Search Results - "DiGate, Russell"

Structural Studies of E. coli Topoisomerase III-DNA Complexes Reveal a Novel Type IA Topoisomerase-DNA Conformational Intermediate by Changela, Anita, DiGate, Russell J., Mondragón, Alfonso

“…Escherichia coli DNA topoisomerase III belongs to the type IA family of DNA topoisomerases, which transiently cleave single-stranded DNA (ssDNA) via a 5′…”
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Type I Topoisomerase Activity is Required for Proper Chromosomal Segregation in Escherichia coli by Zhu, Qing, Pongpech, Pintip, DiGate, Russell J.

“…Type I DNA topoisomerases are ubiquitous enzymes involved in many aspects of DNA metabolism. Escherichia coli possesses two type I topoisomerase activities,…”
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RecQ Helicase and Topoisomerase III Comprise a Novel DNA Strand Passage Function: A Conserved Mechanism for Control of DNA Recombination by Harmon, Frank G, DiGate, Russell J, Kowalczykowski, Stephen C

“…E. coli RecQ protein is a multifunctional helicase with homologs that include the S. cerevisiae Sgs1 helicase and the H. sapiens Wrn and Blm helicases. Here we…”
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Crystal structure of a complex of a type IA DNA topoisomerase with a single-stranded DNA molecule by Mondragón, Alfonso, Changela, Anita, DiGate, Russell J

“…A variety of cellular processes, including DNA replication, transcription, and chromosome condensation, require enzymes that can regulate the ensuing…”
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A role for topoisomerase III in a recombination pathway alternative to RuvABC by Lopez, Christopher R., Yang, Shirley, Deibler, Richard W., Ray, Starlight A., Pennington, Jeanine M., DiGate, Russell J., Hastings, P. J., Rosenberg, Susan M., Zechiedrich, E. Lynn

“…Summary The physiological role of topoisomerase III is unclear for any organism. We show here that the removal of topoisomerase III in temperature sensitive…”
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The Mechanism of Type IA Topoisomerase-Mediated DNA Topological Transformations by Li, Zhiyu, Mondragón, Alfonso, DiGate, Russell J

“…Type IA DNA topoisomerases possess several domains forming a toroidal molecule with a central hole large enough to accommodate single- or double-stranded DNA…”
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Pseudocontact shifts used in the restraint of the solution structures of electron transfer complexes by Guiles, R.D, Sarma, Siddhartha, DiGate, Russell J, Banville, Debra, Basus, Vladimir J, Kuntz, Irwin D, Waskell, Lucy

“…The geometry of the ferricytochrome b5-ferricytochrome c complex has been analysed using long-range interprotein paramagnetic dipolar shifts. Heteronuclear…”
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Effect of Axial Ligand Plane Reorientation on Electronic and Electrochemical Properties Observed in the A67V Mutant of Rat Cytochrome b 5 by Sarma, Siddhartha, DiGate, Russell J, Goodin, David B, Miller, Cary J, Guiles, R. D

“…Mutational studies directed at evaluating the effect of the axial ligand plane orientation on electrochemical properties of cytochrome b 5 have been performed…”
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Characterization of a Site-Directed Mutant of Cytochrome b 5 Designed To Alter Axial Imidazole Ligand Plane Orientation by Sarma, Siddhartha, Dangi, Bindi, Yan, ChunHua, DiGate, Russell J, Banville, D. L, Guiles, R. D

“…Mutants of cytochrome b 5 were designed to achieve reorientation of individual axial imidazole ligands. The orientation of the axial ligand planes is thought…”
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The traE Gene of Plasmid RP4 Encodes a Homologue of Escherichia coli DNA Topoisomerase III by Li, Zhiyu, Hiasa, Hiroshi, Kumar, Uplaksh, DiGate, Russell J.

“…The polypeptide encoded by the plasmid RP4traE gene shows extensive protein sequence similarity toEscherichia coli topB, the gene encoding DNA topoisomerase…”
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Effect of Axial Ligand Plane Reorientation on Electronic and Electrochemical Properties Observed in the A67V Mutant of Rat Cytochrome b5 by SARMA, Siddhartha, DIGATE, Russell J., GOODIN, David B., MILLER, Cary J., GUILES, R. D.

“…Mutational studies directed at evaluating the effect of the axial ligand plane orientation on electrochemical properties of cytochrome b5 have been performed…”
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RecQ Helicase and Topoisomerase III Comprise a Novel DNA Strand Passage Function by Harmon, Frank G, DiGate, Russell J, Kowalczykowski, Stephen C

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Purification of Crotonyl‐CoA Reductase from Streptomyces collinus and Cloning, Sequencing and Expression of the Corresponding Gene in Escherichia coli by Wallace, Kimberlee K., Bao, Zhuo‐Yao, Dai, Hong, Digate, Russell, Schuler, Gregory, Speedie, Marilyn K., Reynolds, Kevin A.

“…A crotonyl‐CoA reductase (EC 1.3.1.38, acyl‐CoA:NADP+trans ‐2‐oxidoreductase) catalyzing the conversion of crotonyl‐CoA to butyryl‐CoA has been purified and…”
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Characterization of a Site-Directed Mutant of Cytochrome b5 Designed To Alter Axial Imidazole Ligand Plane Orientation by SARMA, Siddhartha, DANGI, Bindi, YAN, ChunHua, DIGATE, Russell J., BANVILLE, D. L., GUILES, R. D.

“…Mutants of cytochrome b5 were designed to achieve reorientation of individual axial imidazole ligands. The orientation of the axial ligand planes is thought to…”
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Escherichia coli DNA Topoisomerase III Is a Site-specific DNA Binding Protein That Binds Asymmetrically to Its Cleavage Site (∗) by Zhang, Hong Liang, Malpure, Swati, DiGate, Russell J.

“…The binding of DNA topoisomerase III (Topo III) to a single-stranded DNA substrate containing a strong cleavage site has been examined. The minimal substrate…”
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The Role of the Carboxyl-terminal Amino Acid Residues in Escherichia coli DNA Topoisomerase III-mediated Catalysis (∗) by Zhang, Hong Liang, Malpure, Swati, Li, Zhiyu, Hiasa, Hiroshi, DiGate, Russell J.

“…The role that the carboxyl-terminal amino acids of Escherichia coli DNA topoisomerase I (Topo I) and III (Topo III) play in catalysis was examined by comparing…”
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The structure of Escherichia coli DNA topoisomerase III by Mondragón, Alfonso, DiGate, Russell

“…Background: DNA topoisomerases are enzymes that change the topology of DNA. Type IA topoisomerases transiently cleave one DNA strand in order to pass another…”
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Bacillus cereus DNA topoisomerase I and IIIalpha: purification, characterization and complementation of Escherichia coli TopoIII activity by Li, Zhiyu, Hiasa, Hiroshi, DiGate, Russell

“…The Bacillus cereus genome possesses three type IA topoisomerase genes. These genes, encoding DNA topoisomerase I and IIIalpha (bcTopo I, bcTopo IIIalpha),…”
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Characterization of a unique type IA topoisomerase in Bacillus cereus by Li, Zhiyu, Hiasa, Hiroshi, DiGate, Russell

“…Summary Bacillus cereus topoisomerase IIIβ (bcTopo IIIβ) has been cloned, overexpressed and biochemically characterized. This enzyme exhibits 64% and 33%…”
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Bacillus cereus DNA topoisomerase I and IIIα: purification, characterization and complementation of Escherichia coli TopoIII activity by Li, Zhiyu, Hiasa, Hiroshi, DiGate, Russell

“…The Bacillus cereus genome possesses three type IA topoisomerase genes. These genes, encoding DNA topoisomerase I and IIIα (bcTopo I, bcTopo IIIα), have been…”
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