5CGQ

Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with F9 ligand in the alpha-site and the product L-Tryptophan in the beta-site.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.18 Å
  • R-Value Free: 0.161 
  • R-Value Work: 0.140 
  • R-Value Observed: 0.141 

Starting Model: experimental
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This is version 1.3 of the entry. See complete history


Literature

Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with F9 ligand and the product L-Tryptophan in the beta-site.

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

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Tryptophan synthase alpha chain268Salmonella enterica subsp. enterica serovar TyphimuriumMutation(s): 0 
Gene Names: trpA
EC: 4.2.1.20
UniProt
Find proteins for P00929 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore P00929 
Go to UniProtKB:  P00929
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00929
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Tryptophan synthase beta chain397Salmonella enterica subsp. enterica serovar TyphimuriumMutation(s): 0 
Gene Names: trpB
EC: 4.2.1.20
UniProt
Find proteins for P0A2K1 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore P0A2K1 
Go to UniProtKB:  P0A2K1
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A2K1
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
F9F
Query on F9F

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

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E [auth B]PYRIDOXAL-5'-PHOSPHATE
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
TRP
Query on TRP

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F [auth B]TRYPTOPHAN
C11 H12 N2 O2
QIVBCDIJIAJPQS-VIFPVBQESA-N
BCN
Query on BCN

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G [auth B]BICINE
C6 H13 N O4
FSVCELGFZIQNCK-UHFFFAOYSA-N
CS
Query on CS

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D [auth A],
H [auth B],
I [auth B]
CESIUM ION
Cs
NCMHKCKGHRPLCM-UHFFFAOYSA-N
EDO
Query on EDO

Download Ideal Coordinates CCD File 
J [auth B]1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.18 Å
  • R-Value Free: 0.161 
  • R-Value Work: 0.140 
  • R-Value Observed: 0.141 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 182.553α = 90
b = 59.3β = 94.82
c = 67.368γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
DMphasing
PDB_EXTRACTdata extraction

Structure Validation

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Ligand Structure Quality Assessment 


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  (Full details and data files)

  • Version 1.0: 2016-07-13
    Type: Initial release
  • Version 1.1: 2017-09-27
    Changes: Author supporting evidence, Derived calculations, Refinement description
  • Version 1.2: 2019-12-25
    Changes: Author supporting evidence
  • Version 1.3: 2023-09-27
    Changes: Data collection, Database references, Derived calculations, Refinement description