6EZ2

Human butyrylcholinesterase carbamylated.

• PDB DOI: https://doi.org/10.2210/pdb6EZ2/pdb

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


• Deposited: 2017-11-14 Released: 2018-12-12 
• Deposition Author(s): Brazzolotto, X., de la Mora, E., Dighe, S.N., Ross, B.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.223 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 

Starting Model: experimental

Literature

Rivastigmine and metabolite analogues with putative Alzheimer's disease-modifying properties in a Caenorhabditis elegans model.

Dighe, S.N., de la Mora, E., Chan, S., Kantham, S., McColl, M., Veliyath, S.K., Miles, J.A., Nessar, Z., McGeary, R.P., Silman, I., Parat, M.O., Weik, M., Brazzolotto, X., Ros, B.P.

(2019) Commun Chem 

• DOI: https://doi.org/10.1038/s42004-019-0133-4

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 122.64 kDa 
• Atom Count: 8,524 
• Modelled Residue Count: 1,052 
• Deposited Residue Count: 1,054 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cholinesterase	A, B	527	Homo sapiens	Mutation(s): 0  Gene Names: BCHE, CHE1 EC: 3.1.1.8
UniProt & NIH Common Fund Data Resources
Find proteins for P06276 (Homo sapiens) Explore P06276  Go to UniProtKB:  P06276
PHAROS:  P06276 GTEx:  ENSG00000114200
Glycosylation
Glycosylation Sites: 7		Go to GlyGen: P06276-1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], L [auth B], M [auth B], N [auth B], O [auth B], P [auth B], Q [auth B], R [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
GOL	J [auth A], U [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	S [auth B], T [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	K [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
BXT	A, B	L-PEPTIDE LINKING	C7 H14 N2 O4		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.223 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.01	α = 90
b = 79.94	β = 90
c = 231.49	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-12-12 
Deposition Author(s): Brazzolotto, X., de la Mora, E., Dighe, S.N., Ross, B.P.

Revision History  

• Version 1.0: 2018-12-12
  Type: Initial release
  
• Version 1.1: 2019-05-29
  Changes: Advisory, Data collection, Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-03-08
  Changes: Advisory, Database references, Structure summary
• Version 2.2: 2024-02-07
  Changes: Data collection, Refinement description