Difference between revisions of "AlsS"
| Line 95: | Line 95: | ||
* '''Regulation:''' induction by acetate ([[AlsR]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/7685336 PubMed], repressed as long as terminal electron acceptors are available for respiration ([[Rex]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/16428414 PubMed] | * '''Regulation:''' induction by acetate ([[AlsR]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/7685336 PubMed], repressed as long as terminal electron acceptors are available for respiration ([[Rex]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/16428414 PubMed] | ||
| + | ** repressed at regular oxygen concentration ([[Rex]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/16428414 PubMed] | ||
Note: since acetate formation requires ''[[ackA]]'' activation by [[CcpA]] there is an indirect effect of [[CcpA]] on the ''alsSD'' operon: the operon is not expressed in ''[[ccpA]]'' mutants | Note: since acetate formation requires ''[[ackA]]'' activation by [[CcpA]] there is an indirect effect of [[CcpA]] on the ''alsSD'' operon: the operon is not expressed in ''[[ccpA]]'' mutants | ||
* '''Regulatory mechanism:''' [[AlsR]]: transcription activation in the presence of acetate [http://www.ncbi.nlm.nih.gov/sites/entrez/7685336 PubMed], [[Rex]]: transcription repression if the ratio NADH2/NAD is high [http://www.ncbi.nlm.nih.gov/sites/entrez/16428414 PubMed] | * '''Regulatory mechanism:''' [[AlsR]]: transcription activation in the presence of acetate [http://www.ncbi.nlm.nih.gov/sites/entrez/7685336 PubMed], [[Rex]]: transcription repression if the ratio NADH2/NAD is high [http://www.ncbi.nlm.nih.gov/sites/entrez/16428414 PubMed] | ||
| + | ** [[Rex]]: transcription activation [http://www.ncbi.nlm.nih.gov/sites/entrez/16428414 PubMed] | ||
* '''Additional information:''' | * '''Additional information:''' | ||
Revision as of 17:15, 11 June 2009
- Description: acetolactate synthase
| Gene name | alsS |
| Synonyms | |
| Essential | no |
| Product | acetolactate synthase) |
| Function | overflow metabolism |
| Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism | |
| MW, pI | 61 kDa, 5.164 |
| Gene length, protein length | 1713 bp, 571 aa |
| Immediate neighbours | alsD, alsR |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
| |
Contents
The gene
Basic information
- Locus tag: BSU36010
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: 2 pyruvate = 2-acetolactate + CO2 (according to Swiss-Prot)
- Protein family: TPP enzyme family (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Interactions:
- Localization:
Database entries
- Structure:
- Swiss prot entry: Q04789
- KEGG entry: [3]
- E.C. number: 2.2.1.6
Additional information
Expression and regulation
- Regulation: induction by acetate (AlsR) PubMed, repressed as long as terminal electron acceptors are available for respiration (Rex) PubMed
Note: since acetate formation requires ackA activation by CcpA there is an indirect effect of CcpA on the alsSD operon: the operon is not expressed in ccpA mutants
- Regulatory mechanism: AlsR: transcription activation in the presence of acetate PubMed, Rex: transcription repression if the ratio NADH2/NAD is high PubMed
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
- Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed
