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Structure paper

TitleOn the structural basis of the catalytic mechanism and the regulation of the alpha subunit of tryptophan synthase from Salmonella typhimurium and BX1 from maize, two evolutionarily related enzymes.
Journal, issue, pagesJ. Mol. Biol., Vol. 352, Page 608-620, Year 2005
Publish dateNov 5, 2003 (structure data deposition date)
AuthorsKulik, V. / Hartmann, E. / Weyand, M. / Frey, M. / Gierl, A. / Niks, D. / Dunn, M.F. / Schlichting, I.
External linksJ. Mol. Biol. / PubMed:16120446
MethodsX-ray diffraction
Resolution1.5 - 2.3 Å
Structure data

PDB-1rd5:
Crystal structure of Tryptophan synthase alpha chain homolog BX1: a member of the chemical plant defense system
Method: X-RAY DIFFRACTION / Resolution: 2.02 Å

PDB-1tjp:
Crystal Structure Of Wild-Type Tryptophan Synthase Complexed With 1-[(2-hydroxylphenyl)amino]3-glycerolphosphate
Method: X-RAY DIFFRACTION / Resolution: 1.5 Å

PDB-1tjr:
Crystal structure of wild-type BX1 complexed with a sulfate ion
Method: X-RAY DIFFRACTION / Resolution: 2.3 Å

PDB-1wbj:
wildtype tryptophan synthase complexed with glycerol phosphate
Method: X-RAY DIFFRACTION / Resolution: 1.5 Å

Chemicals

ChemComp-MLA:
MALONIC ACID

ChemComp-HOH:
WATER

ChemComp-HPF:
1-[(2-HYDROXYLPHENYL)AMINO]3-GLYCEROLPHOSPHATE

ChemComp-NA:
Unknown entry

ChemComp-PLP:
PYRIDOXAL-5'-PHOSPHATE

ChemComp-SO4:
SULFATE ION

ChemComp-G3P:
SN-GLYCEROL-3-PHOSPHATE

Source
  • zea mays (maize)
  • salmonella typhimurium (bacteria)
KeywordsLYASE / hydroxamic acid / DIBOA / DIMBOA / indole / indole-glycerol-phosphate / substrate channeling / transition state analog / enzymatic mechanism / allosteric regulation / Indole Glycerol phosphate / tryptophan synthase / PYRIDOXAL PHOSPHATE / TRYPTOPHAN BIOSYNTHESIS

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