Search Results - "Korn, E.D"

Jasplakinolide, a cytotoxic natural product, induces actin polymerization and competitively inhibits the binding of phalloidin to F-actin by BUBB, M. R, SENDEROVICZ, A. M. J, SAUSVILLE, E. A, DUNCAN, K. L. K, KORN, E. D

“…Jasplakinolide, a naturally occurring cyclic peptide from the marine sponge, Jaspis johnstoni, has both fungicidal and antiproliferative activity. We now…”
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Substoichiometric concentrations of cytochalasin D inhibit actin polymerization. Additional evidence for an F-actin treadmill by Brenner, S L, Korn, E D

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Spectrin/actin complex isolated from sheep erythrocytes accelerates actin polymerization by simple nucleation. Evidence for oligomeric actin in the erythrocyte cytoskeleton by Brenner, S L, Korn, E D

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Comparative biochemistry of non-muscle actins by Gordon, D J, Boyer, J L, Korn, E D

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Stimulation of actin ATPase activity by cytochalasins provides evidence for a new species of monomeric actin by Brenner, S L, Korn, E D

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Acanthamoeba cofactor protein is a heavy chain kinase required for actin activation of the Mg2+-ATPase activity of Acanthamoeba myosin I by Maruta, H, Korn, E D

“…We have purified a cofactor protein previously shown (Pollard, T. D., and Korn, E. D. (1973) J. Biol. Chem. 248, 4691-4697) to be required for actin activation…”
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Enzymes of phospholipid metabolism in the plasma membrane of Acanthamoeba castellanii by Victoria, E J, Korn, E D

“…Phospholipase A, lyophospholipase, acyl CoA hydrolase, and palmitoyl CoA synthetase are present in the plasma membrane of Acanthamoeba castellanii. The first…”
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Myosin I is located at the leading edges of locomoting Dictyostelium amoebae by Fukui, Y, Chicago, IL, Lynch, T.J, Brzeska, H, Korn, E.D

“…Movement of a eukaryotic cell along a substrate occurs by extension of lamellipodia and pseudopodia at the anterior and retraction at the posterior of the…”
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Myosin I by Korn, E D, Hammer, 3rd, J A

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The interfaces of actin and Acanthamoeba actobindin. Identification of a new actin-binding motif by VANCOMPERNOLLE, K, VANDEKERCKHOVE, J, BUBB, M. R, KORN, E. D

“…Actobindin is an 88-amino acid polypeptide, containing two almost identical repeated domains of 33 and 34 residues. Depending on the molar ratios in which they…”
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Thermally Induced Unfolding of Acanthamoeba Myosin II and Skeletal Muscle Myosin: Nucleotide Effects by Zolkiewski, M., Redowicz, M.J., Korn, E.D., Ginsburg, A.

“…The thermal unfolding of monomeric Acanthamoeba myosin II and rabbit skeletal muscle myosin at pH 7.5 in 0.6 M KCl has been studied by differential scanning…”
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Inhibition of Acanthamoeba myosin I heavy chain kinase by Ca(2+)-calmodulin by H Brzeska, D Kulesza-Lipka, E D Korn

“…The actin-activated Mg(2+)-ATPase activity of Acanthamoeba myosins I depends on phosphorylation of their single heavy chains by myosin I heavy chain kinase…”
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Spectrin/actin complex isolated from sheep erythrocytes accelerates actin polymerization by simple nucleation. Evidence for oligomeric actin in the erthrocyte cytoskeleton by Brenner, S.L, Korn, E.D

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Spectrin-actin interaction. Phosphorylated and dephosphorylated spectrin tetramer cross-link F-actin by Brenner, S L, Korn, E D

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Effects of phosphorylation and nucleotides on the conformation of myosin II from Acanthamoeba castellanii by REDOWICZ, M. J, MARTIN, B, ZOLKIEWSKI, M, GINSBURG, A, KORN, E. D

“…The actin-activated Mg(2+)-ATPase activity of filamentous Acanthamoeba myosin II is inactivated by phosphorylation of a short non-helical tailpiece at the…”
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Limited proteolysis reveals a structural difference in the globular head domains of dephosphorylated and phosphorylated Acanthamoeba myosin II by Ganguly, C, Martin, B, Bubb, M, Korn, E D

“…Phosphorylation at three sites at the tip of the tail of myosin II from Acanthamoeba castellanii inactivates the actin-activated Mg(2+)-ATPase activity of…”
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The mechanisms of ATP hydrolysis accompanying the polymerization of Mg-actin and Ca-actin by Carlier, M.F., Pantaloni, D., Korn, E.D.

“…The hydrolysis of ATP that accompanies actin polymerization occurs on the F-actin subsequent to the elongation step. For Mg-actin, the rate of ATP hydrolysis…”
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Regulation of the actin-activated ATPase and in vitro motility activities of monomeric and filamentous Acanthamoeba myosin II by GANGULY, C, BAINES, I. C, KORN, E. D, SELLERS, J

“…The actin-activated Mg(2+)-ATPase activity of filamentous Acanthamoeba myosin II is inhibited by phosphorylation of 3 serine residues at the tip of the tail of…”
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Actin activation of Ca2+-sensitive Mg2+-ATPase activity of Acanthamoeba myosin II is enhanced by dephosphorylation of its heavy chains by Collins, J H, Korn, E D

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The effects of cytochalasins on actin polymerization and actin ATPase provide insights into the mechanism of polymerization by Brenner, S L, Korn, E D

“…Substoichiometric concentrations of cytochalasin D inhibited the rate of polymerization of actin in 0.5 mM MgCl2, increased its critical concentration and…”
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