trpR:Gene Product(s)
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| Nomenclature | Function | Interactions | Localization | Sequence | Domains | Structure | Resources | Accessions | Links | References | Suggestions |
Nomenclature
See Help:Product_nomenclature for help entering or editing information in this section of EcoliWiki.
| Standard name |
TrpR |
|---|---|
| Synonyms |
DNA-binding transcriptional repressor, tryptophan-binding [1], B4393 [2][1], RtrY [2][1], TrpR [2][1], regulator for trp operon and aroH; trp aporepressor [2][1] , ECK4385, JW4356, b4393 |
| Product description |
Component of TrpR transcriptional repressor[2][3]; TrpR-Tryptophan transcriptional repressor[2][3] Autogenously regulated tryptophan repressor protein; regulator of trp operon, aroH, and other members of the TrpR regulon; 5-Methyltryptophan resistance[4] |
| EC number (for enzymes) |
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| edit table |
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Notes
Function
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Gene Ontology
See Help:Gene_ontology for help entering or editing GO terms and GO annotations in EcoliWiki.
| Qualifier | GO ID | GO term name | Reference | Evidence Code | with/from | Aspect | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0003677 |
DNA binding |
GOA:hamap |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0003677 |
DNA binding |
GOA:spkw |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0003700 |
transcription factor activity |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0003700 |
transcription factor activity |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0005622 |
intracellular |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
C |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0005737 |
cytoplasm |
GOA:hamap |
IEA: Inferred from Electronic Annotation |
C |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0005737 |
cytoplasm |
GOA:spkw |
IEA: Inferred from Electronic Annotation |
C |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0005737 |
cytoplasm |
IEA: Inferred from Electronic Annotation |
SP_SL:SL-0086 |
C |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0006350 |
transcription |
GOA:spkw |
IEA: Inferred from Electronic Annotation |
P |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0006355 |
regulation of transcription, DNA-dependent |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
P |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0006355 |
regulation of transcription, DNA-dependent |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
P |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0006355 |
regulation of transcription, DNA-dependent |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
P |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0016564 |
transcription repressor activity |
GOA:hamap |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0016564 |
transcription repressor activity |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0043565 |
sequence-specific DNA binding |
GOA:interpro |
IEA: Inferred from Electronic Annotation |
F |
Seeded from EcoCyc (v14.0) |
complete | ||
| GO:0045892 |
negative regulation of transcription, DNA-dependent |
GOA:hamap |
IEA: Inferred from Electronic Annotation |
P |
Seeded from EcoCyc (v14.0) |
complete | ||
| edit table |
Interactions See Help:Product_interactions for help entering or editing information about gene product interactions in this section of EcoliWiki.
| Partner Type | Partner | Notes | References | Evidence |
|---|---|---|---|---|
|
Protein |
Subunits of TrpR transcriptional repressor |
could be indirect |
||
|
Protein |
rpsC |
Experiment(s):EBI-1147985 | ||
|
Protein |
rnc |
Experiment(s):EBI-1147985 | ||
|
Protein |
Subunits of TrpR-Tryptophan transcriptional repressor |
could be indirect |
| |
| edit table |
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Notes
trpR55 is synonymous with trpR2, as studied by Yanofsky, et al, in 1984. [6]
trpR2 acts as a frameshift mutation within the trp repressor. As a result, the repressor remains inactive and is unable to bind to the operator of the trp operon, allowing transcription on the trp operon to proceed with tryptophan synthesis, instead of inhibiting production as it normally would in high levels of tryptophan.
trpR2 does not target a specific functional repressor, since levels of trp enzymes in strains with trpR2 mutations do not differ from levels found within strains undergoing trpR amber and trpR deletion mutations. [7]
Localization
See Help:Product_localization for how to add or edit information in this section of EcoliWiki.
| Compartment | Description | Evidence | Reference/Source | Notes |
|---|---|---|---|---|
| edit table |
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Notes
Structure and Physical Properties
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Physical Properties
See Help:Product_physical_properties for help entering or editing information about the physical properties of this gene product.
| Name | |
|---|---|
| Sequence |
MAQQSPYSAA MAEQRHQEWL RFVDLLKNAY QNDLHLPLLN LMLTPDEREA LGTRVRIVEE LLRGEMSQRE LKNELGAGIA TITRGSNSLK AAPVELRQWL EEVLLKSD |
| Length |
108 |
| Mol. Wt |
12.355 kDa |
| pI |
5.3 (calculated) |
| Extinction coefficient |
13,980 (calc based on 2 Y, 2 W, and 0 C residues) |
| edit table |
Domains/Motifs/Modification Sites
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<motif_map/> |
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Structure
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Structure figures<protect> | ||||||
Notes
Gene Product Resources
See Help:Product_resources for help with entering or editing information in this section of EcoliWiki.
| Resource type | Source | Notes/Reference |
|---|---|---|
| edit table |
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Notes
Accessions in Other Databases
See Help:Gene_accessions for help with entering information into the Gene Accessions table.
| Database | Accession | Notes |
|---|---|---|
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
|
Escherichia coli str. K-12 substr. MG1655 | ||
| edit table |
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Notes
Links
| Name | URL | Comments |
|---|---|---|
| edit table |
References
See Help:References for how to manage references in EcoliWiki.
- ↑ 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
- ↑ 3.0 3.1 3.2 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
- ↑ EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
- ↑ 5.0 5.1 Arifuzzaman, M et al. (2006) Large-scale identification of protein-protein interaction of Escherichia coli K-12. Genome Res. 16 686-91 PubMed
- ↑ http://cgsc2.biology.yale.edu/Mutation.php?ID=4525
- ↑ Yanofsky, C et al. (1984) Repression is relieved before attenuation in the trp operon of Escherichia coli as tryptophan starvation becomes increasingly severe. J. Bacteriol. 158 1018-24 PubMed
- ↑ Finn, RD et al. (2010) The Pfam protein families database. Nucleic Acids Res. 38 D211-22 PubMed
Categories
- GO:0003677 ! DNA binding
- GO:0003700 ! DNA-binding transcription factor activity
- GO:0005622 ! intracellular
- GO:0005737 ! cytoplasm
- GO:0006350 ! transcription
- GO:0006355 ! regulation of transcription, DNA-templated
- GO:0016564 ! obsolete transcription repressor activity
- GO:0043565 ! sequence-specific DNA binding
- GO:0045892 ! negative regulation of transcription, DNA-templated
- Proteins
