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Relative stabilities and the spectral signatures of stacked and hydrogen-bonded dimers of serotonin
(Taylor and Francis Ltd., 2015)
The O-HsssN hydrogen-bonded dimer of serotonin is shown to be more stable than the stacked dimer in its ground electronic state, by using the M?ller-Plesset second-order perturbation theory (MP2) and the 6-31g??basis set. ...
Effect of base sequence context on the conformational heterogeneity of aristolactam-I adducted DNA: Structural and energetic insights into sequence-dependent repair and mutagenicity
(Royal Society of Chemistry, 2015)
Aristolochic acids (AAs) are nephrotoxic and potentially carcinogenic plant mutagens that form bulky DNA adducts at the exocyclic amino groups of the purines. The present work utilizes classical molecular dynamics simulations ...
Enhancing Bulge Stabilization through Linear Extension of C8-Aryl-Guanine Adducts to Promote Polymerase Blockage or Strand Realignment to Produce a C:C Mismatch
(American Chemical Society, 2015)
Aryl radicals can react at the C8-site of 2?-deoxyguanosine (dG) to produce DNA adducts with a C8-C linkage (denoted C-linked). Such adducts are structurally distinct from those possessing a flexible amine (N-linked) or ...