Difference between revisions of "LeuA"
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= [[Categories]] containing this gene/protein = | = [[Categories]] containing this gene/protein = | ||
{{SubtiWiki category|[[biosynthesis/ acquisition of amino acids]]}}, | {{SubtiWiki category|[[biosynthesis/ acquisition of amino acids]]}}, | ||
| − | {{SubtiWiki category|[[membrane proteins]]}} | + | {{SubtiWiki category|[[membrane proteins]]}}, |
| + | [[most abundant proteins]] | ||
= This gene is a member of the following [[regulons]] = | = This gene is a member of the following [[regulons]] = | ||
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** subject to Clp-dependent proteolysis upon glucose starvation [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed] | ** subject to Clp-dependent proteolysis upon glucose starvation [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed] | ||
** An [[ncRNA|antisense RNA]] is predicted for''[[leuA]]'' {{PubMed|20525796}} | ** An [[ncRNA|antisense RNA]] is predicted for''[[leuA]]'' {{PubMed|20525796}} | ||
| + | ** belongs to the 100 [[most abundant proteins]] {{PubMed|15378759}} | ||
=Biological materials = | =Biological materials = | ||
| Line 150: | Line 152: | ||
=References= | =References= | ||
| − | <pubmed>15060025,12193635,19258532,8289305,18641142,15547269,12618455,20525796,15547269,12618455,12107147 18763711, 20935095 24163341</pubmed> | + | <pubmed>15060025,12193635,19258532,8289305,18641142,15547269,12618455,20525796,15547269,12618455,12107147 18763711, 20935095 24163341 15378759</pubmed> |
[[Category:Protein-coding genes]] | [[Category:Protein-coding genes]] | ||
Revision as of 16:32, 5 March 2014
- Description: 2-isopropylmalate synthase
| Gene name | leuA |
| Synonyms | |
| Essential | no |
| Product | 2-isopropylmalate synthase |
| Function | biosynthesis of leucine |
| Gene expression levels in SubtiExpress: leuA | |
| Metabolic function and regulation of this protein in SubtiPathways: leuA | |
| MW, pI | 56 kDa, 5.657 |
| Gene length, protein length | 1554 bp, 518 aa |
| Immediate neighbours | leuB, ilvC |
| Sequences | Protein DNA DNA_with_flanks |
Genetic context 
This image was kindly provided by SubtiList
| |
Expression at a glance PubMed
| |
Contents
Categories containing this gene/protein
biosynthesis/ acquisition of amino acids, membrane proteins, most abundant proteins
This gene is a member of the following regulons
CcpA regulon, CodY regulon, T-box, TnrA regulon
The gene
Basic information
- Locus tag: BSU28280
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: Acetyl-CoA + 3-methyl-2-oxobutanoate + H2O = (2S)-2-isopropylmalate + CoA (according to Swiss-Prot)
- Protein family: LeuA type 1 subfamily (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Modification:
- Effectors of protein activity:
- Localization:
- cytoplasm (according to Swiss-Prot), membrane PubMed
Database entries
- Structure: 3EEG (from Cytophaga hutchinsonii atcc 33406, 53% identity, 68% similarity)
- UniProt: P94565
- KEGG entry: [3]
- E.C. number: 2.3.3.13
Additional information
- subject to Clp-dependent proteolysis upon glucose starvation PubMed
Expression and regulation
- Regulation:
- for a complete overview on the regulation of the ilv operon, see Brinsmade et al.
- repressed by casamino acids PubMed
- expression is stimulated in the presence of glucose PubMed
- repressed in the absence of good nitrogen sources (glutamine or ammonium) (TnrA) PubMed
- repressed during growth in the presence of branched chain amino acids (CodY, T-box) PubMed
- Regulatory mechanism:
- Additional information:
- subject to Clp-dependent proteolysis upon glucose starvation PubMed
- An antisense RNA is predicted forleuA PubMed
- belongs to the 100 most abundant proteins PubMed
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
