1970
DOI: 10.1016/0005-2787(70)90590-3
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Triplet-triplet energy transfer from histone to DNA in deoxyribonucleohistone

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Cited by 14 publications
(3 citation statements)
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“…Tyrosyl residues have been implicated in the active sites of two enzymes involved in the processing of DNA: Staphylococcus aureus extracellular nuclease, by X-ray diffraction (Arnone et al., 1971), and pancreatic deoxyribonuclease 1, by chemical modification (Hugli and Stein, 1971). Fluorescence studies have indicated an interaction between the tyrosyl residues of histones and DNA (Matsuyama and Nagata, 1970). The tyrosyl-rich amino-terminal portion of the lac repressor apparently contains the amino acid sequence which binds to the lac operator (Adler et al, 1972;Beyreuther et al, 1973).…”
Section: Discussionmentioning
confidence: 99%
“…Tyrosyl residues have been implicated in the active sites of two enzymes involved in the processing of DNA: Staphylococcus aureus extracellular nuclease, by X-ray diffraction (Arnone et al., 1971), and pancreatic deoxyribonuclease 1, by chemical modification (Hugli and Stein, 1971). Fluorescence studies have indicated an interaction between the tyrosyl residues of histones and DNA (Matsuyama and Nagata, 1970). The tyrosyl-rich amino-terminal portion of the lac repressor apparently contains the amino acid sequence which binds to the lac operator (Adler et al, 1972;Beyreuther et al, 1973).…”
Section: Discussionmentioning
confidence: 99%
“…This is the situation for the histones. It is therefore interesting to note that Matsuyama and Nagata (1970) reported triplet-triplet energy transfer from histone to DNA in nucleohistone complexes. It is possible that histone-mediated triplet energy transfer is involved in UV-induced cross-linking of histones to DNA in DNA-histone complexes.…”
Section: Protein Photosensitization Of Reactive Processes Occurring Inmentioning
confidence: 97%
“…Concerning the participation of protein in the inactivation of cells, we proposed the possibility that the formation of ThyOThy in DNA by UV irradiation was sensitized by tyrosine residues by the triplet-triplet energy transfer from tyrosine to Thy (2). This hypothesis is based on the triplet-triplet energy transfer from histone to DNA in deoxyribonucleohistone observed by the phosphorescence spectra (3) and it was verified in the case of Thy monomer and tyrosine in aqueous solution (2). In the present work, we observed the photosensitized formation of ThyO Thy in DNA in vitro by tyramine, tyrosine and tyrosine-containing peptides.…”
Section: Introductionmentioning
confidence: 99%