7MP4

Crystal structure of Epiphyas postvittana antennal carboxylesterase 24

• PDB DOI: https://doi.org/10.2210/pdb7MP4/pdb

• Classification: HYDROLASE
• Organism(s): Epiphyas postvittana
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2021-05-04 Released: 2022-05-11 
• Deposition Author(s): Hamiaux, C., Carraher, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.43 Å
• R-Value Free: 0.215 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 

Literature

Structure of an antennally-expressed carboxylesterase suggests lepidopteran odorant degrading enzymes are broadly tuned

Corcoran, J.A., Hamiaux, C., Faraone, N., Lofstedt, C., Carraher, C.

(2023) Curr Res Insect Sci 3: 100062

• DOI: https://doi.org/10.1016/j.cris.2023.100062

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.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Biological Assembly 5  

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

Biological assembly 5 assigned by authors.

Biological Assembly 6  

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

Biological assembly 6 assigned by authors.

Biological Assembly 7  

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

Biological assembly 7 assigned by authors.

Biological Assembly 8  

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

Biological assembly 8 assigned by authors.

Macromolecule Content

• Total Structure Weight: 500.6 kDa 
• Atom Count: 34,862 
• Modelled Residue Count: 4,272 
• Deposited Residue Count: 4,448 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carboxylesterase-24	A, B, C, D, E, F, G, H	556	Epiphyas postvittana	Mutation(s): 0  EC: 3.1.1.1
UniProt
Find proteins for A0A0K8TUN4 (Epiphyas postvittana) Explore A0A0K8TUN4  Go to UniProtKB:  A0A0K8TUN4

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	I, J, K, L, M, N, O, P	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42227JK GlyCosmos:  G42227JK GlyGen:  G42227JK

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.43 Å
• R-Value Free: 0.215 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.475	α = 78.31
b = 113.967	β = 70.18
c = 125.772	γ = 65.88

Software Package:

Software Name	Purpose
XDS	data reduction
Aimless	data scaling
MoRDa	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-05-11 
Deposition Author(s): Hamiaux, C., Carraher, C.

Revision History  

• Version 1.0: 2022-05-11
  Type: Initial release
  
• Version 1.1: 2022-12-14
  Changes: Source and taxonomy
• Version 1.2: 2023-06-21
  Changes: Database references
• Version 1.3: 2023-10-25
  Changes: Data collection, Refinement description