7LGX

The aminoacrylate form of mutant beta-K167T Salmonella typhimurium Tryptophan Synthase in complex with with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, benzimidazole (BZI) at the enzyme beta site and cesium ion at the metal coordination site at 1.80 Angstrom resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.203 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

The aminoacrylate form of mutant beta-K167T Salmonella typhimurium Tryptophan Synthase in complex with with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, benzimidazole (BZI) at the enzyme beta site and cesium ion at the metal coordination site at 1.80 Angstrom resolution.

Hilario, E.Dunn, M.F.Mueller, L.J.

To be published.

Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Tryptophan synthase alpha chain268Salmonella enterica subsp. enterica serovar Typhimurium str. LT2Mutation(s): 0 
Gene Names: trpASTM1727
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
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Tryptophan synthase beta chain397Salmonella enterica subsp. enterica serovar Typhimurium str. LT2Mutation(s): 1 
Gene Names: trpBSTM1726
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 8 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
F9F (Subject of Investigation/LOI)
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
0JO (Subject of Investigation/LOI)
Query on 0JO

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H [auth B]2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid
C11 H13 N2 O7 P
BHIGINKEEFZJGX-YIXHJXPBSA-N
CS (Subject of Investigation/LOI)
Query on CS

Download Ideal Coordinates CCD File 
P [auth B],
Q [auth B]
CESIUM ION
Cs
NCMHKCKGHRPLCM-UHFFFAOYSA-N
BZI (Subject of Investigation/LOI)
Query on BZI

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F [auth B],
G [auth B]
BENZIMIDAZOLE
C7 H6 N2
HYZJCKYKOHLVJF-UHFFFAOYSA-N
PEG
Query on PEG

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N [auth B]DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
DMS
Query on DMS

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J [auth B],
K [auth B]
DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
EDO
Query on EDO

Download Ideal Coordinates CCD File 
D [auth A],
I [auth B],
L [auth B],
M [auth B],
O [auth B]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
E [auth A],
R [auth B],
S [auth B],
T [auth B]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.203 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 183.332α = 90
b = 60.08β = 94.83
c = 67.273γ = 90
Software Package:
Software NamePurpose
xia2data reduction
SCALAdata scaling
MOLREPphasing
DMphasing
PHENIXrefinement
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 Human Genome Research Institute (NIH/NHGRI)United States2R01GM097569-06A1

Revision History  (Full details and data files)

  • Version 1.0: 2022-01-26
    Type: Initial release
  • Version 1.1: 2023-10-18
    Changes: Data collection, Refinement description