7KBN

1.60 Angstrom resolution crystal structure of the beta-Q114A mutant of Tryptophan Synthase in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, cesium ion at the metal coordination site, and 2-aminophenol quinonoid at the enzyme beta site

PDB DOI: https://doi.org/10.2210/pdb7KBN/pdb

Classification: LYASE/LYASE INHIBITOR
Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2020-10-02 Released: 2021-10-13
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: 0.196
R-Value Work: 0.171
R-Value Observed: 0.172

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

1.60 Angstrom resolution crystal structure of the beta-Q114A mutant of Tryptophan Synthase in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, cesium ion at the metal coordination site, and 2-aminophenol quinonoid at the enzyme beta site.

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

To be published.

Macromolecule Content

Total Structure Weight: 75.21 kDa
Atom Count: 6,031
Modelled Residue Count: 663
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

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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 str. LT2	Mutation(s): 1 Gene Names: trpB, STM1726 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 8 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
1D0 (Subject of Investigation/LOI) Query on 1D0 Download Ideal Coordinates CCD File SDF format, chain N [auth B] MOL2 format, chain N [auth B]	N [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 N [auth B] Interactions & Density Focus chain N [auth B]
F9F (Subject of Investigation/LOI) Query on F9F Download Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A]	E [auth A]	2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE C₉ H₁₁ F₃ N O₇ P S JDDKDMFCTOZVCJ-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
CS (Subject of Investigation/LOI) Query on CS Download Ideal Coordinates CCD File SDF format, chain PA [auth B] SDF format, chain QA [auth B] MOL2 format, chain PA [auth B] MOL2 format, chain QA [auth B]	PA [auth B], QA [auth B]	CESIUM ION Cs NCMHKCKGHRPLCM-UHFFFAOYSA-N		Interactions Focus chain PA [auth B] Focus chain QA [auth B] Interactions & Density Focus chain PA [auth B] Focus chain QA [auth B]
2AF Query on 2AF Download Ideal Coordinates CCD File SDF format, chain OA [auth B] MOL2 format, chain OA [auth B]	OA [auth B]	2-AMINOPHENOL C₆ H₇ N O CDAWCLOXVUBKRW-UHFFFAOYSA-N		Interactions Focus chain OA [auth B] Interactions & Density Focus chain OA [auth B]
PEG Query on PEG Download Ideal Coordinates CCD File SDF format, chain O [auth B] SDF format, chain P [auth B] SDF format, chain Q [auth B] MOL2 format, chain O [auth B] MOL2 format, chain P [auth B] MOL2 format, chain Q [auth B]	O [auth B], P [auth B], Q [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth B] Interactions & Density Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth B]
DMS Query on DMS Download Ideal Coordinates CCD File SDF format, chain AA [auth B] SDF format, chain BA [auth B] SDF format, chain C [auth A] SDF format, chain CA [auth B] SDF format, chain D [auth A] SDF format, chain DA [auth B] SDF format, chain EA [auth B] SDF format, chain FA [auth B] SDF format, chain GA [auth B] SDF format, chain HA [auth B] SDF format, chain I [auth A] SDF format, chain IA [auth B] SDF format, chain J [auth A] SDF format, chain JA [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 C [auth A] MOL2 format, chain CA [auth B] MOL2 format, chain D [auth A] MOL2 format, chain DA [auth B] MOL2 format, chain EA [auth B] MOL2 format, chain FA [auth B] MOL2 format, chain GA [auth B] MOL2 format, chain HA [auth B] MOL2 format, chain I [auth A] MOL2 format, chain IA [auth B] MOL2 format, chain J [auth A] MOL2 format, chain JA [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] C [auth A] CA [auth B] D [auth A] AA [auth B], BA [auth B], C [auth A], CA [auth B], D [auth A], DA [auth B], EA [auth B], FA [auth B], GA [auth B], HA [auth B], I [auth A], IA [auth B], J [auth A], JA [auth B], V [auth B], W [auth B], X [auth B], Y [auth B], Z [auth B]	DIMETHYL SULFOXIDE C₂ H₆ O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N		Interactions Focus chain AA [auth B] Focus chain BA [auth B] Focus chain C [auth A] Focus chain CA [auth B] Focus chain D [auth A] Focus chain DA [auth B] Focus chain EA [auth B] Focus chain FA [auth B] Focus chain GA [auth B] Focus chain HA [auth B] Focus chain I [auth A] Focus chain IA [auth B] Focus chain J [auth A] Focus chain JA [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 C [auth A] Focus chain CA [auth B] Focus chain D [auth A] Focus chain DA [auth B] Focus chain EA [auth B] Focus chain FA [auth B] Focus chain GA [auth B] Focus chain HA [auth B] Focus chain I [auth A] Focus chain IA [auth B] Focus chain J [auth A] Focus chain JA [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]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain R [auth B] SDF format, chain S [auth B] SDF format, chain T [auth B] SDF format, chain U [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain R [auth B] MOL2 format, chain S [auth B] MOL2 format, chain T [auth B] MOL2 format, chain U [auth B]	F [auth A] G [auth A] H [auth A] R [auth B] S [auth B] F [auth A], G [auth A], H [auth A], R [auth B], S [auth B], T [auth B], U [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain R [auth B] Focus chain S [auth B] Focus chain T [auth B] Focus chain U [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain R [auth B] Focus chain S [auth B] Focus chain T [auth B] Focus chain U [auth B]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain K [auth A] SDF format, chain KA [auth B] SDF format, chain L [auth A] SDF format, chain LA [auth B] SDF format, chain M [auth A] SDF format, chain MA [auth B] SDF format, chain NA [auth B] MOL2 format, chain K [auth A] MOL2 format, chain KA [auth B] MOL2 format, chain L [auth A] MOL2 format, chain LA [auth B] MOL2 format, chain M [auth A] MOL2 format, chain MA [auth B] MOL2 format, chain NA [auth B]	K [auth A] KA [auth B] L [auth A] LA [auth B] M [auth A] K [auth A], KA [auth B], L [auth A], LA [auth B], M [auth A], MA [auth B], NA [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain K [auth A] Focus chain KA [auth B] Focus chain L [auth A] Focus chain LA [auth B] Focus chain M [auth A] Focus chain MA [auth B] Focus chain NA [auth B] Interactions & Density Focus chain K [auth A] Focus chain KA [auth B] Focus chain L [auth A] Focus chain LA [auth B] Focus chain M [auth A] Focus chain MA [auth B] Focus chain NA [auth B]