Rasnik, S Myong, W Cheng, TM Lohman… - Journal of molecular …, 2004 - Elsevier
The SF1 DNA helicases are multi-domain proteins that can unwind duplex DNA in reactions
that are coupled to ATP binding and hydrolysis. Crystal structures of two such helicases …