Bioinformatics, Vol 15, 370-375, Copyright © 1999 by Oxford University Press
RD Blake, JW Bizzaro, JD Blake, GR Day, SG Delcourt, J Knowles, KA Marx and J SantaLucia Jr
MOTIVATION: MELTSIM is a windows-based statistical mechanical program for
simulating melting curves of DNAs of known sequence and genomic dimensions
under different conditions of ionic strength with great accuracy. The
program is useful for mapping variations of base compositions of sequences,
conducting studies of denaturation, establishing appropriate conditions for
hybridization and renaturation, determinations of sequence complexity, and
sequence divergence. RESULTS: Good agreement is achieved between
experimental and calculated melting curves of plasmid, bacterial, yeast and
human DNAs. Denaturation maps that accompany the calculated curves indicate
non- coding regions have a significantly lower (G+C) composition than
coding regions in all species examined. Curves of partially sequenced human
DNA suggest the current database may be heavily biased with coding regions,
and excluding large (A+T)-rich elements. AVAILABILITY: MELTSIM 1.0 is
available at: //www.uml.edu/Dept/Chem/UMLBIC/Apps/MEL
TSIM/MELTSIM-1.0-Win/meltsim. zip. Melting curve plots in this paper were
made with GNUPLOT 3.5, available at:
http://www.cs.dartmouth.edu/gnuplot_inf o.html Contact :
blake@maine.maine.edu;
ARTICLES
Statistical mechanical simulation of polymeric DNA melting with MELTSIM
Department of Biochemistry, Microbiology and Molecular Biology, University of Maine, Orono, ME 04469-5735, USA.
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