Conformations of A–DNA and B–DNA in agreement with fiber X–ray and infrared dlcnroism | Zendy

S. Prémilat | Zendy; G. Albiser | Zendy

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Conformations of A–DNA and B–DNA in agreement with fiber X–ray and infrared dlcnroism

Author(s) -

S. Prémilat,

G. Albiser

Publication year - 1983

Publication title -

nucleic acids research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 9.008

H-Index - 537

eISSN - 1362-4954

pISSN - 0305-1048

DOI - 10.1093/nar/11.6.1897

Subject(s) - dihedral angle , fiber diffraction , infrared , biology , dna , orientation (vector space) , fiber , crystallography , diffraction , x ray crystallography , physics , optics , genetics , materials science , geometry , molecule , hydrogen bond , mathematics , chemistry , quantum mechanics , composite material

Two right handed double helices are proposed as models for DNA fibers in respectively the A and the B form. The present conformations have geometrical parameters which agree very well with fiber X-ray and the orientation of their phosphate groups is in good accordance with infrared dichroïsm measurements. Dihedral angles and complete sets of atomic coordinates are given together with stereo-views and curves of the calculated diffracted intensities. Results are compared with experimental data and with preceding DNA models.

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