Results 41 to 50 of about 57,313 (306)

The effects of calcium and magnesium ions on the adenosine triphosphatase and inosine triphosphatase activities of myosin A [PDF]

open access: yesBiochemical Journal, 1969
1. The effects of Ca2+ and Mg2+ on the enzymic activity of myosin were studied with myosin preparations treated by the ion-exchange resin Chelex-100. A reaction mixture containing 0·05m-potassium chloride was chosen in which the effects of univalent ions such as K+, Na+ and Cl− do not change significantly with small variations in their concentrations ...
T. Nihei, E. A. Sugden
openaire   +3 more sources

Type I Collagen Receptor (α2β1) Signaling Promotes Prostate Cancer Invasion through RhoC GTPase

open access: yesNeoplasia: An International Journal for Oncology Research, 2008
The most frequent site of metastasis in human prostate cancer (PCa) is the bone. Preferential adhesion of PCa cells to bone-specific factors may facilitate the selective metastasis of the skeleton.
Christopher L. Hall   +5 more
doaj   +1 more source

Dynein structure and power stroke [PDF]

open access: yes, 2003
Dynein ATPases are microtubule motors that are critical to diverse processes such as vesicle transport and the beating of sperm tails; however, their mechanism of force generation is unknown.
A Elliot   +40 more
core   +1 more source

Endogenous Mammalian Cardiotonic Steroids—A New Cardiovascular Risk Factor?—A Mini-Review

open access: yesLife, 2021
The role of endogenous mammalian cardiotonic steroids (CTS) in the physiology and pathophysiology of the cardiovascular system and the kidneys has interested researchers for more than 20 years. Cardiotonic steroids extracted from toads or plants, such as
Natalia Słabiak-Błaż, Grzegorz Piecha
doaj   +1 more source

Late-onset thymidine kinase 2 deficiency: a review of 18 cases [PDF]

open access: yes, 2019
BACKGROUND: TK2 gene encodes for mitochondrial thymidine kinase, which phosphorylates the pyrimidine nucleosides thymidine and deoxycytidine. Recessive mutations in the TK2 gene are responsible for the 'myopathic form' of the mitochondrial depletion ...
Caballero Eraso, Candelaria   +9 more
core   +1 more source

High inorganic triphosphatase activities in bacteria and mammalian cells: identification of the enzymes involved. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: We recently characterized a specific inorganic triphosphatase (PPPase) from Nitrosomonas europaea. This enzyme belongs to the CYTH superfamily of proteins.
Gregory Kohn   +10 more
doaj   +1 more source

MgATP-induced inhibition of the adenosine triphosphatase activity of the chloroform-released mitochondrial adenosine triphosphatase [PDF]

open access: yesBiochemical Journal, 1981
1. Preincubation of the ox heart chloroform-released mitochondrial ATPase with MgATP results in a time-dependent inhibition of ATPase activity. No re-activation occurs when MgATP remains in the preincubation medium. The enzyme activity returns when all the MgATP in the preincubation system has been hydrolysed. 2.
P N Lowe, R B Beechey
openaire   +3 more sources

RNA 5′-Triphosphatase, Nucleoside Triphosphatase, and Guanylyltransferase Activities of Baculovirus LEF-4 Protein [PDF]

open access: yesJournal of Virology, 1998
ABSTRACT Autographa californica nuclear polyhedrosis virus late and very late mRNAs are transcribed by an RNA polymerase consisting of four virus-encoded polypeptides: LEF-8, LEF-9, LEF-4, and p47. The 464-amino-acid LEF-4 subunit contains the signature motifs of GTP:RNA guanylyltransferases (capping enzymes).
Christian H. Gross, Stewart Shuman
openaire   +3 more sources

Synonymous mutation in adenosine triphosphatase copper‐transporting beta causes enhanced exon skipping in Wilson disease

open access: yesHepatology Communications, 2022
Wilson disease (WD) is caused by biallelic pathogenic variants in adenosine triphosphatase copper‐transporting beta (ATP7B); however, genetic testing identifies only one or no pathogenic ATP7B variant in a number of patients with WD.
Marlene Panzer   +26 more
doaj   +1 more source

An electron cytochemical demonstration and biochemical analysis of adenosine triphosphatase activity in cancer cell plasma membrane [PDF]

open access: yes, 1968
1. The studies of structure and function of the plasma membranes of cancer cells is extremely important for the elucidation of specificity of phenotypes of cancer cells.
Koshiba, Kimikazu
core   +1 more source

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