Searching by Coexpression
A list of genes (gene name), separated by space or commas, can be introduced.

araA araB araD AraC coexpression
soda, soxS, soxR coexpression

RegulonDB uses ElasticSearch as a full-text search engine.

Searching by Gene.
You can use gene name, synonyms, identifiers, gene product, and GOs with the gene keyword. To get the complete list of the genes use only the keyword.

araC gene
arabinose AND transporter AND gene
transcriptional regulator gene
b0012 gene
arabinose catabolic process gene
gene

Searching by Gensor Unit
You can use the gensor unit name, the gensor unit identifier or the reaction name, with the gensor unit or gu keyword. To get the complete list of gensor units use only the keyword.

araC gensor unit
PurR-hypoxanthine gu
gensor unit

Searching by Growth Condition
You can use the condition identifier, the control, experimental and global condition with the growth condition keyword. To get the complete list of conditions use only the keyword.

heat shock growth condition
glucose growth condition
growth condition

Searching by Operon
You can use operon identifier, operon name, synonyms, transcription unit name, promoter name, promoter sequence with the operon keyword. To get the complete list of operons use only the keyword.

lactose operon
metJ operon
glnALG transcription unit
operon

Searching by Regulon
You can use regulon identifier, regulon name, synonyms, transcription factor name, effector name, conformation of TFs with the operon keyword. To get the complete list of regulons use only the keyword, and you will get a table with the regulons and useful statistics.

CRP regulon
Arabinose regulon
TyrR-tyrosine regulon
transcription AND factor AND repressor regulon
regulon

Searching by Sigmulon
You can use sigma name, sigma gene name and synonyms, with the sigmulon keyword. To get the complete list of sigmas use only the keyword.

sigma19 sigmulon
rpoD sigmulon
sigmulon

Searching by sRNA
You can use sRNA name, product name and synonyms, with the sRNA or small RNA keywords. To get the complete list of sRNA use only the keyword.

micF sRNA
omrB small RNA
sRNA