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Literature summary for 4.2.1.20 extracted from

  • Ngo, H.; Kimmich, N.; Harris, R.; Niks, D.; Blumenstein, L.; Kulik, V.; Barends, T.R.; Schlichting, I.; Dunn, M.F.
    Allosteric regulation of substrate channeling in tryptophan synthase: modulation of the L-serine reaction in stage I of the beta-reaction by alpha-site ligands (2007), Biochemistry, 46, 7740-7753.
    View publication on PubMed

Crystallization (Commentary)

Crystallization (Comment) Organism
hanging drop vapour diffusion method Salmonella enterica subsp. enterica serovar Typhimurium

Metals/Ions

Metals/Ions Comment Organism Structure
Cs+ the enzyme contains three Cs+ ions Salmonella enterica subsp. enterica serovar Typhimurium
Na+ in the presence of 100 mM NaCl the enzyme keeps in the Na+ activated form Salmonella enterica subsp. enterica serovar Typhimurium

Organism

Organism UniProt Comment Textmining
Salmonella enterica subsp. enterica serovar Typhimurium
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Salmonella enterica subsp. enterica serovar Typhimurium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-serine + indole
-
Salmonella enterica subsp. enterica serovar Typhimurium L-tryptophan + H2O
-
?

Synonyms

Synonyms Comment Organism
alpha2beta2 tryptophan synthase
-
Salmonella enterica subsp. enterica serovar Typhimurium

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate
-
Salmonella enterica subsp. enterica serovar Typhimurium