Results 41 to 50 of about 177,004 (319)

Probabilistic models of biological enzymatic polymerization.

open access: yesPLoS ONE, 2021
In this study, hierarchies of probabilistic models are evaluated for their ability to characterize the untemplated addition of adenine and uracil to the 3' ends of mitochondrial mRNAs of the human pathogen Trypanosoma brucei, and for their generative ...
Marshall Hampton   +3 more
doaj   +1 more source

Interaction of low-energy electrons with the purine bases, nucleosides, and nucleotides of DNA [PDF]

open access: yes, 2006
The authors report results from computational studies of the interaction of low-energy electrons with the purine bases of DNA, adenine and guanine, as well as with the associated nucleosides, deoxyadenosine and deoxyguanosine, and the nucleotide ...
McKoy, Vincent, Winstead, Carl
core   +1 more source

Pathways of adenine nucleotide catabolism in erythrocytes. [PDF]

open access: yesJournal of Clinical Investigation, 1986
The exact pathway whereby the initial catabolism of the adenine nucleotides proceeds from AMP and the possibility of a recycling of adenosine were investigated in human erythrocytes. Adenine nucleotide catabolism, reflected by the production of hypoxanthine, is very slow under physiologic conditions and can be greatly increased by suppression of ...
Bontemps, Françoise   +2 more
openaire   +4 more sources

The Human SLC25A33 and SLC25A36 Genes of Solute Carrier Family 25 Encode Two Mitochondrial Pyrimidine Nucleotide Transporters [PDF]

open access: yes, 2014
The human genome encodes 53 members of the solute carrier family 25 (SLC25), also called the mitochondrial carrier family, many of which have been shown to transport inorganic anions, amino acids, carboxylates, nucleotides, and coenzymes across the inner
Agrimi, G.   +6 more
core   +2 more sources

Using in silico models to simulate dual perturbation experiments: procedure development and interpretation of outcomes. [PDF]

open access: yes, 2009
BackgroundA growing number of realistic in silico models of metabolic functions are being formulated and can serve as 'dry lab' platforms to prototype and simulate experiments before they are performed.
Jamshidi, Neema, Palsson, Bernhard O
core   +3 more sources

Binding of adenine nucleotides to mitochondrial membrane [PDF]

open access: yesFEBS Letters, 1975
It has been reported from different laboratories [l-4] that mitochondria are capable of binding ATP. However the exact magnitude of binding, and the relevance of this process to the mechanism of oxidative phosphorylation are still unknown, due to the extremely low amounts of bound nucleotides, and to some difficulties in carrying out the measurements ...
Giovanna Carignani   +2 more
openaire   +3 more sources

Genetic Predisposition To Acquire a Polybasic Cleavage Site for Highly Pathogenic Avian Influenza Virus Hemagglutinin

open access: yesmBio, 2017
Highly pathogenic avian influenza viruses with H5 and H7 hemagglutinin (HA) subtypes evolve from low-pathogenic precursors through the acquisition of multiple basic amino acid residues at the HA cleavage site. Although this mechanism has been observed to
Naganori Nao   +12 more
doaj   +1 more source

Hoogsteen base pairs proximal and distal to echinomycin binding sites on DNA [PDF]

open access: yes, 1987
Forms of the DNA double helix containing non-Watson-Crick base-pairing have been discovered recently based on x-ray diffraction analysis of quinoxaline antibiotic-oligonucleotide complexes.
Dervan, Peter B., Mendel, David
core   +2 more sources

Water-mediated recognition of t1-adenosine anchors Argonaute2 to microRNA targets

open access: yeseLife, 2015
MicroRNAs (miRNAs) direct post-transcriptional regulation of human genes by guiding Argonaute proteins to complementary sites in messenger RNAs (mRNAs) targeted for repression.
Nicole T Schirle   +4 more
doaj   +1 more source

Highly Efficient CRISPR-Mediated Base Editing in Sinorhizobium meliloti

open access: yesFrontiers in Microbiology, 2021
Rhizobia are widespread gram-negative soil bacteria and indispensable symbiotic partners of leguminous plants that facilitate the most highly efficient biological nitrogen fixation in nature.
Longxiang Wang   +6 more
doaj   +1 more source

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