Genes and Regulators:
 
Search for genes involved in regulatory experiments using the gene name, function, product, accession number, or any other genbank annotation.
Example:rpoD, NP_289905, histidine protein kinase. *(No wildcard characters allowed, see advanced search)
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Effectors:

Search effectors by their name.
Example:glucose, iron.
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Full Text :

Search Experiments and Articles using text contained in that articles abstract, the journal title, the authors, and a short description of the experiments within that article.
Example:"fnr binding", "+mga +promoter", "Gelfand"
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Binding Sites:
Search for potential binding sites for transcription factors in any DNA sequence with a library of mononucleotide Position Weight Matrices and verify conservation of binding sites among multiple organisms.
Multiple search tools and options are available

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BLAST
BLAST your sequence against known regulated genes, known experimental sites, or bacterial genomes