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The association of caffeine and actinocin derivatives (ActII), analogs of the antitumor antibiotic actinomycin D, was studied by… Expand : The spectral properties of the actinocin derivative ActII in complexes with DNA were studied by UV visible spectrophotometry… Expand Complexes of DNA with actinocin derivatives containing benzocrown groups at positions 1 and/or 9 of the chromophore were studied… Expand In recent years, considerable effort of researchers has been devoted to studying the cellular signal systems, that is, the… Expand Complexes of DNA with benzocrown derivatives of actinocin were studied by viscometry and dynamic birefringence. Changes in the… Expand Electron absorption, luminescence excitation, and emission spectra of 8-butylcabramoyl-, 8-cyclohexylcarbamoyl-, 8… Expand D, L-3-Hydroxy-4-methylkynurenine was prepared from 3-methoxy-4-methylanthranilic acid and found to be a competitive precursor… Expand THE structure and interactions of actinomycin D (ACD) have recently been much studied (refs. 1, 2 and Fig. 1). We have made an… Expand Abstract The enzyme, phenoxazinone synthetase, purified 25- to 30-fold from cell-free extracts of Streptomyces antibioticus… Expand