Results 31 to 40 of about 2,395,071 (348)
Bio-Protocol, 2014 Helicases are a class of enzymes which are motor proteins using energy derived from ATP hydrolysis to move directionally along a nucliec acid phosphodiester backbone (such as DNA, RNA and DNA-RNA hybrids) and separate two annealed nucleic acid strands ...
Xin Wang +3 more
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Site-specific DNA Mapping of Protein Binding Orientation Using Azidophenacyl Bromide (APB)
Bio-Protocol, 2020 The orientation of a DNA-binding protein bound on DNA is determinative in directing the assembly of other associated proteins in the complex for enzymatic action.
Himasha Perera, Michael Trakselis
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Nucleic Acids Research, 1985 A forked DNA was constructed to serve as a substrate for DNA helicases. It contains features closely resembling a natural replication fork. The DNA was prepared in large amounts and was used to assay displacement activity during isolation from calf thymus DNA polymerases alpha holoenzyme. One form of DNA polymerase alpha holoenzyme is possibly involved
U, Hübscher, H P, Stalder
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ATPase mechanism of the 5'-3' DNA helicase, RecD2: evidence for a pre-hydrolysis conformation change [PDF]
, 2013 The superfamily 1 helicase, RecD2, is a monomeric, bacterial enzyme with a role in DNA repair, but with 5'-3' activity unlike most enzymes from this superfamily. Rate constants were determined for steps within the ATPase cycle of RecD2 in the presence of
Webb, Martin R, Toseland, Christopher P.
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Molecular and cellular functions of the FANCJ DNA helicase defective in cancer and in Fanconi anemia
Frontiers in Genetics, 2014 The FANCJ DNA helicase is mutated in hereditary breast and ovarian cancer as well as the progressive bone marrow failure disorder Fanconi anemia (FA). FANCJ is linked to cancer suppression and DNA double strand break repair through its direct interaction
R. Brosh, S. Cantor
semanticscholar +1 more source
eLife, 2018 Meiotic cells undergo a single round of DNA replication followed by two rounds of chromosome segregation (the meiotic divisions) to produce haploid gametes.
David V Phizicky +2 more
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BMC Biology, 2014 G-quadruplexes (G4s) are stable non-canonical DNA secondary structures consisting of stacked arrays of four guanines, each held together by Hoogsteen hydrogen bonds.
Nasim Sabouri, J. Capra, V. Zakian
semanticscholar +1 more source
The DNA helicase Pfh1 promotes fork merging at replication termination sites to ensure genome stability [PDF]
, 2012 Bidirectionally moving DNA replication forks merge at termination sites composed of accidental or programmed DNA-protein barriers. If merging fails, then regions of unreplicated DNA can result in the breakage of DNA during mitosis, which in turn can give
Steinacher, R. +14 more
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Cell Reports, 2019 Summary: Progression of DNA replication depends on the ability of the replisome complex to overcome nucleoprotein barriers. During eukaryotic replication, the CMG helicase translocates along the leading-strand template and unwinds the DNA double helix ...
Hazal B. Kose +3 more
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DNA helicases and their roles in cancer
DNA Repair, 2020 DNA helicases, known for their fundamentally important roles in genomic stability, are high profile players in cancer. Not only are there monogenic helicase disorders with a strong disposition to cancer, it is well appreciated that helicase variants are associated with specific cancers (e.g., breast cancer).
Srijita, Dhar +2 more
openaire +2 more sources