Recognition of polynucleotides by antibodies to poly(I), poly(C).

Abstract:

:The binding of anti poly(I). poly (C) Fab fragments to double or triple stranded polynucletides has been studied by fluorescence. Association constants were deduced from competition experiments. The comparison of the association constants leads to the conclusion that several atoms of the base residues do not interact with the amino acid residues of the binding site of Fab fragment while the hydroxyl groups of furanose rings interact. These results suggest that the Fab fragments do not bind to the major groove of the double stranded polynucleotides. An interaction between the C(2)O group of pyrimidine residues and Fab fragments cannot be excluded. Circular dichroism of poly(I). poly(C) or poly(I). poly(br5C)-Fab fragments complexes are very different from the circular dichroism of free polynucleotides which suggests a deformation of the polynucleotides bound to the Fab fragments.

journal_name

Nucleic Acids Res

journal_title

Nucleic acids research

authors

Guigues M,Leng M

doi

10.1093/nar/3.12.3337

keywords:

subject

Has Abstract

pub_date

1976-12-01 00:00:00

pages

3337-47

issue

12

eissn

0305-1048

issn

1362-4962

journal_volume

3

pub_type

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