6DUC

Crystal structure of mutant beta-K167T tryptophan synthase in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, cesium ion at the metal coordination site, and 2-aminophenol quinonoid (1D0) at the beta-site

PDB DOI: https://doi.org/10.2210/pdb6DUC/pdb

Classification: LYASE/LYASE INHIBITOR
Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2018-06-20 Released: 2019-06-26
Deposition Author(s): Hilario, E., Dunn, M.F., Mueller, L.J., Fan, L.
Funding Organization(s): National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.79 Å
R-Value Free: 0.232
R-Value Work: 0.185
R-Value Observed: 0.188

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.2 of the entry. See complete history.

Literature

Tryptophan synthase Q114A mutant in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, aminoacrylate (P1T) at the beta site, and cesium ion at the metal coordination site.

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

To be published.

Macromolecule Content

Total Structure Weight: 73.92 kDa
Atom Count: 5,659
Modelled Residue Count: 660
Deposited Residue Count: 665
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tryptophan synthase alpha chain	A	268	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0 Gene Names: trpA, DD95_04145 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 Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00929
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Tryptophan synthase beta chain	B	397	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 1 Gene Names: trpB, DD95_04150 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 Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0A2K1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 7 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
1D0 Query on 1D0 Download Ideal Coordinates CCD File SDF format, chain H [auth B] MOL2 format, chain H [auth B]	H [auth B]	(2E)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]-3-[(2-hydroxyphenyl)amino]propanoic acid C₁₇ H₂₀ N₃ O₈ P MKNJFLJOSVXALN-XMHGGMMESA-N		Interactions Focus chain H [auth B] Interactions & Density Focus chain H [auth B]
F9F Query on F9F Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A]	C [auth A]	2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE C₉ H₁₁ F₃ N O₇ P S JDDKDMFCTOZVCJ-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
CS Query on CS Download Ideal Coordinates CCD File SDF format, chain Q [auth B] SDF format, chain R [auth B] SDF format, chain S [auth B] MOL2 format, chain Q [auth B] MOL2 format, chain R [auth B] MOL2 format, chain S [auth B]	Q [auth B], R [auth B], S [auth B]	CESIUM ION Cs NCMHKCKGHRPLCM-UHFFFAOYSA-N		Interactions Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B] Interactions & Density Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B]
2AP Query on 2AP Download Ideal Coordinates CCD File SDF format, chain J [auth B] MOL2 format, chain J [auth B]	J [auth B]	2-AMINOPYRIDINE C₅ H₇ N₂ ICSNLGPSRYBMBD-UHFFFAOYSA-O		Interactions Focus chain J [auth B] Interactions & Density Focus chain J [auth B]
DMS Query on DMS Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain I [auth B] SDF format, chain K [auth B] SDF format, chain L [auth B] SDF format, chain M [auth B] SDF format, chain P [auth B] MOL2 format, chain D [auth A] MOL2 format, chain I [auth B] MOL2 format, chain K [auth B] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] MOL2 format, chain P [auth B]	D [auth A] I [auth B] K [auth B] L [auth B] M [auth B] D [auth A], I [auth B], K [auth B], L [auth B], M [auth B], P [auth B]	DIMETHYL SULFOXIDE C₂ H₆ O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain I [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B] Focus chain P [auth B] Interactions & Density Focus chain D [auth A] Focus chain I [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B] Focus chain P [auth B]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain N [auth B] SDF format, chain O [auth B] MOL2 format, chain E [auth A] MOL2 format, chain N [auth B] MOL2 format, chain O [auth B]	E [auth A], N [auth B], O [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain N [auth B] Focus chain O [auth B] Interactions & Density Focus chain E [auth A] Focus chain N [auth B] Focus chain O [auth B]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain AA [auth B] SDF format, chain BA [auth B] SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain T [auth B] SDF format, chain U [auth B] SDF format, chain V [auth B] SDF format, chain W [auth B] SDF format, chain X [auth B] SDF format, chain Y [auth B] SDF format, chain Z [auth B] MOL2 format, chain AA [auth B] MOL2 format, chain BA [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain T [auth B] MOL2 format, chain U [auth B] MOL2 format, chain V [auth B] MOL2 format, chain W [auth B] MOL2 format, chain X [auth B] MOL2 format, chain Y [auth B] MOL2 format, chain Z [auth B]	AA [auth B] BA [auth B] F [auth A] G [auth A] T [auth B] AA [auth B], BA [auth B], F [auth A], G [auth A], T [auth B], U [auth B], V [auth B], W [auth B], X [auth B], Y [auth B], Z [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain AA [auth B] Focus chain BA [auth B] Focus chain F [auth A] Focus chain G [auth A] Focus chain T [auth B] Focus chain U [auth B] Focus chain V [auth B] Focus chain W [auth B] Focus chain X [auth B] Focus chain Y [auth B] Focus chain Z [auth B] Interactions & Density Focus chain AA [auth B] Focus chain BA [auth B] Focus chain F [auth A] Focus chain G [auth A] Focus chain T [auth B] Focus chain U [auth B] Focus chain V [auth B] Focus chain W [auth B] Focus chain X [auth B] Focus chain Y [auth B] Focus chain Z [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.79 Å
R-Value Free: 0.232
R-Value Work: 0.185
R-Value Observed: 0.188
Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 184.261	α = 90
b = 60.044	β = 94.65
c = 67.298	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
DM	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

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Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2019-06-26

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)	United States	2R01GM097569-06A1

Revision History (Full details and data files)

Version 1.0: 2019-06-26
Type: Initial release
Version 1.1: 2019-12-18
Changes: Author supporting evidence
Version 1.2: 2023-10-11
Changes: Data collection, Database references, Derived calculations, Refinement description

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Help and Resources

6DUC

Crystal structure of mutant beta-K167T tryptophan synthase in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, cesium ion at the metal coordination site, and 2-aminophenol quinonoid (1D0) at the beta-site

Tryptophan synthase Q114A mutant in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, aminoacrylate (P1T) at the beta site, and cesium ion at the metal coordination site.

Entity ID: 1

UniProt

Entity Groups

Sequence Annotations

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Entity ID: 2