8D8X | pdb_00008d8x

Crystal structure of ChoE in complex with acetate and thiocholine (crystal form 2)

PDB DOI: https://doi.org/10.2210/pdb8D8X/pdb

Classification: HYDROLASE
Organism(s): Pseudomonas aeruginosa PAO1
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2022-06-09 Released: 2023-06-14
Deposition Author(s): Pham, V.D., Shi, R.
Funding Organization(s): Fonds de Recherche du Quebec - Nature et Technologies (FRQNT)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.36 Å
R-Value Free:
0.179 (Depositor), 0.179 (DCC)
R-Value Work:
0.159 (Depositor), 0.159 (DCC)
R-Value Observed:
0.160 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Crystal structures of bacterial acetylcholinesterase ChoE provide insights into the plasticity of catalytic Ser in regulating the active site geometry and the functional state of the SGNH hydrolases

Pham, V.D., Couture, M., Lortie, L.-A., Picard, M.-E., Charette, S., Levesque, R., Shi, R.

To be published.

Macromolecule Content

Total Structure Weight: 32.25 kDa
Atom Count: 2,748
Modeled Residue Count: 287
Deposited Residue Count: 287
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ChoE	A	287	Pseudomonas aeruginosa PAO1	Mutation(s): 0 Gene Names: choE, PA4921
UniProt
Find proteins for Q9HUP2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HUP2 Go to UniProtKB: Q9HUP2
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9HUP2
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
P6G Query on P6G Download:Ideal Coordinates CCD File SDF format, chain F [auth A] MOL2 format, chain F [auth A] mmCIF format, chain F [auth A]	F [auth A]	HEXAETHYLENE GLYCOL C₁₂ H₂₆ O₇ IIRDTKBZINWQAW-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Interactions & Density Focus chain F [auth A]
ETM Query on ETM Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain G [auth A] MOL2 format, chain C [auth A] MOL2 format, chain G [auth A] mmCIF format, chain C [auth A] mmCIF format, chain G [auth A]	C [auth A], G [auth A]	2-(TRIMETHYLAMMONIUM)ETHYL THIOL C₅ H₁₄ N S VFUGTBZQGUVGEX-UHFFFAOYSA-O		Interactions Focus chain C [auth A] Focus chain G [auth A] Interactions & Density Focus chain C [auth A] Focus chain G [auth A]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]
ACT (Subject of Investigation/LOI) Query on ACT Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]