4XUG

Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with 2-({[4-(Trifluoromethoxy)Phenyl]Sulfonyl}Amino)Ethyl Dihydrogen Phosphate (F9F) inhibitor in the alpha site and ammonium ion in the metal coordination site.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.194 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.166 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with 2-({[4-(Trifluoromethoxy)Phenyl]Sulfonyl}Amino)Ethyl Dihydrogen Phosphate (F9F) inhibitor in the alpha site and ammonium ion in the metal coordination site.

Hilario, E.Caulkins, B.G.Young, R.P.Niks, D.Dunn, M.F.Mueller, L.J.Fan, L.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tryptophan synthase alpha chainA268Salmonella enterica subsp. enterica serovar TyphimuriumMutation(s): 0 
Gene Names: trpA
EC: 4.2.1.20
Find proteins for P00929 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore P00929 
Go to UniProtKB:  P00929
Protein Feature View
Expand
 ( Mouse scroll to zoom / Hold left click to move )
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Tryptophan synthase beta chainB397Salmonella enterica subsp. enterica serovar TyphimuriumMutation(s): 0 
Gene Names: trpB
EC: 4.2.1.20
Find proteins for P0A2K1 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore P0A2K1 
Go to UniProtKB:  P0A2K1
Protein Feature View
Expand
 ( Mouse scroll to zoom / Hold left click to move )
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
F9F
Query on F9F

Download CCD File 
A
2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE
C9 H11 F3 N O7 P S
JDDKDMFCTOZVCJ-UHFFFAOYSA-N
 Ligand Interaction
PLP
Query on PLP

Download CCD File 
B
PYRIDOXAL-5'-PHOSPHATE
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
 Ligand Interaction
EDO
Query on EDO

Download CCD File 
B
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
NH4
Query on NH4

Download CCD File 
B
AMMONIUM ION
H4 N
QGZKDVFQNNGYKY-UHFFFAOYSA-O
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.194 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.166 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 181.883α = 90
b = 58.86β = 94.67
c = 67.303γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
SCALAdata scaling
PHASERphasing
PDB_EXTRACTdata extraction
MOSFLMdata reduction

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesR01GM097569

Revision History 

  • Version 1.0: 2016-01-27
    Type: Initial release
  • Version 1.1: 2017-09-27
    Changes: Author supporting evidence, Derived calculations
  • Version 1.2: 2019-12-25
    Changes: Author supporting evidence