7LUT

The internal aldimine form of the wild-type Salmonella typhimurium Tryptophan Synthase in complex with cesium ion at the metal coordination site and the product L-tryptophan at the enzyme beta-site at 1.60 Angstrom resolution

PDB DOI: https://doi.org/10.2210/pdb7LUT/pdb

Classification: LYASE
Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2021-02-23 Released: 2022-03-02
Deposition Author(s): Hilario, E., Dunn, M.F., Mueller, L.J.
Funding Organization(s): National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.60 Å
R-Value Free: 0.217
R-Value Work: 0.187
R-Value Observed: 0.189

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

The internal aldimine form of the wild-type Salmonella typhimurium Tryptophan Synthase in complex with cesium ion at the metal coordination site and the product L-tryptophan at the enzyme beta-site at 1.60 Angstrom resolution.

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

To be published.

Macromolecule Content

Total Structure Weight: 73.96 kDa
Atom Count: 5,819
Modelled Residue Count: 650
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 str. LT2	Mutation(s): 0 Gene Names: trpA, STM1727 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

Find similar proteins by:

(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 str. LT2	Mutation(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 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
PLP (Subject of Investigation/LOI) Query on PLP Download Ideal Coordinates CCD File SDF format, chain H [auth B] MOL2 format, chain H [auth B] mmCIF format, chain H [auth B]	H [auth B]	PYRIDOXAL-5'-PHOSPHATE C₈ H₁₀ N O₆ P NGVDGCNFYWLIFO-UHFFFAOYSA-N		Interactions Focus chain H [auth B] Interactions & Density Focus chain H [auth B]
TRP (Subject of Investigation/LOI) Query on TRP Download Ideal Coordinates CCD File SDF format, chain AA [auth B] MOL2 format, chain AA [auth B] mmCIF format, chain AA [auth B]	AA [auth B]	TRYPTOPHAN C₁₁ H₁₂ N₂ O₂ QIVBCDIJIAJPQS-VIFPVBQESA-N		Interactions Focus chain AA [auth B] Interactions & Density Focus chain AA [auth B]
CS (Subject of Investigation/LOI) Query on CS Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain O [auth B] SDF format, chain P [auth B] SDF format, chain T [auth B] SDF format, chain U [auth B] SDF format, chain V [auth B] MOL2 format, chain F [auth A] MOL2 format, chain O [auth B] MOL2 format, chain P [auth B] MOL2 format, chain T [auth B] MOL2 format, chain U [auth B] MOL2 format, chain V [auth B] mmCIF format, chain F [auth A] mmCIF format, chain O [auth B] mmCIF format, chain P [auth B] mmCIF format, chain T [auth B] mmCIF format, chain U [auth B] mmCIF format, chain V [auth B]	F [auth A] O [auth B] P [auth B] T [auth B] U [auth B] F [auth A], O [auth B], P [auth B], T [auth B], U [auth B], V [auth B]	CESIUM ION Cs NCMHKCKGHRPLCM-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain O [auth B] Focus chain P [auth B] Focus chain T [auth B] Focus chain U [auth B] Focus chain V [auth B] Interactions & Density Focus chain F [auth A] Focus chain O [auth B] Focus chain P [auth B] Focus chain T [auth B] Focus chain U [auth B] Focus chain V [auth B]
PEG Query on PEG Download Ideal Coordinates CCD File SDF format, chain S [auth B] MOL2 format, chain S [auth B] mmCIF format, chain S [auth B]	S [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain S [auth B] Interactions & Density Focus chain S [auth B]
DMS Query on DMS Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain J [auth B] SDF format, chain K [auth B] SDF format, chain L [auth B] SDF format, chain M [auth B] SDF format, chain N [auth B] SDF format, chain I [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain J [auth B] MOL2 format, chain K [auth B] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] MOL2 format, chain I [auth B] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain J [auth B] mmCIF format, chain K [auth B] mmCIF format, chain L [auth B] mmCIF format, chain M [auth B] mmCIF format, chain N [auth B] mmCIF format, chain I [auth B]	C [auth A] D [auth A] I [auth B] J [auth B] K [auth B] C [auth A], D [auth A], I [auth B], J [auth B], K [auth B], L [auth B], M [auth B], N [auth B]	DIMETHYL SULFOXIDE C₂ H₆ O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain I [auth B] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B] Focus chain N [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain I [auth B] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B] Focus chain N [auth B]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain Q [auth B] SDF format, chain R [auth B] MOL2 format, chain E [auth A] MOL2 format, chain Q [auth B] MOL2 format, chain R [auth B] mmCIF format, chain E [auth A] mmCIF format, chain Q [auth B] mmCIF format, chain R [auth B]	E [auth A], Q [auth B], R [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain Q [auth B] Focus chain R [auth B] Interactions & Density Focus chain E [auth A] Focus chain Q [auth B] Focus chain R [auth B]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain G [auth A] 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 G [auth A] MOL2 format, chain W [auth B] MOL2 format, chain X [auth B] MOL2 format, chain Y [auth B] MOL2 format, chain Z [auth B] mmCIF format, chain G [auth A] mmCIF format, chain W [auth B] mmCIF format, chain X [auth B] mmCIF format, chain Y [auth B] mmCIF format, chain Z [auth B]	G [auth A], W [auth B], X [auth B], Y [auth B], Z [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain G [auth A] Focus chain W [auth B] Focus chain X [auth B] Focus chain Y [auth B] Focus chain Z [auth B] Interactions & Density Focus chain G [auth A] Focus chain W [auth B] Focus chain X [auth B] Focus chain Y [auth B] Focus chain Z [auth B]