Brand  (β version)

PDB ID: 4HPX

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Ligands
Code Name Style Show Link
F9F 2-({[4-(trifluoromethoxy)phenyl]sulfonyl}amino)ethyl dihydrogen phosphate PoSSuM
PEG Di(hydroxyethyl)ether PoSSuM
BZI Benzimidazole PoSSuM
0JO 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid PoSSuM
BCN Bicine PoSSuM
CS Cesium ion PoSSuM
Non-standard Residues
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Structure summary

Code : 4HPX   PDBj   RCSB PDB   PDBe
Header : LYASE/LYASE INHIBITOR
Title : Crystal structure of Tryptophan Synthase at 1.65 A resolution in complex with alpha aminoacrylate E(A-A) and benzimidazole in the beta site and the F9 inhibitor in the alpha site
Release Data : 2013-12-18
Compound :
mol_id molecule chains
1 Tryptophan synthase alpha chain A
ec: 4.2.1.20
mol_id molecule chains
2 Tryptophan synthase beta chain B
ec: 4.2.1.20
Source :
mol_id organism_scientific expression_system
1 Salmonella enterica subsp. enterica serovar Typhimurium  (taxid:90371) Escherichia coli  (taxid:562)
gene: STM1727, trpA
expression_system_strain: CB149
expression_system_vector_type: Derivative of pBR322
mol_id organism_scientific expression_system
2 Salmonella enterica subsp. enterica serovar Typhimurium  (taxid:90371) Escherichia coli  (taxid:562)
gene: STM1726, trpB
expression_system_strain: CB149
expression_system_vector_type: Derivative of pBR322
Authors : Hilario, E., Niks, D., Dunn, M.F., Mueller, L.J., Fan, L.
Keywords : Lyase, carbon-oxygen lyase, tryptophan biosynthesis, Salmonella, F9F, benzimidazole, allosteric enzyme, Amino-acid biosynthesis, aromatic amino acid biosynthesis, pyridoxal phosphate, alpha amino acrylate, LYASE-LYASE INHIBITOR complex
Exp. method : X-RAY DIFFRACTION ( 1.6500 Å )
Citation :

Allostery and substrate channeling in the tryptophan synthase bienzyme complex: evidence for two subunit conformations and four quaternary states.

Niks, D.,Hilario, E.,Dierkers, A.  et al.
(2013)  Biochemistry  52 : 6396 - 6411

PubMed: 23952479
DOI: 10.1021/bi400795e

Reaction

Chain : A
UniProt : P00929 (TRPA_SALTY)
Reaction: EC: Evidence:
Physiological Direction:
(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate + L-serine = D- glyceraldehyde 3-phosphate + L-tryptophan + H2O 4.2.1.20 HAMAP-Rule:MF_00131
-
Chain : B
UniProt : P0A2K1 (TRPB_SALTY)
Reaction: EC: Evidence:
Physiological Direction:
(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate + L-serine = D- glyceraldehyde 3-phosphate + L-tryptophan + H2O 4.2.1.20 -
-
Cofactor: Evidence: Note:
pyridoxal 5'-phosphate - -