Literature DB >> 17098

Circular dichroism study of polyriboxanthylic acid.

M Spodheim-Maurizot, M Leng.   

Abstract

We report in the present paper the circular dichroism spectra of poly(X) at different pH and temperature values. The spectra are characteristic of three stable forms of poly(x) in the pH range of protonation of xanthosine. An electrostatic barrier is proposed to account for the hysteresis and metastability observed in a certain pH range. Some results on oligo(X) at basic pH are also presented. Poly(X) at basic pH is investigated also by hydrodynamic techniques.

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Year:  1977        PMID： 17098      PMCID： PMC342463          DOI： 10.1093/nar/4.3.573

Source DB:  PubMed          Journal:  Nucleic Acids Res        ISSN： 0305-1048            Impact factor:   16.971


  11 in total

1.  [Polyxanthylic acid and its complexes].

Authors:  L Bachner; J Massoulié
Journal:  Eur J Biochem       Date:  1973-05

2.  A study of polyuridylic acid.

Authors:  J C Thrierr; M Dourlent; M Leng
Journal:  J Mol Biol       Date:  1971-06-28       Impact factor: 5.469

3.  Properties of poly-xanthylic acid and its reactions with potentially complementary homopolynucleotides.

Authors:  M Fikus; D Shugar
Journal:  Acta Biochim Pol       Date:  1969       Impact factor: 2.149

4.  Thermodynamic pK, delta H-o, delta S-o, and delta Cp-o values for proton dissociation from several purines and their nucleosides in aqueous solution.

Authors:  J J Christensen; J H Rytting; R M Izatt
Journal:  Biochemistry       Date:  1970-12-08       Impact factor: 3.162

5.  [Thermal dissociation in several stages of polyxanthylic acid].

Authors:  L Bachner; J Massoulié
Journal:  C R Acad Hebd Seances Acad Sci D       Date:  1971-06-07

6.  Adenylate oligomers in single- and double-strand conformation.

Authors:  J Brahms; A M Michelson; K E Van Holde
Journal:  J Mol Biol       Date:  1966-02       Impact factor: 5.469

7.  Conformation and thermodynamic properties of oligocytidylic acids.

Authors:  J Brahms; J C Maurizot; A M Michelson
Journal:  J Mol Biol       Date:  1967-05-14       Impact factor: 5.469

8.  Polynucleotide analogues. IX. Polyxanthylic acid.

Authors:  A M Michelson; C Monny
Journal:  Biochim Biophys Acta       Date:  1966-12-21

9.  Co-operative non-enzymic base recognition. 3. Kinetics of the helix-coil transition of the oligoribouridylic--oligoriboadenylic acid system and of oligoriboadenylic acid alone at acidic pH.

Authors:  D Pörschke; M Eigen
Journal:  J Mol Biol       Date:  1971-12-14       Impact factor: 5.469

10.  [Polynucleotides. XI. Study of the conformational stability of polynucleotides as a function of temperature].

Authors:  M Leng; A M Michelson
Journal:  Biochim Biophys Acta       Date:  1968-01-29
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