Results 201 to 210 of about 34,064 (250)

Spermine: A Hemoglobin Modifier That Reduces Autoxidation and Regulates Oxygen Delivery. [PDF]

Int J Mol Sci
Shu P, Chu Z, You G, Li W, Chen Y, Jin H, Zhou H, Wang Y, Zhao L.   +8 more
europepmc   +1 more source

Beyond the Fixed Charge: A New On-Tissue Derivatisation Strategy Employing Photoionisable Chromophores for Mass Spectrometry Imaging of Amino-Containing Metabolites. [PDF]

Angew Chem Int Ed Engl
McGowan SR, Tague AJ, Kumar AA, Ranson M, Hyland CJT, Ellis SR.   +5 more
europepmc   +1 more source

Spermine synthase [PDF]

Cellular and Molecular Life Sciences, 2009
Spermine is present in many organisms including animals, plants, some fungi, some archaea, and some bacteria. It is synthesized by spermine synthase, a highly specific aminopropyltransferase. This review describes spermine synthase structure, genetics, and function.
Anthony J Michael, Anthony E Pegg
exaly   +3 more sources

Putative spermine synthases from Thalassiosira pseudonana and Arabidopsis thaliana synthesize thermospermine rather than spermine

FEBS Letters, 2007
Polyamines are involved in many fundamental cellular processes. Common polyamines are putrescine, spermidine and spermine. Spermine is synthesized by transfer of an aminopropyl residue derived from decarboxylated S-adenosylmethionine to spermidine ...
Manfred Sumper
exaly   +2 more sources

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Interaction of spermine and DNA

Biopolymers, 1967
AbstractThe effect of spermine upon the denaturation temperature (Tm) of DNA's of various base compositions has been found to depend upon both the base composition of the DNA and the pH of the solution. Measurement of the hydrogen ion titration curve of spermine as a function of temperature reveals that the net charge of the spermine molecule is ...
S, Hirschman, M, Leng, G, Felsenfield
openaire   +2 more sources

New oxaanalogues of spermine

Russian Journal of Bioorganic Chemistry, 2005
A new isosteric charge-deficient spermine analogue, 1,12-diamino-4,9-diaza-5-oxadodecan, and O-(7-amino-4-azaheptyl)oxime of 3-aminopropanal, a stable analogue of the Schiff base intermediate in the enzymatic oxidation of spermine, were synthesized. The possible use of these compounds for the inhibition of spermine oxidase is discussed.
A R, Khomutov, A R, Simonian, J, Vespalainen, T A, Keinanen, L, Alhonen, J, Janne   +5 more
openaire   +2 more sources

On the antimutagenic effect of spermine

Experientia, 1967
La spermine n'offre aucune protection contre la reversion des mutants derII chezEscherichia coliphage T4, quoiqu'on ait constate qu'elle antimutagenique chezE. coli.
openaire   +2 more sources

Spermine and spermidine in blood cells, and a possible occurrence of spermine in cell nucleus

Archives of Biochemistry and Biophysics, 1965
Abstract The concentrations of spermine and spermidine were determined in blood of five different mammalian species whose erythrocytes lack nuclei and of four different species of other vertebrates whose erythrocytes have nuclei. Concentration of spermine was high in blood cells of nonmammals in comparison with a very low concentration in mammalian ...
H, SHIMIZU, Y, KAKIMOTO, I, SANO
openaire   +2 more sources