7RB5

Room temperature structure of hAChE in complex with substrate analog 4K-TMA

PDB DOI: https://doi.org/10.2210/pdb7RB5/pdb

Classification: HYDROLASE
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2021-07-05 Released: 2021-09-22
Deposition Author(s): Kovalevsky, A., Gerlits, O., Radic, Z.
Funding Organization(s): National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.80 Å
R-Value Free: 0.233
R-Value Work: 0.195
R-Value Observed: 0.197

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

Room temperature crystallography of human acetylcholinesterase bound to a substrate analogue 4K-TMA: Towards a neutron structure

Gerlits, O., Blakeley, M.P., Keen, D.A., Radic, Z., Kovalevsky, A.

(2021) Curr Res Struct Biol 3: 206-215

DOI: https://doi.org/10.1016/j.crstbi.2021.08.003

Macromolecule Content

Total Structure Weight: 60.45 kDa
Atom Count: 4,254
Modelled Residue Count: 540
Deposited Residue Count: 550
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetylcholinesterase	A	550	Homo sapiens	Mutation(s): 0 Gene Names: ACHE EC: 3.1.1.7
UniProt & NIH Common Fund Data Resources
Find proteins for P22303 (Homo sapiens) Explore P22303 Go to UniProtKB: P22303
PHAROS: P22303 GTEx: ENSG00000087085
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P22303
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NWA (Subject of Investigation/LOI) Query on NWA 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]	4,4-DIHYDROXY-N,N,N-TRIMETHYLPENTAN-1-AMINIUM C₈ H₂₀ N O₂ WEYSSHXEYINXQE-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.80 Å
R-Value Free: 0.233
R-Value Work: 0.195
R-Value Observed: 0.197
Space Group: P 3₁ 1 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 125.583	α = 90
b = 125.583	β = 90
c = 131.024	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
CrysalisPro	data reduction
CrysalisPro	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2021-09-22

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)	United States	U01 NS083451

Revision History (Full details and data files)

Version 1.0: 2021-09-22
Type: Initial release
Version 1.1: 2023-10-18
Changes: Data collection, Refinement description
Version 1.2: 2024-11-13
Changes: Structure summary

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.