PATTERNFINDER: combined analysis of DNA regulatory sequences and double-helix stability

BMC Bioinformatics
Yanlin Huang, D Kowalski

Abstract

Regulatory regions that function in DNA replication and gene transcription contain specific sequences that bind proteins as well as less-specific sequences in which the double helix is often easy to unwind. Progress towards predicting and characterizing regulatory regions could be accelerated by computer programs that perform a combined analysis of specific sequences and DNA unwinding properties. Here we present PATTERNFINDER, a web server that searches DNA sequences for matches to specific or flexible patterns, and analyzes DNA helical stability. A batch mode of the program generates a tabular map of matches to multiple, different patterns. Regions flanking pattern matches can be targeted for helical stability analysis to identify sequences with a minimum free energy for DNA unwinding. As an example application, we analyzed a regulatory region of the human c-myc proto-oncogene consisting of a single-strand-specific protein binding site within a DNA region that unwindsin vivo. The predicted region of minimal helical stability overlapped both the protein binding site and the unwound DNA region identified experimentally. The PATTERNFINDER web server permits localization of known functional elements or landmarks in DNA sequences a...Continue Reading

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Citations

Dec 22, 2011·Journal of Oncology·Sabita N Saldanha, Trygve O Tollefsbol
Mar 24, 2005·The Journal of Biological Chemistry·Daniel Coman, Irina M Russu

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Datasets Mentioned

BETA
X00364

Software Mentioned

Practical Extraction and Report Language ( PERL )
BATCH
THERMOCALC
PATTERNFINDER
DNA Sequence Query
WEB
Fasta
THERMODYN

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