major high-affinity Na+-coupled glutamate/ aspartate symport protein, uptake of glyphosate
function
glutamate and aspartate uptake
product
major Na+-coupled glutamate/ aspartate symport protein
Genomic Context
categories
[category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.4|Transporters/ other] → [category|SW 1.2.4.1|Amino acid transporters] → [category|SW 1.2.4.1.1|Solute:sodium symporter family][category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.4|Transporters/ other] → [category|SW 1.2.4.1|Amino acid transporters] → [category|SW 1.2.4.1.6|Dicarboxylate/amino acid:cation symporter][category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.1|Biosynthesis/ acquisition of glutamate/ glutamine/ ammonium assimilation][category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.2|Utilization of amino acids] → [category|SW 2.3.2.1|Utilization of glutamine/ glutamate][category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]Gene
Coordinates
1,096,560 1,097,849
Phenotypes of a mutant
impaired uptake of glutamate and aspartate [Pubmed|25344233]The protein
Catalyzed reaction/ biological activity
uptake of glutamate and aspartateuptake of glyphosate and glufosinate [pubmed|30666812]Protein family
[SW|dicarboxylate/amino acid:cation symporter (DAACS) (TC 2.A.23) family] (according to UniProt)Paralogous protein(s)
[protein|622856EE642C42247C658DBD57E6A18C6E81FE58|GltP], [protein|107DDCC7B6AA2D7CB02E53F043A93CF05C679081|DctP] Kinetic information
Km values: 37 5 M for glutamate, 41 9 M for aspartate [pubmed|25344233]Effectors of protein activity
aspartate uptake is competitively inhibited by glutamate [pubmed|29995990]Structure
[PDB|4IZM] (the protein from ''Pyrococcus horikoshii'', 35% identity, 73% similarity) [Pubmed|23563139][http://pdb.org/pdb/explore/explore.do?structureId=4KY0 4KY0] (the glutamate transporter of ''Thermococcus kodakarensis'', 35% identity, 72% similarity) [Pubmed|24013209][SW|Localization]
cell membrane [Pubmed|18763711]Expression and Regulation
Operons
genes
[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]
description
[Pubmed|22383849]
view in new tabBiological materials
Mutant
BP233 (Δ[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::''spc''), available in [SW|Fabian Commichau]'s labBP235 (Δ[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::''spc '' Δ[gene|622856EE642C42247C658DBD57E6A18C6E81FE58|gltP]::''cat''), available in [SW|Fabian Commichau]'s labGP2247 (Δ[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::''ermC''), available in [SW|Jörg Stülke]'s labGP2248 (Δ[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::''aphA3''), available in [SW|Jörg Stülke]'s labGP2722 (Δ[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::''zeo''), available in [SW|Jörg Stülke]'s labBKE10220 ([gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE10220 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATAGATTACCTCCCAAAAA, downstream forward: _UP4_TAATGAAAAGCCTGCGGGGTBKK10220 ([gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK10220 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATAGATTACCTCCCAAAAA, downstream forward: _UP4_TAATGAAAAGCCTGCGGGGTGP2831 (''Δ''''[gene|533EEB1A454D29800C9A00A0BE107ECEE2138DAB|gltT]''::''aphA3'' ''Δ''''[gene|151A61315ADAA7213502F15C0C0ED636A4C3EA7C|aimA]''::''phleo''), available in [SW|Jörg Stülke]'s labExpression vectors
for expression in ''B. subtilis'', in [SW|pAC7]: pBP56, available in [SW|Fabian Commichau]'s labReferences
18763711,23563139,22383849,24013209,25344233,14596613,10588697,29995990,30666812