Research Topics
| Muttaiya SundaralingamSummaryAffiliation: The Ohio State University Country: USA Publications
Research Grants
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Detail Information
Publications
Hydrogen and hydration of DNA and RNA oligonucleotidesMuttaiya Sundaralingam
Biological Macromolecular Structure Center, Department of Chemistry, and The Ohio State Biochemistry Program, The Ohio State University, 1060 Carmack Road, Columbus, OH 43210 1002, USA
Biophys Chem 95:273-82. 2002....
Crystal structure of a bulged RNA tetraplex at 1.1 a resolution: implications for a novel binding site in RNA tetraplexBaocheng Pan
Department of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Lab, 176 West 19th Avenue, Columbus, OH, USA
Structure 11:1423-30. 2003..In addition, both G(syn) tetrad and G(anti) tetrad have been observed. They display the same base-pairing pattern and similar C1'-C1' distance but different hydrogen-bonding patterns in the groove...
Structure of the dodecamer r(GAUCACUUCGGU) with four 5'-overhang nucleotidesSubramaniam Eswaramoorthy
Department of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, OH 43210, USA
Acta Crystallogr D Biol Crystallogr 60:8-12. 2004..O4(U) and a water bridge connecting the N(3) of the cytosine and uridine. The present study reinforces the concept of the stability of the conformation of UUCG in RNA double-helical structures...
Structure of d(ITITACAC) complexed with distamycin at 1.6 A resolutionJunpeng Deng
Departments of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, Ohio 43210, USA
Acta Crystallogr D Biol Crystallogr 59:2342-4. 2003..The present structure emphasizes the features of alternating DNA octamers in interaction with distamycin...
Structure of a B-form DNA/RNA chimera (dC)(rG)d(ATCG) complexed with daunomycin at 1.5 A resolutionKe Shi
Departments of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, OH 43210, USA
Acta Crystallogr D Biol Crystallogr 59:1377-83. 2003..A model of B-form RNA has been built based on the present structure. The model indicates that the interactions of the 2'-hydroxyl groups in the B-form duplex depend on their 3'-side nucleotides...
The crystal structure of an alternating RNA heptamer r(GUAUACA) forming a six base-paired duplex with 3'-end adenine overhangsKe Shi
Department of Chemistry, The Ohio State University, 200 Johnston Laboratory, Columbus, OH 43210, USA
Nucleic Acids Res 31:1392-7. 2003..Overhang adenine residues stack within the duplexes with C3'-endo sugar pucker and C2'-endo sugar pucker in duplexes 1 and 2, respectively. A Na+ ion in the crystal lattice is water bridged to two N1 atoms of symmetry-related A7 bases...
Crystal structure of an RNA purine-rich tetraplex containing adenine tetrads: implications for specific binding in RNA tetraplexesBaocheng Pan
Departments of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Lab, 176 West 19th Avenue, Columbus, OH 43210, USA
Structure 11:815-23. 2003..Ba(2+) ions prefer to bind guanine tetrads, and adenine tetrads can only be bound by Na(+) ions, illustrating the binding selectivity of metal ions for the tetraplex...
An eight-stranded helical fragment in RNA crystal structure: implications for tetraplex interactionBaocheng Pan
Departments of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Lab, 176 West 19th Avenue, Columbus, OH 43210, USA
Structure 11:825-31. 2003..The conformational flexibility of adenine tetrad indicates that it can optimize its conformation in different interactions...
Structures of d(Gm5)CGm5CGCGC) and d(GCGCGm5CGm5C): effects of methylation on alternating DNA octamersKe Shi
Departments of Chemistry and Biochemistry, The Ohio State University, 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, OH 43210, USA
Acta Crystallogr D Biol Crystallogr 60:61-5. 2004....
Base-tetrad swapping results in dimerization of RNA quadruplexes: implications for formation of the i-motif RNA octaplexBaocheng Pan
Department of Chemistry, Ohio State University, 200 Johnston Laboratory, Columbus, 43210-1002, USA
Proc Natl Acad Sci U S A 103:3130-4. 2006....
Structure of an RNA dodecamer containing a fragment from SRP domain IV of Escherichia coliJunpeng Deng
Department of Chemistry, The Ohio State University, 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, Ohio 43210, USA
Acta Crystallogr D Biol Crystallogr 59:1004-11. 2003..Comparison with other crystal structures of fragments of 4.5S RNA indicates that the conformation of the symmetric loop is independent of the asymmetrical loop in domain IV...
Crystal structure of rGd(CGCGCG): a Z-DNA hexamer duplex with a 5'-(rG) overhangBaocheng Pan
Departments of Chemistry and Biochemistry, 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, Ohio 43210-1002, USA
Acta Crystallogr D Biol Crystallogr 59:433-7. 2003..G base pairing of the 5'-overhang dG (Pan et al., 1997). However, the replacement does not change the helix from Z-form to A-form or the water-structure motifs in the Z-DNA double-helical structure...
Near-atomic resolution crystal structure of an A-DNA decamer d(CCCGATCGGG): cobalt hexammine interaction with A-DNABoopathy Ramakrishnan
Department of Chemistry, The Ohio State University 200 Johnston Laboratory, 176 West 19th Avenue, Columbus, Ohio 43210-1002, USA
Acta Crystallogr D Biol Crystallogr 59:67-72. 2003..Analysis of thermal parameters (B factors) shows that the nucleotides involved in abutting crystal packing are thermally more stable than other nucleotides in the duplex...
Solution structure of 2',5' d(G4C4). Relevance to topological restrictions and nature's choice of phosphodiester linksBernard J Premraj
Department of Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai, India
Eur J Biochem 271:2956-66. 2004..It is therefore conceivable that selection pressure relating to the optimization of topological features might have been a factor in the rejection of 2',5' links in preference to 3',5' links...
Crystal structure of an RNA quadruplex containing inosine tetrad: implications for the roles of NH2 group in purine tetradsBaocheng Pan
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520, USA
J Mol Biol 363:451-9. 2006..We also discuss the roles of amino group in purine tetrads and the inter-quadruplex interactions in RNA molecules. These quadruplexes may interact with each other by stacking, groove binding and intercalation...
Research Grants
- X-RAY STUDIES ON NUCLEIC ACID CONSTITUENTSMuttaiya Sundaralingam; Fiscal Year: 1990..The work on oligonucleotides will provide useful information on sequence-dependent conformational variations in DNA structure which is important in understanding gene expression and regulation...
- X-RAY STUDIES ON NUCLEIC ACID CONSTITUENTSMuttaiya Sundaralingam; Fiscal Year: 1993..This investigation will provide important details on the molecular geometries and conformations of DNAs which will be of fundamental importance in the understanding of the molecular basis of gene regulation and expression...
- X RAY STUDIES OF NUCLEIC ACID CONSTITUENTSMuttaiya Sundaralingam; Fiscal Year: 2001..The structures will be solved by molecular replacement or by the heavy atom method and refined by XPLOR. The structural work will be invaluable to better understand health, gene regulation and rational drug design. ..
