1P0I

Crystal structure of human butyryl cholinesterase

• PDB DOI: https://doi.org/10.2210/pdb1P0I/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): Yes 
• Membrane Protein: Yes  OPM


• Deposited: 2003-04-10 Released: 2003-08-05 
• Deposition Author(s): Nicolet, Y., Lockridge, O., Masson, P., Fontecilla-Camps, J.C., Nachon, F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.225 
• R-Value Work: 0.195 
• R-Value Observed: 0.195 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PQS (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 62.34 kDa 
• Atom Count: 4,848 
• Modelled Residue Count: 523 
• Deposited Residue Count: 529 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cholinesterase	A	529	Homo sapiens	Mutation(s): 4  Gene Names: BCHE OR CHE1 EC: 3.1.1.8 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P06276 (Homo sapiens) Explore P06276  Go to UniProtKB:  P06276
PHAROS:  P06276 GTEx:  ENSG00000114200

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	B, C	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21290RB GlyCosmos:  G21290RB GlyGen:  G21290RB

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	D [auth A], E [auth A], F [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
MES	L [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
SO4	G [auth A], H [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	M [auth A], N [auth A], O [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
BUA	K [auth A]	butanoic acid C4 H8 O2 FERIUCNNQQJTOY-UHFFFAOYSA-N
CL	I [auth A], J [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.225 
• R-Value Work: 0.195 
• R-Value Observed: 0.195 
• Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 154.66	α = 90
b = 154.66	β = 90
c = 127.89	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-08-05 
Deposition Author(s): Nicolet, Y., Lockridge, O., Masson, P., Fontecilla-Camps, J.C., Nachon, F.

Revision History  

• Version 1.0: 2003-08-05
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2021-10-27
  Changes: Advisory, Database references, Derived calculations, Structure summary
• Version 2.2: 2023-08-16
  Changes: Data collection, Refinement description