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TitleVisualizing the tunnel in tryptophan synthase with crystallography: Insights into a selective filter for accommodating indole and rejecting water.
Journal, issue, pagesBiochim. Biophys. Acta, Vol. 1864, Page 268-279, Year 2016
Publish dateNov 13, 2014 (structure data deposition date)
AuthorsHilario, E. / Caulkins, B.G. / Huang, Y.M. / You, W. / Chang, C.E. / Mueller, L.J. / Dunn, M.F. / Fan, L.
External linksBiochim. Biophys. Acta / PubMed:26708480
MethodsX-ray diffraction
Resolution1.54 - 1.82 Å
Structure data

PDB-4wx2:
Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with two F6F molecules in the alpha-site and one F6F molecule in the beta-site
Method: X-RAY DIFFRACTION / Resolution: 1.75 Å

PDB-4y6g:
Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with N-(4'-trifluoromethoxybenzoyl)-2-amino-1-ethylphosphate (F6F) inhibitor in the alpha-site and beta-site.
Method: X-RAY DIFFRACTION / Resolution: 1.65 Å

PDB-4zqc:
Tryptophan Synthase from Salmonella typhimurium in complex with two molecules of N-(4'-trifluoromethoxybenzoyl)-2-amino-1-ethylphosphate (F6F) inhibitor in the alpha-site and a single F6F molecule in the beta-site at 1.54 Angstrom resolution.
Method: X-RAY DIFFRACTION / Resolution: 1.54 Å

PDB-5bw6:
Tryptophan Synthase from Salmonella typhimurium in complex with a single molecule of 2-({[4-(trifluoromethoxy)phenyl]carbonyl}amino)ethyl dihydrogen phosphate (F6) in the alpha-site.
Method: X-RAY DIFFRACTION / Resolution: 1.82 Å

Chemicals

ChemComp-F6F:
2-{[4-(TRIFLUOROMETHOXY)BENZOYL]AMINO}ETHYL DIHYDROGEN PHOSPHATE

ChemComp-PLP:
PYRIDOXAL-5'-PHOSPHATE

ChemComp-EDO:
1,2-ETHANEDIOL

ChemComp-PEG:
DI(HYDROXYETHYL)ETHER

ChemComp-NA:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-DMS:
DIMETHYL SULFOXIDE / DMSO, precipitant*YM

Source
  • salmonella enterica subsp. enterica serovar typhimurium (bacteria)
KeywordsTRANSFERASE / carbon-oxygen lyase / tryptophan biosynthesis / Salmonella typhimurium / F6F / inhibitor / allosteric enzyme / aromatic amino acid biosynthesis / pyridoxal phosphate / LYASE/LYASE INHIBITOR / lyase / LYASE-LYASE INHIBITOR complex

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