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B‐Z transition in poly(dG‐dC)·poly(dG‐dC) in the presence of formaldehyde amino derivatives
Author(s) -
Poverenny A.M.,
Kiseleva V.I.,
Tyaglov B.V.,
Permogorov V.I.
Publication year - 1985
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(85)80707-9
Subject(s) - formaldehyde , chemistry , circular dichroism , hydrogen bond , polymer , breakage , crystallography , polymer chemistry , stereochemistry , materials science , organic chemistry , molecule , composite material
It was shown by circular dichroism that the B‐Z transition of poly(dG‐dC)·poly(dG‐dC) in high NaCl concentrations occurred more rapidly in the presence of formaldehyde and Tris. The product of formaldehyde and glycine interaction induces changes in the poly(dG‐dC)·poly(dG‐dC) CD spectral characteristics of a ‘B‐like’ conformation. It is supposed that the B‐Z transition occurs without large‐scale hydrogen bond breakage.