A3DC74 · SIGI3_ACET2
- ProteinRNA polymerase sigma factor SigI3
- GenesigI3
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids249 (go to sequence)
- Protein existenceEvidence at transcript level
- Annotation score3/5
Function
function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released (By similarity).
This sigma factor is involved in regulation of cellulosomal genes via an external polysaccharide-sensing mechanism (Probable). Recognizes the predicted promoters associated with sigI3 itself, pl11, ce12 and cipA (PubMed:26731480).
This sigma factor is involved in regulation of cellulosomal genes via an external polysaccharide-sensing mechanism (Probable). Recognizes the predicted promoters associated with sigI3 itself, pl11, ce12 and cipA (PubMed:26731480).
Activity regulation
Negatively regulated by the anti-sigma-I factor RsgI3 (By similarity).
Binding of the polysaccharide substrate to RsgI3 may lead to the release and activation of SigI3 (By similarity).
Binding of the polysaccharide substrate to RsgI3 may lead to the release and activation of SigI3 (By similarity).
Features
Showing features for dna binding.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
DNA binding | 199-218 | H-T-H motif | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | cytoplasm | |
Molecular Function | DNA binding | |
Molecular Function | sigma factor activity | |
Biological Process | DNA-templated transcription initiation |
Keywords
- Molecular function
- Biological process
Names & Taxonomy
Protein names
- Recommended nameRNA polymerase sigma factor SigI3
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Bacillota > Clostridia > Eubacteriales > Oscillospiraceae > Acetivibrio
Accessions
- Primary accessionA3DC74
Proteomes
Subcellular Location
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Chain | PRO_0000436517 | 1-249 | RNA polymerase sigma factor SigI3 | ||
Interaction
Structure
Family & Domains
Sequence
- Sequence statusComplete
- Length249
- Mass (Da)29,048
- Last updated2007-03-20 v1
- Checksum6564714540DD3496
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP000568 EMBL· GenBank· DDBJ | ABN51553.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
KM504391 EMBL· GenBank· DDBJ | AIY67764.1 EMBL· GenBank· DDBJ | Genomic DNA |