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Non-B DB v2.0: A database of predicted non-B DNA-forming motifs and its associated tools

  • Regina Z. Cer
  • , Duncan E. Donohue
  • , Uma S. Mudunuri
  • , Nuri A. Temiz
  • , Michael A. Loss
  • , Nathan J. Starner
  • , Goran N. Halusa
  • , Natalia Volfovsky
  • , Ming Yi
  • , Brian T. Luke
  • , Albino Bacolla
  • , Jack R. Collins
  • , Robert M. Stephens

Research output: Contribution to journalArticlepeer-review

Abstract

The non-B DB, available at http://nonb.abcc.ncifcrf.gov, catalogs predicted non-B DNA-forming sequence motifs, including Z-DNA, G-quadruplex, A-phased repeats, inverted repeats, mirror repeats, direct repeats and their corresponding subsets: cruciforms, triplexes and slipped structures, in several genomes. Version 2.0 of the database revises and re-implements the motif discovery algorithms to better align with accepted definitions and thresholds for motifs, expands the non-B DNA-forming motifs coverage by including short tandem repeats and adds key visualization tools to compare motif locations relative to other genomic annotations. Non-B DB v2.0 extends the ability for comparative genomics by including re-annotation of the five organisms reported in non-B DB v1.0, human, chimpanzee, dog, macaque and mouse, and adds seven additional organisms: orangutan, rat, cow, pig, horse, platypus and Arabidopsis thaliana. Additionally, the non-B DB v2.0 provides an overall improved graphical user interface and faster query performance.

Original languageEnglish (US)
Pages (from-to)D94-D100
JournalNucleic acids research
Volume41
Issue numberD1
DOIs
StatePublished - Jan 1 2013

Bibliographical note

Funding Information:
Funding for open access charge: This work was supported in whole or in part with Federal funds from the National Cancer Institute, National Institutes of Health, under Contract No. HHSN261200800001E and funding from CBIIT/caBIG ISRCE yellow task #09-260 to NCI-Frederick.

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